diff --git a/Dockerfile b/Dockerfile
index 009d100149..3f784f0a1a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,7 +16,7 @@ RUN echo 'export LC_ALL="en_US.UTF-8" LANG="en_US.UTF-8" LANGUAGE="en_US.UTF-8"'
 
 WORKDIR /srv/zulip
 
-CMD ["/usr/bin/python /srv/zulip/tools/provision.py","--docker"]
+CMD ["/srv/zulip/tools/provision.py", "--docker"]
 CMD ["source /srv/zulip-venv/bin/activate"]
 CMD ["./srv/zulip/tools/start-dockers"]
 
diff --git a/Vagrantfile b/Vagrantfile
index 66f8fc89b6..a37b658b29 100644
--- a/Vagrantfile
+++ b/Vagrantfile
@@ -86,7 +86,7 @@ if [ -d "/sys/fs/selinux" ]; then
   sudo mount -o remount,ro /sys/fs/selinux
 fi
 ln -nsf /srv/zulip ~/zulip
-/usr/bin/python /srv/zulip/tools/provision.py | sudo tee -a /var/log/zulip_provision.log
+/srv/zulip/tools/provision.py | sudo tee -a /var/log/zulip_provision.log
 SCRIPT
 
   config.vm.provision "shell",
diff --git a/analytics/management/commands/analyze_user_activity.py b/analytics/management/commands/analyze_user_activity.py
index 316d96a8cf..a3436ede8c 100644
--- a/analytics/management/commands/analyze_user_activity.py
+++ b/analytics/management/commands/analyze_user_activity.py
@@ -47,7 +47,7 @@ It will correctly not count server-initiated reloads in the activity statistics.
 
 The duration flag can be used to control how many days to show usage duration for
 
-Usage: python manage.py analyze_user_activity [--realm=zulip.com] [--date=2013-09-10] [--duration=1]
+Usage: ./manage.py analyze_user_activity [--realm=zulip.com] [--date=2013-09-10] [--duration=1]
 
 By default, if no date is selected 2013-09-10 is used. If no realm is provided, information
 is shown for all realms"""
diff --git a/analytics/management/commands/client_activity.py b/analytics/management/commands/client_activity.py
index 627387ff9e..85dc38880c 100644
--- a/analytics/management/commands/client_activity.py
+++ b/analytics/management/commands/client_activity.py
@@ -17,9 +17,9 @@ class Command(BaseCommand):
 
 Usage examples:
 
-python manage.py client_activity
-python manage.py client_activity zulip.com
-python manage.py client_activity jesstess@zulip.com"""
+./manage.py client_activity
+./manage.py client_activity zulip.com
+./manage.py client_activity jesstess@zulip.com"""
 
     def add_arguments(self, parser):
         # type: (ArgumentParser) -> None
diff --git a/bots/irc-mirror.py b/bots/irc-mirror.py
index 8f058b0777..f9af690a58 100755
--- a/bots/irc-mirror.py
+++ b/bots/irc-mirror.py
@@ -104,11 +104,11 @@ class IRCBot(irc.bot.SingleServerIRCBot):
                 return
             self.dcc_connect(address, port)
 
-usage = """python irc-mirror.py --server=IRC_SERVER --channel=<CHANNEL> --nick-prefix=<NICK> [optional args]
+usage = """./irc-mirror.py --server=IRC_SERVER --channel=<CHANNEL> --nick-prefix=<NICK> [optional args]
 
 Example:
 
-python irc-mirror.py --irc-server=127.0.0.1 --channel='#test' --nick-prefix=username
+./irc-mirror.py --irc-server=127.0.0.1 --channel='#test' --nick-prefix=username
   --site=https://zulip.example.com --user=irc-bot@example.com
   --api-key=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
 
diff --git a/bots/zmirror_private.conf.template b/bots/zmirror_private.conf.template
index dc31a0f422..f01b749680 100644
--- a/bots/zmirror_private.conf.template
+++ b/bots/zmirror_private.conf.template
@@ -1,5 +1,5 @@
 [program:zmirror-USERNAME]
-command=python /home/zulip/zulip/bots/zephyr_mirror_backend.py --root-path=/home/zulip/zulip --user=USERNAME --log-path=/home/zulip/logs/mirror-log-%(program_name)s --use-sessions --session-path=/home/zulip/zephyr_sessions/%(program_name)s --api-key-file=/home/zulip/api-keys/%(program_name)s --ignore-expired-tickets --nagios-path=/home/zulip/mirror_status/%(program_name)s --nagios-class=zulip-mirror-nagios
+command=/home/zulip/zulip/bots/zephyr_mirror_backend.py --root-path=/home/zulip/zulip --user=USERNAME --log-path=/home/zulip/logs/mirror-log-%(program_name)s --use-sessions --session-path=/home/zulip/zephyr_sessions/%(program_name)s --api-key-file=/home/zulip/api-keys/%(program_name)s --ignore-expired-tickets --nagios-path=/home/zulip/mirror_status/%(program_name)s --nagios-class=zulip-mirror-nagios
 priority=200                   ; the relative start priority (default 999)
 autostart=true                 ; start at supervisord start (default: true)
 autorestart=true               ; whether/when to restart (default: unexpected)
diff --git a/contrib_bots/lib/readme.md b/contrib_bots/lib/readme.md
index 1840f7725b..5cf1e023cd 100644
--- a/contrib_bots/lib/readme.md
+++ b/contrib_bots/lib/readme.md
@@ -30,7 +30,7 @@ Here is an example of running the "follow-up" bot from
 inside a Zulip repo:
 
     cd ~/zulip/contrib_bots
-    python run.py lib/followup.py --config-file ~/.zuliprc-prod
+    ./run.py lib/followup.py --config-file ~/.zuliprc-prod
 
 Once the bot code starts running, you will see a
 message explaining how to use the bot, as well as
diff --git a/contrib_bots/run.py b/contrib_bots/run.py
old mode 100644
new mode 100755
index a8a649ba78..214c2eb322
--- a/contrib_bots/run.py
+++ b/contrib_bots/run.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 from __future__ import print_function
 
 import importlib
@@ -71,9 +72,9 @@ def run_message_handler_for_bot(lib_module, quiet, config_file):
 
 def run():
     usage = '''
-        python run.py <lib file>
+        ./run.py <lib file>
 
-        Example: python run.py lib/followup.py
+        Example: ./run.py lib/followup.py
 
         (This program loads bot-related code from the
         library code and then runs a message loop,
diff --git a/docs/code-style.md b/docs/code-style.md
index 479bf6e312..7bd1bc3af1 100644
--- a/docs/code-style.md
+++ b/docs/code-style.md
@@ -320,10 +320,13 @@ styles (separate lines for each selector):
 
 -   Scripts should start with `#!/usr/bin/env python` and not
     `#/usr/bin/python` (the right Python may not be installed in
-    `/usr/bin`) or `#/usr/bin/env/python2.7` (bad for Python 3
+    `/usr/bin`) or `#/usr/bin/env python2.7` (bad for Python 3
     compatibility).  Don't put a shebang line on a Python file unless
     it's meaningful to run it as a script. (Some libraries can also be
     run as scripts, e.g. to run a test suite.)
+-   Scripts should be executed directly (`./script.py`), so that the
+    interpreter is implicitly found from the shebang line, rather than
+    explicitly overridden (`python script.py`).
 -   The first import in a file should be
     `from __future__ import absolute_import`, per [PEP
     328](http://docs.python.org/2/whatsnew/2.5.html#pep-328-absolute-and-relative-imports)
diff --git a/docs/dev-env-first-time-contributors.md b/docs/dev-env-first-time-contributors.md
index ce467bd5f9..3f590462be 100644
--- a/docs/dev-env-first-time-contributors.md
+++ b/docs/dev-env-first-time-contributors.md
@@ -417,7 +417,7 @@ is likely because we've recently merged changes to the development
 environment provisioning process that you need to apply to your
 development environmnet.  To update your environment, you'll need to
 re-provision your vagrant machine using `vagrant provision`
-(or just `python tools/provision.py` from `/srv/zulip` inside the Vagrant
+(or just `tools/provision.py` from `/srv/zulip` inside the Vagrant
 guest); this should be pretty fast and we're working to make it faster.
 
