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Command line options

YAML Configuration file


./after-effects --config-file <filename>


./after-effects -c <filename>

Simulating package installation


./after-effects -s


./after-effects --simulate
This flag/option applies to following tasks
  • Installing apt packages.
  • Installing Debian package archives (DEBs).
  • Installing Python packages.
  • Upgrading system packages.
  • Purging unwanted packages.

Please do have a look at exceptions, as all tasks cannot be simulated.

  • This option will simulate installing packages mentioned in the config, using the apt-get's dry-run option.
  • This option can be used to check if the configuration and for testing.
  • Installation of DEB files also behaves in a similar way. It uses dpkg -i --dry-run to simulate installation.
  • Its a very good idea to simulate installation when you have reconfigured the apps and packages in the config to check what might be error prone.
  • DEB package files and binaries will be downloaded unlike apt-get package installs.
Exceptions - Not everything can be simulated
  • Simulate flag will not simulate adding Repositories or PPAs.
  • If you want to revert the changes please use Reset Repositories option.
  • PPAs and repositories will be added regardless of the flag.
  • APT package upgrades and apt repository metadata updates cannot be simulated.
  • Snap package installation cannot be simulated

Skip Version Checks


./after-effects --no-version-check

Script will warn you and exit if you are not running latest version of the script. You can skip that by using the above option.

Fix for latest Ubuntu releases


./after-effects -f


./after-effects --fix
This flag/option applies to following repositories
  • Google Cloud SDK
  • Docker Community Edition
  • Wine HQ

Usually it takes a while for additional repositories (Docker,etc) to add support for latest release of Ubuntu. However we can use the previous release for which packages might be available. Using packages built for previous release works fine most of the time.

  • Repositories like Spotify and Google Chrome do not use code names in their repository URLs. So the above workaround is not necessary.
  • Derivatives of Ubuntu will use the code name of Ubuntu on which they are based. For example Linux mint 18.2 Serena will use code name xenial as it is based on Ubuntu 16.04 Xenial Xerus
  • This option applies only for the latest release and will be ignored if the release is not latest.
  • This options cannot be applied for PPAs

Fix fallback to LTS


./after-effects --fix-mode-lts

Use LTS as fallback. This flag should be used in conjunction with --fix Otherwise it will be ignored. Instead of using previous Ubuntu release this will use the last LTS release. i.e if you are on 21.04 and 20.04 repositories will be used. Please use this with caution as it may not work. This has no effect on Debian and its derivatives.

Note for Pre-Release/ development version of Ubuntu/Debian
  • If you are using a pre-release version of Ubuntu, you can use --pre-release flag to apply the above mentioned fix to pre-release version of Ubuntu.
  • This flag can be used independent of --fix. If both are used together then both flags will be applied if the release is upcoming-release.
  • If the release is stable, only --fix flag will be valid and --pre-release is ignored.

Purge not required packages


./after-effects -d


./after-effects --purge

Usually Ubuntu comes with some pre-installed games, packages which you might not need. This option is a switch to used in purging these packages mentioned in the subsequent sections. Since it is possible that user might purge necessary packages like sudo or other core system components, these just acts like a barrier from accidentally doing so.


  • This flag MUST be passed, if you intend to purge packages from system. Otherwise you will receive an error.
  • If you are using YML config file you MUST set purge_enabled: true under config.flags. See Example YAML file for more info.

Delete log file


./after-effects -l


./after-effects --delete-log

Just a quick way to delete logs generated by this script.

Flag priority

If you pass -l rest of the commands will be ignored, as the script exits after deleting the log!

Keep downloaded DEB files


./after-effects -k


./after-effects --keep-debs

Keeps packages cached by APT and downloaded DEB packages. Default behavior is to clean apt cache and delete downloaded DEB packages.

Remote YAML configuration file


./after-effects --remote-yaml <URL to YAML file>


./after-effects -r <URL to YAML file>

You can specify YAML file to use. Script will fetch it and parse it.The file should be available without any interactive logins.


  • If using GitHub gists, you MUST use raw gist URL.
  • You should only use trusted remote locations to save your configurations and only use trusted configurations.



./after-effect -v


./after-effects --version

This will display version info. You do not have to be root to run this.

Autopilot Mode

Autopilot mode is designed to run the script in a non interactive manner. Please see Autopilot in tasks for more info.


Displays this help option.

./after-effects -h

A Post Installation Script for Ubuntu, Debian,
Linux-Mint, elementaryOS, Pop!_OS, MX Linux etc.

Usage:  [sudo] ./after-effects   [options]

Non-Action options (can be run as non-root user)
[-v | --version]      Display version info.
[-h | --help]         Display this help message.

Configuration Options
[-c | --config-file]  Local yaml config file.
[-r | --remote-yaml]  Use config yaml from a URL.

The following options are "action" options and will
make changes to your system depending on tasks selcted.
[-d | --purge]        Enable Purging packages
[-f | --fix]          Fix codenames for new releases
[-p | --pre-release]  Same as --fix but for beta/alpha
                      releases of Ubuntu and Debian.
[--fix-mode-lts]      Similar to --fix but fallback to
                      last LTS. MUST be used with --fix.
                      Only works on Ubuntu and Debian.
[-k | --keep-debs]    Do not invoke apt-clean & do not
                      delete downloaded deb packages.
[-l | --delete-log]   Deletes the logfile.
[-s | --simulate]     Try not to make changes to system
                      and use --dry-run Please read the
                      documentation, to know its limits
                      as everything cannot be simulated.

Other Options
[--no-env-checks]     Skip some env checks.
[--no-version-check]  Skip checking for latest version
[-A | --autopilot]    Enables AUTOPILOT mode(No Prompts).

Debugging Options
[-nx | --nx]          Just process config but do not
                      make any changes to the system.
[--debug]             Prints debug logs.
[--debug-trace]       Prints trace level logs which
                      includes output from apt-get
                      and other commands.

Documentation, License and Version Information
Version : 7.0.0
GitHub  :
Docs    :
License : GPLv3