 See also the documentation on the [testing
diff --git a/docs/install-generic-unix-dev.md b/docs/install-generic-unix-dev.md
index 1e7cfda601..a29d2baeab 100644
--- a/docs/install-generic-unix-dev.md
+++ b/docs/install-generic-unix-dev.md
@@ -283,7 +283,7 @@ Now run these commands:
 ```
 ./tools/install-mypy
 ./tools/setup/download-zxcvbn
-python ./tools/setup/emoji_dump/build_emoji
+./tools/setup/emoji_dump/build_emoji
 ./scripts/setup/generate_secrets.py --development
 if [ $(uname) = "OpenBSD" ]; then sudo cp ./puppet/zulip/files/postgresql/zulip_english.stop /var/postgresql/tsearch_data/; else sudo cp ./puppet/zulip/files/postgresql/zulip_english.stop /usr/share/postgresql/9.*/tsearch_data/; fi
 ./scripts/setup/configure-rabbitmq
diff --git a/docs/prod-customize.md b/docs/prod-customize.md
index 1f045bd6ac..9b9ca73366 100644
--- a/docs/prod-customize.md
+++ b/docs/prod-customize.md
@@ -65,7 +65,7 @@ themselves with joining streams on their own. You can use the
 command to set default streams for users within a realm:
 
 ```
-python manage.py set_default_streams --domain=example.com --streams=foo,bar,...
+./manage.py set_default_streams --domain=example.com --streams=foo,bar,...
 ```
 
 ## Notification settings
diff --git a/docs/translating.md b/docs/translating.md
index c8f31f791d..1e9af5523b 100644
--- a/docs/translating.md
+++ b/docs/translating.md
@@ -54,7 +54,7 @@ The end-to-end process to get the translations working is as follows:
    [frontend](#frontend-translations) translations for details on
    this).
 
-2. Create translation [resource][] files using the `python manage
+2. Create translation [resource][] files using the `./manage.py
    makemessages` command. This command will create, for each language,
    a resource file called `translations.json` for the frontend strings
    and `django.po` for the backend strings.
@@ -79,7 +79,7 @@ The end-to-end process to get the translations working is as follows:
    download the resource files from Transifex and replace your local
    resource files with them.
 
-6. One runs `python manage.py compilemessages` to compile the
+6. One runs `./manage.py compilemessages` to compile the
    translation strings so that they are will be used in the Zulip
    development environment.  This is run automatically during Zulip
    development environment provisioning.
@@ -223,7 +223,7 @@ the `count` in the context.
 ## Testing Translations
 
 First of all make sure that you have compiled the translation strings
-using `python manage.py compilemessages`.
+using `./manage.py compilemessages`.
 
 Django figures out the effective language by going through the
 following steps:
diff --git a/puppet/zulip/files/cron.d/email-mirror b/puppet/zulip/files/cron.d/email-mirror
index e1e318babd..b28aacff0a 100644
--- a/puppet/zulip/files/cron.d/email-mirror
+++ b/puppet/zulip/files/cron.d/email-mirror
@@ -1,3 +1,3 @@
 MAILTO=root
 
-* * * * *   zulip cd /home/zulip/deployments/current && python manage.py email_mirror
+* * * * *   zulip cd /home/zulip/deployments/current && ./manage.py email_mirror
diff --git a/puppet/zulip/files/cron.d/send-digest-emails b/puppet/zulip/files/cron.d/send-digest-emails
index 4e31edc800..a3cfe373d1 100644
--- a/puppet/zulip/files/cron.d/send-digest-emails
+++ b/puppet/zulip/files/cron.d/send-digest-emails
@@ -1,4 +1,4 @@
 MAILTO=root
 
 # Send digest emails once a day. Time is in UTC.
-0 18 * * *   zulip cd /home/zulip/deployments/current && python manage.py enqueue_digest_emails
+0 18 * * *   zulip cd /home/zulip/deployments/current && ./manage.py enqueue_digest_emails
diff --git a/puppet/zulip/files/supervisor/conf.d/zulip.conf b/puppet/zulip/files/supervisor/conf.d/zulip.conf
index 82397f0d59..459bf63906 100644
--- a/puppet/zulip/files/supervisor/conf.d/zulip.conf
+++ b/puppet/zulip/files/supervisor/conf.d/zulip.conf
@@ -8,7 +8,7 @@
 ; variables can be expanded using this syntax: "%(ENV_HOME)s".
 
 [fcgi-program:zulip-django]
-command=python /home/zulip/deployments/current/manage.py runfcgi daemonize=False maxchildren=20 ; the program (relative uses PATH, can take args)
+command=/home/zulip/deployments/current/manage.py runfcgi daemonize=False maxchildren=20 ; the program (relative uses PATH, can take args)
 ;process_name=%(program_name)s ; process_name expr (default %(program_name)s)
 ;numprocs=1                    ; number of processes copies to start (def 1)
 ;directory=/tmp                ; directory to cwd to before exec (def no cwd)
@@ -43,7 +43,7 @@ socket_owner=zulip:zulip
 socket_mode=0700
 
 [program:zulip-tornado]
-command=env PYTHONUNBUFFERED=1 python /home/zulip/deployments/current/manage.py runtornado 127.0.0.1:9993
+command=env PYTHONUNBUFFERED=1 /home/zulip/deployments/current/manage.py runtornado 127.0.0.1:9993
 priority=200                   ; the relative start priority (default 999)
 autostart=true                 ; start at supervisord start (default: true)
 autorestart=true               ; whether/when to restart (default: unexpected)
@@ -57,7 +57,7 @@ stdout_logfile_backups=10     ; # of stdout logfile backups (default 10)
 directory=/home/zulip/deployments/current/
 
 [program:zulip-events-user-activity]
-command=python /home/zulip/deployments/current/manage.py process_queue --queue_name=user_activity
+command=/home/zulip/deployments/current/manage.py process_queue --queue_name=user_activity
 priority=300                   ; the relative start priority (default 999)
 autostart=true                 ; start at supervisord start (default: true)
 autorestart=true               ; whether/when to restart (default: unexpected)
@@ -71,7 +71,7 @@ stdout_logfile_backups=10     ; # of stdout logfile backups (default 10)
 directory=/home/zulip/deployments/current/
 
 [program:zulip-events-user-activity-interval]
-command=python /home/zulip/deployments/current/manage.py process_queue --queue_name=user_activity_interval
+command=/home/zulip/deployments/current/manage.py process_queue --queue_name=user_activity_interval
 priority=300                   ; the relative start priority (default 999)
 autostart=true                 ; start at supervisord start (default: true)
 autorestart=true               ; whether/when to restart (default: unexpected)
@@ -85,7 +85,7 @@ stdout_logfile_backups=10     ; # of stdout logfile backups (default 10)
 directory=/home/zulip/deployments/current/
 
 [program:zulip-events-user-presence]
-command=python /home/zulip/deployments/current/manage.py process_queue --queue_name=user_presence
+command=/home/zulip/deployments/current/manage.py process_queue --queue_name=user_presence
 priority=300                   ; the relative start priority (default 999)
 autostart=true                 ; start at supervisord start (default: true)
 autorestart=true               ; whether/when to restart (default: unexpected)
@@ -99,7 +99,7 @@ stdout_logfile_backups=10     ; # of stdout logfile backups (default 10)
 directory=/home/zulip/deployments/current/
 
 [program:zulip-events-signups]
-command=python /home/zulip/deployments/current/manage.py process_queue --queue_name=signups
+command=/home/zulip/deployments/current/manage.py process_queue --queue_name=signups
 priority=400                   ; the relative start priority (default 999)
 autostart=true                 ; start at supervisord start (default: true)
 autorestart=true               ; whether/when to restart (default: unexpected)
@@ -113,7 +113,7 @@ stdout_logfile_backups=10     ; # of stdout logfile backups (default 10)
 directory=/home/zulip/deployments/current/
 
 [program:zulip-events-confirmation-emails]
-command=python /home/zulip/deployments/current/manage.py process_queue --queue_name=invites
+command=/home/zulip/deployments/current/manage.py process_queue --queue_name=invites
 priority=500                   ; the relative start priority (default 999)
 autostart=true                 ; start at supervisord start (default: true)
 autorestart=true               ; whether/when to restart (default: unexpected)
@@ -127,7 +127,7 @@ stdout_logfile_backups=10     ; # of stdout logfile backups (default 10)
 directory=/home/zulip/deployments/current/
 
 [program:zulip-events-missedmessage_reminders]
-command=python /home/zulip/deployments/current/manage.py process_queue --queue_name=missedmessage_emails
+command=/home/zulip/deployments/current/manage.py process_queue --queue_name=missedmessage_emails
 priority=600                   ; the relative start priority (default 999)
 autostart=true                 ; start at supervisord start (default: true)
 autorestart=true               ; whether/when to restart (default: unexpected)
@@ -141,7 +141,7 @@ stdout_logfile_backups=10     ; # of stdout logfile backups (default 10)
 directory=/home/zulip/deployments/current/
 
 [program:zulip-events-missedmessage_mobile_notifications]
-command=python /home/zulip/deployments/current/manage.py process_queue --queue_name=missedmessage_mobile_notifications
+command=/home/zulip/deployments/current/manage.py process_queue --queue_name=missedmessage_mobile_notifications
 priority=600                   ; the relative start priority (default 999)
 autostart=true                 ; start at supervisord start (default: true)
 autorestart=true               ; whether/when to restart (default: unexpected)
@@ -155,7 +155,7 @@ stdout_logfile_backups=10     ; # of stdout logfile backups (default 10)
 directory=/home/zulip/deployments/current/
 
 [program:zulip-events-slowqueries]
-command=python /home/zulip/deployments/current/manage.py process_queue --queue_name=slow_queries
+command=/home/zulip/deployments/current/manage.py process_queue --queue_name=slow_queries
 priority=600                   ; the relative start priority (default 999)
 autostart=true                 ; start at supervisord start (default: true)
 autorestart=true               ; whether/when to restart (default: unexpected)
@@ -169,7 +169,7 @@ stdout_logfile_backups=10     ; # of stdout logfile backups (default 10)
 directory=/home/zulip/deployments/current/
 
 [program:zulip-events-message_sender]
-command=python /home/zulip/deployments/current/manage.py process_queue --queue_name=message_sender --worker_num=%(process_num)s
+command=/home/zulip/deployments/current/manage.py process_queue --queue_name=message_sender --worker_num=%(process_num)s
 process_name=%(program_name)s-%(process_num)s
 priority=350                   ; the relative start priority (default 999)
 autostart=true                 ; start at supervisord start (default: true)
@@ -185,7 +185,7 @@ directory=/home/zulip/deployments/current/
 numprocs=5
 
 [program:zulip-events-feedback_messages]
-command=python /home/zulip/deployments/current/manage.py process_queue --queue_name=feedback_messages
+command=/home/zulip/deployments/current/manage.py process_queue --queue_name=feedback_messages
 priority=600                   ; the relative start priority (default 999)
 autostart=true                 ; start at supervisord start (default: true)
 autorestart=true               ; whether/when to restart (default: unexpected)
@@ -199,7 +199,7 @@ stdout_logfile_backups=10     ; # of stdout logfile backups (default 10)
 directory=/home/zulip/deployments/current/
 
 [program:zulip-events-error_reports]
-command=python /home/zulip/deployments/current/manage.py process_queue --queue_name=error_reports
+command=/home/zulip/deployments/current/manage.py process_queue --queue_name=error_reports
 priority=600                   ; the relative start priority (default 999)
 autostart=true                 ; start at supervisord start (default: true)
 autorestart=true               ; whether/when to restart (default: unexpected)
@@ -213,7 +213,7 @@ stdout_logfile_backups=10     ; # of stdout logfile backups (default 10)
 directory=/home/zulip/deployments/current/
 
 [program:zulip-events-digest_emails]
-command=python /home/zulip/deployments/current/manage.py process_queue --queue_name=digest_emails
+command=/home/zulip/deployments/current/manage.py process_queue --queue_name=digest_emails
 priority=600                   ; the relative start priority (default 999)
 autostart=true                 ; start at supervisord start (default: true)
 autorestart=true               ; whether/when to restart (default: unexpected)
@@ -227,7 +227,7 @@ stdout_logfile_backups=10     ; # of stdout logfile backups (default 10)
 directory=/home/zulip/deployments/current/
 
 [program:zulip-events-email_mirror]
-command=python /home/zulip/deployments/current/manage.py process_queue --queue_name=email_mirror
+command=/home/zulip/deployments/current/manage.py process_queue --queue_name=email_mirror
 priority=600                   ; the relative start priority (default 999)
 autostart=true                 ; start at supervisord start (default: true)
 autorestart=true               ; whether/when to restart (default: unexpected)
@@ -241,7 +241,7 @@ stdout_logfile_backups=10     ; # of stdout logfile backups (default 10)
 directory=/home/zulip/deployments/current/
 
 [program:zulip-deliver-enqueued-emails]
-command=python /home/zulip/deployments/current/manage.py deliver_email
+command=/home/zulip/deployments/current/manage.py deliver_email
 priority=600                   ; the relative start priority (default 999)
 autostart=true                 ; start at supervisord start (default: true)
 autorestart=true               ; whether/when to restart (default: unexpected)
diff --git a/puppet/zulip_ops/files/cron.d/active-user-stats b/puppet/zulip_ops/files/cron.d/active-user-stats
index f403c64f49..4f95d0e7c7 100644
--- a/puppet/zulip_ops/files/cron.d/active-user-stats
+++ b/puppet/zulip_ops/files/cron.d/active-user-stats
@@ -1,3 +1,3 @@
 MAILTO=root
 
-*/10 * * * *   zulip cd /home/zulip/deployments/current && python manage.py active_user_stats
+*/10 * * * *   zulip cd /home/zulip/deployments/current && ./manage.py active_user_stats
diff --git a/puppet/zulip_ops/files/cron.d/check-apns-tokens b/puppet/zulip_ops/files/cron.d/check-apns-tokens
index c6875d5baf..8932086a83 100644
--- a/puppet/zulip_ops/files/cron.d/check-apns-tokens
+++ b/puppet/zulip_ops/files/cron.d/check-apns-tokens
@@ -1,4 +1,4 @@
 MAILTO=root
 
 # Remove any stale apple device tokens from our list
-0 3 * * * zulip cd /home/zulip/deployments/current && python manage.py check_apns_tokens
+0 3 * * * zulip cd /home/zulip/deployments/current && ./manage.py check_apns_tokens
diff --git a/puppet/zulip_ops/files/cron.d/clearsessions b/puppet/zulip_ops/files/cron.d/clearsessions
index e46dc75f00..3aebe991bc 100644
--- a/puppet/zulip_ops/files/cron.d/clearsessions
+++ b/puppet/zulip_ops/files/cron.d/clearsessions
@@ -1,4 +1,4 @@
 MAILTO=root
 
 # Clear all expired Django sessions at 10:22 PM every day.
-22 22 * * *   zulip cd /home/zulip/deployments/current && python manage.py clearsessions
+22 22 * * *   zulip cd /home/zulip/deployments/current && ./manage.py clearsessions
diff --git a/puppet/zulip_ops/files/supervisor/conf.d/stats.conf b/puppet/zulip_ops/files/supervisor/conf.d/stats.conf
index 6f041bfcbd..dd06e70bd4 100644
--- a/puppet/zulip_ops/files/supervisor/conf.d/stats.conf
+++ b/puppet/zulip_ops/files/supervisor/conf.d/stats.conf
@@ -3,7 +3,7 @@
 
 
 [program:zulip-carbon-cache]
-command=python /opt/graphite/bin/carbon-cache.py --debug start
+command=/opt/graphite/bin/carbon-cache.py --debug start
 priority=200                   ; the relative start priority (default 999)
 autostart=true                 ; start at supervisord start (default: true)
 autorestart=true               ; whether/when to restart (default: unexpected)
@@ -15,7 +15,7 @@ stdout_logfile=/var/log/zulip/carbon-cache.log         ; stdout log path, NONE f
 directory=/home/zulip/
 
 [program:zulip-carbon-aggregator]
-command=python /opt/graphite/bin/carbon-aggregator.py --debug start
+command=/opt/graphite/bin/carbon-aggregator.py --debug start
 priority=200                   ; the relative start priority (default 999)
 autostart=true                 ; start at supervisord start (default: true)
 autorestart=true               ; whether/when to restart (default: unexpected)
diff --git a/puppet/zulip_ops/files/supervisor/conf.d/zmirror.conf b/puppet/zulip_ops/files/supervisor/conf.d/zmirror.conf
index bbcb52a82d..9f0704b61b 100644
--- a/puppet/zulip_ops/files/supervisor/conf.d/zmirror.conf
+++ b/puppet/zulip_ops/files/supervisor/conf.d/zmirror.conf
@@ -1,5 +1,5 @@
 [program:zmirror]
-command=python /home/zulip/zulip/bots/zephyr_mirror.py --root-path=/home/zulip/ --user=tabbott/extra --forward-class-messages --log-path=/home/zulip/logs/mirror-log --on-startup-command="/home/zulip/zulip/bots/zmirror-renew-kerberos"
+command=/home/zulip/zulip/bots/zephyr_mirror.py --root-path=/home/zulip/ --user=tabbott/extra --forward-class-messages --log-path=/home/zulip/logs/mirror-log --on-startup-command="/home/zulip/zulip/bots/zmirror-renew-kerberos"
 priority=200                   ; the relative start priority (default 999)
 autostart=true                 ; start at supervisord start (default: true)
 autorestart=true               ; whether/when to restart (default: unexpected)
@@ -11,7 +11,7 @@ stdout_logfile=/var/log/zulip/zmirror.log         ; stdout log path, NONE for no
 environment=HOME="/home/zulip",USER="zulip"
 
 [program:sync-public-streams]
-command=python /home/zulip/zulip/bots/sync-public-streams
+command=/home/zulip/zulip/bots/sync-public-streams
 priority=200                   ; the relative start priority (default 999)
 autostart=true                 ; start at supervisord start (default: true)
 autorestart=true               ; whether/when to restart (default: unexpected)
diff --git a/scripts/restart-server b/scripts/restart-server
index 52c2aef318..87fed0bb6b 100755
--- a/scripts/restart-server
+++ b/scripts/restart-server
@@ -21,10 +21,10 @@ if pwd.getpwuid(os.getuid()).pw_name != "zulip":
     sys.exit(1)
 
 # Send a statsd event on restarting the server
-subprocess.check_call(["python", "./manage.py", "send_stats", "incr", "events.server_restart", str(int(time.time()))])
+subprocess.check_call(["./manage.py", "send_stats", "incr", "events.server_restart", str(int(time.time()))])
 
 logging.info("Filling memcached caches")
-subprocess.check_call(["python", "./manage.py", "fill_memcached_caches"])
+subprocess.check_call(["./manage.py", "fill_memcached_caches"])
 
 # Restart the FastCGI and related processes via supervisorctl.
 logging.info("Stopping workers")
diff --git a/scripts/setup/initialize-database b/scripts/setup/initialize-database
index d8feb3cd4a..e01666268a 100755
--- a/scripts/setup/initialize-database
+++ b/scripts/setup/initialize-database
@@ -4,12 +4,12 @@ set -xe
 # Change to root directory of the checkout that we're running from
 cd "$(dirname "$0")/../.."
 
-python manage.py checkconfig
+./manage.py checkconfig
 
-python manage.py migrate --noinput
-python manage.py createcachetable third_party_api_results
+./manage.py migrate --noinput
+./manage.py createcachetable third_party_api_results
 
-if ! python manage.py initialize_voyager_db; then
+if ! ./manage.py initialize_voyager_db; then
     set +x
     echo
     echo -e "\033[32mPopulating default database failed."
diff --git a/templates/zerver/integrations.html b/templates/zerver/integrations.html
index c3adfe8332..2a7d26e4cf 100644
--- a/templates/zerver/integrations.html
+++ b/templates/zerver/integrations.html
@@ -190,7 +190,7 @@
       </li>
       <li>
         <p>Test your configuration by running the mirror with
-          <code>python asana/zulip_asana_mirror</code>. It will print
+          <code>asana/zulip_asana_mirror</code>. It will print
         some informational messages and process any recently created
         or completed tasks.</p>
       </li>
@@ -1528,7 +1528,7 @@ key = NAGIOS_BOT_API_KEY
         with <code>p4 triggers</code> and add an entry something like the
         following:
 
-        <pre>notify_zulip change-commit //depot/... "python /usr/local/share/zulip/integrations/perforce/zulip_change-commit.py %change% %changeroot%"</pre>
+        <pre>notify_zulip change-commit //depot/... "/usr/local/share/zulip/integrations/perforce/zulip_change-commit.py %change% %changeroot%"</pre>
         </li>
 
         <li>By default, this hook will send to streams of the form
diff --git a/tools/build-api-tarball b/tools/build-api-tarball
index bc06402928..a93ce46872 100755
--- a/tools/build-api-tarball
+++ b/tools/build-api-tarball
@@ -4,6 +4,6 @@ set -x
 cd api/
 # Strip out non-send_message bindings.
 perl -i.bak -ne 'print if !m/Client._register/ ||m/send_message/ ||m/get_messages/ ||m/add_subscriptions/ ||m/list_subscriptions/ ||m/remove_subscriptions/ ||m/get_streams/ ||m/get_members/ ||m/_register.*register/ ||m/get_events/ ||m/get_subscribers/' zulip/__init__.py
-python setup.py sdist
+./setup.py sdist
 mv zulip/__init__.py.bak zulip/__init__.py
 echo API tarball written to api/dist
diff --git a/tools/deprecated/iframe-bot/last-messages-wrapper.sh b/tools/deprecated/iframe-bot/last-messages-wrapper.sh
index d03aa988a0..ee3f707bf0 100755
--- a/tools/deprecated/iframe-bot/last-messages-wrapper.sh
+++ b/tools/deprecated/iframe-bot/last-messages-wrapper.sh
@@ -11,7 +11,7 @@ COUNT=50
 mkdir -p output
 while true; do
 
-if python show-last-messages --api-key="$API_KEY" --user="$BOT_EMAIL" --streams="$STREAMS" --count="$COUNT"; then
+if ./show-last-messages --api-key="$API_KEY" --user="$BOT_EMAIL" --streams="$STREAMS" --count="$COUNT"; then
     echo "[`date`] Success";
     mv output-candidate.html output/zulip.html
     touch output/zulip.html
diff --git a/tools/do-destroy-rebuild-database b/tools/do-destroy-rebuild-database
index 14d3959d61..a056aafef4 100755
--- a/tools/do-destroy-rebuild-database
+++ b/tools/do-destroy-rebuild-database
@@ -11,11 +11,11 @@ EOF
 
 sh "$(dirname "$0")/../scripts/setup/flush-memcached"
 
-python manage.py migrate --noinput
-python manage.py createcachetable third_party_api_results
-python manage.py populate_db -n100 --threads=1
+./manage.py migrate --noinput
+./manage.py createcachetable third_party_api_results
+./manage.py populate_db -n100 --threads=1
 # Ensure that the local user's API key is synced from ~/.zuliprc
 
 if [ -e ~/.zuliprc ]; then
-    python manage.py sync_api_key
+    ./manage.py sync_api_key
 fi
diff --git a/tools/provision.py b/tools/provision.py
index 241ceda873..ee81845c64 100755
--- a/tools/provision.py
+++ b/tools/provision.py
@@ -194,7 +194,7 @@ def main(options):
     if not os.path.isdir(EMOJI_CACHE_PATH):
         run(["sudo", "mkdir", EMOJI_CACHE_PATH])
     run(["sudo", "chown", "%s:%s" % (user_id, user_id), EMOJI_CACHE_PATH])
-    run(["python", "tools/setup/emoji_dump/build_emoji"])
+    run(["tools/setup/emoji_dump/build_emoji"])
     run(["scripts/setup/generate_secrets.py", "--development"])
     if options.is_travis and not options.is_production_travis:
         run(["sudo", "service", "rabbitmq-server", "restart"])
@@ -221,7 +221,7 @@ def main(options):
             run(["tools/do-destroy-rebuild-test-database"])
         else:
             print("No need to regenerate the test DB.")
-        run(["python", "./manage.py", "compilemessages"])
+        run(["./manage.py", "compilemessages"])
 
     # Here we install nvm, node, and npm.
     run(["sudo", "tools/setup/install-node"])
diff --git a/tools/run-dev-queue-processors b/tools/run-dev-queue-processors
index 57c8614360..e939ff9e19 100755
--- a/tools/run-dev-queue-processors
+++ b/tools/run-dev-queue-processors
@@ -19,5 +19,5 @@ from zerver.worker.queue_processors import get_active_worker_queues
 queues = get_active_worker_queues()
 
 args = sys.argv[1:]
-subprocess.Popen(['python', 'manage.py', 'process_queue', '--all'] + args,
+subprocess.Popen(['./manage.py', 'process_queue', '--all'] + args,
                  stderr=subprocess.STDOUT)
diff --git a/tools/run-dev.py b/tools/run-dev.py
index 44718e2cf1..e23f22effd 100755
--- a/tools/run-dev.py
+++ b/tools/run-dev.py
@@ -123,9 +123,9 @@ os.setpgrp()
 # Pass --nostatic because we configure static serving ourselves in
 # zulip/urls.py.
 cmds = [['./tools/compile-handlebars-templates', 'forever'],
-        ['python', 'manage.py', 'rundjango'] +
+        ['./manage.py', 'rundjango'] +
         manage_args + ['127.0.0.1:%d' % (django_port,)],
-        ['env', 'PYTHONUNBUFFERED=1', 'python', 'manage.py', 'runtornado'] +
+        ['env', 'PYTHONUNBUFFERED=1', './manage.py', 'runtornado'] +
         manage_args + ['127.0.0.1:%d' % (tornado_port,)],
         ['./tools/run-dev-queue-processors'] + manage_args,
         ['env', 'PGHOST=127.0.0.1',  # Force password authentication using .pgpass
diff --git a/tools/setup/generate-fixtures b/tools/setup/generate-fixtures
index 88ccd9d793..53fb98515b 100755
--- a/tools/setup/generate-fixtures
+++ b/tools/setup/generate-fixtures
@@ -25,13 +25,13 @@ CREATE DATABASE zulip_test TEMPLATE zulip_test_base;
 EOF
 sh "$(dirname "$0")/../../scripts/setup/flush-memcached"
 
-python manage.py migrate --noinput --settings=zproject.test_settings
+./manage.py migrate --noinput --settings=zproject.test_settings
 migration_status "var/migration-status"
 
 # This next line can be simplified to "-n0" once we fix our app (and tests) with 0 messages.
-python manage.py populate_db --settings=zproject.test_settings --test-suite -n30 \
+./manage.py populate_db --settings=zproject.test_settings --test-suite -n30 \
     --threads=1 --huddles=0 --personals=0 --percent-huddles=0 --percent-personals=0
-python manage.py dumpdata  --settings=zproject.test_settings \
+./manage.py dumpdata  --settings=zproject.test_settings \
     zerver.UserProfile zerver.Stream zerver.Recipient \
     zerver.Subscription zerver.Message zerver.Huddle zerver.Realm \
     zerver.UserMessage zerver.Client \
diff --git a/tools/setup/generate-test-credentials b/tools/setup/generate-test-credentials
index f9dcedc7b9..d418deaa05 100755
--- a/tools/setup/generate-test-credentials
+++ b/tools/setup/generate-test-credentials
@@ -7,7 +7,7 @@ email=iago@zulip.com
 
 mkdir -p var/casper
 
-password=$(python manage.py print_initial_password "$email" | fgrep "$email" | awk '{ print $2 }')
+password=$(./manage.py print_initial_password "$email" | fgrep "$email" | awk '{ print $2 }')
 cat > var/casper/test_credentials.js <<EOF
 // Generated by tools/setup/generate-test-credentials
 var test_credentials = {default_user: {username: '$email', password: '$password'}};
diff --git a/tools/test-run-dev b/tools/test-run-dev
index 4caa95eef8..b6b73ad23d 100755
--- a/tools/test-run-dev
+++ b/tools/test-run-dev
@@ -36,7 +36,7 @@ def test_nagios(nagios_logfile):
     ZULIP_DIR = os.path.join(TOOLS_DIR, '..')
     API_DIR = os.path.join(ZULIP_DIR, 'api')
     os.chdir(API_DIR)
-    subprocess.call(['python', 'setup.py', 'install'])
+    subprocess.call(['./setup.py', 'install'])
     PUPPET_DIR = os.path.join(ZULIP_DIR, 'puppet')
     os.chdir(ZULIP_DIR)
     my_env = os.environ.copy()
diff --git a/tools/travis/setup-backend b/tools/travis/setup-backend
index 13a8f0202e..68d65185da 100755
--- a/tools/travis/setup-backend
+++ b/tools/travis/setup-backend
@@ -1,6 +1,6 @@
 #!/bin/bash
 set -e
 set -x
-python tools/provision.py --travis
+tools/provision.py --travis
 sudo mkdir -p /var/lib/nagios_state
 sudo chown travis /var/lib/nagios_state
diff --git a/tools/travis/setup-production b/tools/travis/setup-production
index e34ece05f3..7521d0590d 100755
--- a/tools/travis/setup-production
+++ b/tools/travis/setup-production
@@ -11,7 +11,7 @@ sudo chmod a+rX /home/travis
 # to conflicts over which version of postgres should be running.
 sudo apt-get remove postgresql-9.1 postgresql-client-9.1 postgresql-9.1-postgis-2.2 postgresql-contrib-9.1 postgresql-9.1-postgis-2.2-scripts postgresql-9.2 postgresql-client-9.2 postgresql-9.2-postgis-2.2 postgresql-9.2-postgis-2.2-scripts postgresql-contrib-9.2 postgresql-9.4 postgresql-9.4-postgis-2.2-scripts postgresql-client-9.4 postgresql-9.5 postgresql-9.5-postgis-2.2 postgresql-9.5-postgis-2.2-scripts postgresql-contrib-9.5 postgresql-client-9.5 -y
 
-python tools/provision.py --travis --production-travis
+tools/provision.py --travis --production-travis
 cp -a tools/travis/success-http-headers.txt ~/
 source tools/travis/activate-venv
 if ! ./tools/build-release-tarball travis; then
diff --git a/tools/update-prod-static b/tools/update-prod-static
index db2337bf2d..1c95bf4823 100755
--- a/tools/update-prod-static
+++ b/tools/update-prod-static
@@ -32,12 +32,12 @@ fp = open('var/log/update-prod-static.log', 'w')
 setup_node_modules(npm_args=['--production'], stdout=fp, stderr=fp)
 
 # Compile Handlebars templates and minify JavaScript.
-subprocess.check_call(['python', 'tools/minify-js']
+subprocess.check_call(['./tools/minify-js']
                       + (['--prev-deploy', prev_deploy] if prev_deploy else []),
                       stdout=fp, stderr=fp)
 
 # Build emoji
-subprocess.check_call(['python', 'tools/setup/emoji_dump/build_emoji'],
+subprocess.check_call(['./tools/setup/emoji_dump/build_emoji'],
                       stdout=fp, stderr=fp)
 
 # Download and include zxcvbn.js
@@ -45,11 +45,11 @@ subprocess.check_call(['bash', '-ex', 'tools/setup/download-zxcvbn'],
                       stdout=fp, stderr=fp)
 
 # Collect the files that we're going to serve.
-subprocess.check_call(['python', './manage.py', 'collectstatic', '--noinput', '-i', 'assets'],
+subprocess.check_call(['./manage.py', 'collectstatic', '--noinput', '-i', 'assets'],
                       stdout=fp, stderr=fp)
 
 # Compile translation strings to generate `.mo` files.
-subprocess.check_call(['python', './manage.py', 'compilemessages'],
+subprocess.check_call(['./manage.py', 'compilemessages'],
                       stdout=fp, stderr=fp)
 
 # Move the source maps out of the serve/ directory and into their
diff --git a/zerver/lib/test_runner.py b/zerver/lib/test_runner.py
index 3d1ea67200..e4b77831c1 100644
--- a/zerver/lib/test_runner.py
+++ b/zerver/lib/test_runner.py
@@ -107,7 +107,7 @@ def run_test(test):
             print("Actual test to be run is %s, but import failed." % (actual_test_name,))
             print("Importing test module directly to generate clearer traceback:")
             try:
-                command = ["python", "-c", "import %s" % (actual_test_name,)]
+                command = [sys.executable, "-c", "import %s" % (actual_test_name,)]
                 print("Import test command: `%s`" % (' '.join(command),))
                 subprocess.check_call(command)
             except subprocess.CalledProcessError:
diff --git a/zerver/management/commands/add_users_to_streams.py b/zerver/management/commands/add_users_to_streams.py
index 720cf82c4f..c8c30cbed9 100644
--- a/zerver/management/commands/add_users_to_streams.py
+++ b/zerver/management/commands/add_users_to_streams.py
@@ -44,7 +44,7 @@ class Command(BaseCommand):
         # type: (**Any) -> None
         if options["domain"] is None or options["streams"] is None or \
                 (options["users"] is None and options["all_users"] is None):
-            self.print_help("python manage.py", "add_users_to_streams")
+            self.print_help("./manage.py", "add_users_to_streams")
             exit(1)
 
         stream_names = set([stream.strip() for stream in options["streams"].split(",")])
diff --git a/zerver/management/commands/create_realm.py b/zerver/management/commands/create_realm.py
index 652ecf902b..ef8dcaeabd 100644
--- a/zerver/management/commands/create_realm.py
+++ b/zerver/management/commands/create_realm.py
@@ -18,7 +18,7 @@ import sys
 class Command(BaseCommand):
     help = """Create a realm.
 
-Usage: python manage.py create_realm --string_id=acme --name='Acme'"""
+Usage: ./manage.py create_realm --string_id=acme --name='Acme'"""
 
     def add_arguments(self, parser):
         # type: (CommandParser) -> None
@@ -84,7 +84,7 @@ Usage: python manage.py create_realm --string_id=acme --name='Acme'"""
 
         if not name or not string_id:
             print("\033[1;31mPlease provide a name and string_id.\033[0m\n", file=sys.stderr)
-            self.print_help("python manage.py", "create_realm")
+            self.print_help("./manage.py", "create_realm")
             exit(1)
 
         if options["deployment_id"] is not None and not settings.ZILENCER_ENABLED:
diff --git a/zerver/management/commands/deliver_email.py b/zerver/management/commands/deliver_email.py
index fe80e7d372..4d599028fe 100755
--- a/zerver/management/commands/deliver_email.py
+++ b/zerver/management/commands/deliver_email.py
@@ -70,7 +70,7 @@ class Command(BaseCommand):
 
 Run this command under supervisor. We use Mandrill for zulip.com; this is for SMTP email delivery.
 
-Usage: python manage.py deliver_email
+Usage: ./manage.py deliver_email
 """
 
     def handle(self, *args, **options):
diff --git a/zerver/management/commands/email_mirror.py b/zerver/management/commands/email_mirror.py
index 39c2aa4b4e..be31462d27 100755
--- a/zerver/management/commands/email_mirror.py
+++ b/zerver/management/commands/email_mirror.py
@@ -29,7 +29,7 @@ This script can be used via two mechanisms:
      environment variable.
 
      In Postfix, you can express that via an /etc/aliases entry like this:
-         |/usr/bin/env python /home/zulip/deployments/current/manage.py email_mirror
+         |/home/zulip/deployments/current/manage.py email_mirror
 """
 
 
diff --git a/zerver/management/commands/generate_realm_creation_link.py b/zerver/management/commands/generate_realm_creation_link.py
index 634f6cc684..c6cd162582 100644
--- a/zerver/management/commands/generate_realm_creation_link.py
+++ b/zerver/management/commands/generate_realm_creation_link.py
@@ -12,7 +12,7 @@ class Command(BaseCommand):
     settings.OPEN_REALM_CREATION is enabled. The link would expire automatically after
     settings.REALM_CREATION_LINK_VALIDITY_DAYS.
 
-    Usage: python manage.py generate_realm_creation_link """
+    Usage: ./manage.py generate_realm_creation_link """
 
     def handle(self, *args, **options):
         # type: (*Any, **Any) -> None
diff --git a/zerver/management/commands/import.py b/zerver/management/commands/import.py
index 6a85c3d83b..f72a656246 100644
--- a/zerver/management/commands/import.py
+++ b/zerver/management/commands/import.py
@@ -27,7 +27,7 @@ class Command(BaseCommand):
 This command should be used only on a newly created, empty Zulip instance to
 import a database dump from one or more JSON files.
 
-Usage: python2.7 manage.py import [--destroy-rebuild-database] [--import-into-nonempty] <export path name> [<export path name>...]"""
+Usage: ./manage.py import [--destroy-rebuild-database] [--import-into-nonempty] <export path name> [<export path name>...]"""
 
     def add_arguments(self, parser):
         # type: (CommandParser) -> None
diff --git a/zerver/management/commands/print_email_delivery_backlog.py b/zerver/management/commands/print_email_delivery_backlog.py
index 383661ffd9..b9374bb2a0 100755
--- a/zerver/management/commands/print_email_delivery_backlog.py
+++ b/zerver/management/commands/print_email_delivery_backlog.py
@@ -22,7 +22,7 @@ class Command(BaseCommand):
 This is run as part of the nagios health check for the deliver_email command.
 Please note that this is only relevant to the SMTP-based email delivery (no Mandrill).
 
-Usage: python manage.py print_email_delivery_backlog
+Usage: ./manage.py print_email_delivery_backlog
 """
 
     def handle(self, *args, **options):
diff --git a/zerver/management/commands/realm_alias.py b/zerver/management/commands/realm_alias.py
index 9d3a40b313..ceb85f688b 100644
--- a/zerver/management/commands/realm_alias.py
+++ b/zerver/management/commands/realm_alias.py
@@ -47,5 +47,5 @@ class Command(BaseCommand):
             RealmAlias.objects.get(realm=realm, domain=alias).delete()
             sys.exit(0)
         else:
-            self.print_help("python manage.py", "realm_alias")
+            self.print_help("./manage.py", "realm_alias")
             sys.exit(1)
diff --git a/zerver/management/commands/realm_emoji.py b/zerver/management/commands/realm_emoji.py
index 26bf245f97..ef66b67574 100644
--- a/zerver/management/commands/realm_emoji.py
+++ b/zerver/management/commands/realm_emoji.py
@@ -14,10 +14,10 @@ import six
 class Command(BaseCommand):
     help = """Manage emoji for the specified realm
 
-Example: python manage.py realm_emoji --realm=zulip.com --op=add robotheart \\
+Example: ./manage.py realm_emoji --realm=zulip.com --op=add robotheart \\
     https://humbug-user-avatars.s3.amazonaws.com/95ffa70fe0e7aea3c052ba91b38a28d8779f5705
-Example: python manage.py realm_emoji --realm=zulip.com --op=remove robotheart
-Example: python manage.py realm_emoji --realm=zulip.com --op=show
+Example: ./manage.py realm_emoji --realm=zulip.com --op=remove robotheart
+Example: ./manage.py realm_emoji --realm=zulip.com --op=show
 """
 
     # Fix support for multi-line usage
@@ -54,13 +54,13 @@ Example: python manage.py realm_emoji --realm=zulip.com --op=show
 
         name = options['name']
         if name is None:
-            self.print_help("python manage.py", "realm_emoji")
+            self.print_help("./manage.py", "realm_emoji")
             sys.exit(1)
 
         if options["op"] == "add":
             img_url = options['img_url']
             if img_url is None:
-                self.print_help("python manage.py", "realm_emoji")
+                self.print_help("./manage.py", "realm_emoji")
                 sys.exit(1)
             check_add_realm_emoji(realm, name, img_url)
             sys.exit(0)
@@ -68,5 +68,5 @@ Example: python manage.py realm_emoji --realm=zulip.com --op=show
             do_remove_realm_emoji(realm, name)
             sys.exit(0)
         else:
-            self.print_help("python manage.py", "realm_emoji")
+            self.print_help("./manage.py", "realm_emoji")
             sys.exit(1)
diff --git a/zerver/management/commands/realm_filters.py b/zerver/management/commands/realm_filters.py
index 2ed3b019b7..c275c9002a 100644
--- a/zerver/management/commands/realm_filters.py
+++ b/zerver/management/commands/realm_filters.py
@@ -20,9 +20,9 @@ NOTE: Regexes must be simple enough that they can be easily translated to JavaSc
       * Named groups will be converted to numbered groups automatically
       * Inline-regex flags will be stripped, and where possible translated to RegExp-wide flags
 
-Example: python manage.py realm_filters --realm=zulip.com --op=add '#(?P<id>[0-9]{2,8})' 'https://trac.humbughq.com/ticket/%(id)s'
-Example: python manage.py realm_filters --realm=zulip.com --op=remove '#(?P<id>[0-9]{2,8})'
-Example: python manage.py realm_filters --realm=zulip.com --op=show
+Example: ./manage.py realm_filters --realm=zulip.com --op=add '#(?P<id>[0-9]{2,8})' 'https://trac.humbughq.com/ticket/%(id)s'
+Example: ./manage.py realm_filters --realm=zulip.com --op=remove '#(?P<id>[0-9]{2,8})'
+Example: ./manage.py realm_filters --realm=zulip.com --op=show
 """
 
     def add_arguments(self, parser):
@@ -51,13 +51,13 @@ Example: python manage.py realm_filters --realm=zulip.com --op=show
 
         pattern = options['pattern']
         if not pattern:
-            self.print_help("python manage.py", "realm_filters")
+            self.print_help("./manage.py", "realm_filters")
             sys.exit(1)
 
         if options["op"] == "add":
             url_format_string = options['url_format_string']
             if not url_format_string:
-                self.print_help("python manage.py", "realm_filters")
+                self.print_help("./manage.py", "realm_filters")
                 sys.exit(1)
             do_add_realm_filter(realm, pattern, url_format_string)
             sys.exit(0)
@@ -65,5 +65,5 @@ Example: python manage.py realm_filters --realm=zulip.com --op=show
             do_remove_realm_filter(realm, pattern=pattern)
             sys.exit(0)
         else:
-            self.print_help("python manage.py", "realm_filters")
+            self.print_help("./manage.py", "realm_filters")
             sys.exit(1)
diff --git a/zerver/management/commands/remove_users_from_stream.py b/zerver/management/commands/remove_users_from_stream.py
index 323dfade12..2fbd435dbc 100644
--- a/zerver/management/commands/remove_users_from_stream.py
+++ b/zerver/management/commands/remove_users_from_stream.py
@@ -43,7 +43,7 @@ class Command(BaseCommand):
         # type: (*Any, **Any) -> None
         if options["domain"] is None or options["stream"] is None or \
                 (options["users"] is None and options["all_users"] is None):
-            self.print_help("python manage.py", "remove_users_from_stream")
+            self.print_help("./manage.py", "remove_users_from_stream")
             exit(1)
 
         realm = get_realm(options["domain"])
diff --git a/zerver/management/commands/send_webhook_fixture_message.py b/zerver/management/commands/send_webhook_fixture_message.py
index 7784698524..57447eb100 100644
--- a/zerver/management/commands/send_webhook_fixture_message.py
+++ b/zerver/management/commands/send_webhook_fixture_message.py
@@ -39,7 +39,7 @@ Example:
     def handle(self, **options):
         # type: (*Any, **str) -> None
         if options['fixture'] is None or options['url'] is None:
-            self.print_help('python manage.py', 'send_webhook_fixture_message')
+            self.print_help('./manage.py', 'send_webhook_fixture_message')
             exit(1)
 
         full_fixture_path = os.path.join(settings.DEPLOY_ROOT, options['fixture'])
diff --git a/zerver/management/commands/set_default_streams.py b/zerver/management/commands/set_default_streams.py
index 05574bd307..c80058cf22 100644
--- a/zerver/management/commands/set_default_streams.py
+++ b/zerver/management/commands/set_default_streams.py
@@ -21,9 +21,9 @@ streams.
 
 For example:
 
-python manage.py set_default_streams --domain=foo.com --streams=foo,bar,baz
-python manage.py set_default_streams --domain=foo.com --streams="foo,bar,baz with space"
-python manage.py set_default_streams --domain=foo.com --streams=
+./manage.py set_default_streams --domain=foo.com --streams=foo,bar,baz
+./manage.py set_default_streams --domain=foo.com --streams="foo,bar,baz with space"
+./manage.py set_default_streams --domain=foo.com --streams=
 """
 
     def add_arguments(self, parser):
diff --git a/zerver/management/commands/turn_off_digests.py b/zerver/management/commands/turn_off_digests.py
index e15042350a..f197aab8a2 100644
--- a/zerver/management/commands/turn_off_digests.py
+++ b/zerver/management/commands/turn_off_digests.py
@@ -29,7 +29,7 @@ class Command(BaseCommand):
     def handle(self, **options):
         # type: (**str) -> None
         if options["domain"] is None and options["users"] is None:
-            self.print_help("python manage.py", "turn_off_digests")
+            self.print_help("./manage.py", "turn_off_digests")
             exit(1)
 
         if options["domain"]:
diff --git a/zerver/tests/test_management_commands.py b/zerver/tests/test_management_commands.py
index a31ac63a56..1bccc130fd 100644
--- a/zerver/tests/test_management_commands.py
+++ b/zerver/tests/test_management_commands.py
@@ -23,7 +23,7 @@ class TestSendWebhookFixtureMessage(TestCase):
         with self.assertRaises(SystemExit):
             call_command(self.COMMAND_NAME, url=self.url)
 
-        print_help_mock.assert_any_call('python manage.py', self.COMMAND_NAME)
+        print_help_mock.assert_any_call('./manage.py', self.COMMAND_NAME)
 
     @patch('zerver.management.commands.send_webhook_fixture_message.Command.print_help')
     def test_check_if_command_exits_when_url_param_is_empty(self, print_help_mock):
@@ -31,7 +31,7 @@ class TestSendWebhookFixtureMessage(TestCase):
         with self.assertRaises(SystemExit):
             call_command(self.COMMAND_NAME, fixture=self.fixture_path)
 
-        print_help_mock.assert_any_call('python manage.py', self.COMMAND_NAME)
+        print_help_mock.assert_any_call('./manage.py', self.COMMAND_NAME)
 
     @patch('zerver.management.commands.send_webhook_fixture_message.os.path.exists')
     def test_check_if_command_exits_when_fixture_path_does_not_exist(self, os_path_exists_mock):
diff --git a/zilencer/management/commands/compare_messages.py b/zilencer/management/commands/compare_messages.py
index f77bb6a123..61cc821464 100644
--- a/zilencer/management/commands/compare_messages.py
+++ b/zilencer/management/commands/compare_messages.py
@@ -12,7 +12,7 @@ from django.core.management.base import BaseCommand, CommandParser
 class Command(BaseCommand):
     help = """
     Render messages to a file.
-    Usage: python manage.py render_messages <destination> <--amount>
+    Usage: ./manage.py render_messages <destination> <--amount>
     """
 
     def add_arguments(self, parser):
diff --git a/zilencer/management/commands/create_deployment.py b/zilencer/management/commands/create_deployment.py
index e631364a85..4a5a28f072 100644
--- a/zilencer/management/commands/create_deployment.py
+++ b/zilencer/management/commands/create_deployment.py
@@ -33,7 +33,7 @@ class Command(BaseCommand):
         # type: (*Any, **Any) -> None
         if None in (options["api"], options["web"], options["domain"]):
             print("\033[1;31mYou must provide a domain, an API URL, and a web URL.\033[0m\n", file=sys.stderr)
-            self.print_help("python manage.py", "create_realm")
+            self.print_help("./manage.py", "create_realm")
             exit(1)
 
         if not options["no_realm"]:
diff --git a/zilencer/management/commands/render_messages.py b/zilencer/management/commands/render_messages.py
index 5c404e7aa8..0f1c4a067f 100644
--- a/zilencer/management/commands/render_messages.py
+++ b/zilencer/management/commands/render_messages.py
@@ -25,7 +25,7 @@ def queryset_iterator(queryset, chunksize=5000):
 class Command(BaseCommand):
     help = """
     Render messages to a file.
-    Usage: python manage.py render_messages <destination> [--amount=10000]
+    Usage: ./manage.py render_messages <destination> [--amount=10000]
     """
 
     def add_arguments(self, parser):