There are few standard ways to manage sources in Linux operating system, from command-line which can be difficult for some new users and built-in GUI way doesn't offers much (beside add and remove PPA). Aptik application first introduced in 2014 which made its way in community fairly easily. If you use standard version of Ubuntu and have many PPAs added in your system and you want to upgrade then this tools comes very handy and let you upgrade your OS quite easily, once you upgrade the OS you can re-install all the packages which were removed before upgrade or you can choose your strategy for upgrade process. Not only for upgrade, if you have another system that run Linux and you want to transfer packages from one to another then in that case it can be very useful tool.
It lets you backup and re-add all PPAs, installed packages (PPA/system/manually installed Deb), application settings, icons, themes, users/groups, data of Home directory and schedule tasks with a single click. Further more you can back and restore packages individually.
aptik

aptik

Features:

  • Backup/restore software packages and PPAs
  • Backup/restore installed packages
  • Backup/restore icons from (/usr/share/icons) and from themes (/usr/share/themes) directories
  • Backup/restore application settings, it saves zipped archives of application configuration folders from home directory to the backup location.
  • Backup/restore Users & Groups, backs up the users and groups created by user and restores them on the new system.
  • Backup/restore mount entries, backs up the entries in /etc/fstab and /etc/crypttab and restores them on the new system.
  • Backup/restore Home directory data, backs up the contents of the user's Home directory and restores them on the new system.
  • Scheduled Tasks, backs up the cron tab entries for all users and restores them on the new system.
  • Encrypted Backups: Backups containing sensitive or personal data are encrypted using AES-128 encryption.
  • Individual and Batch Operation: Items can be backed-up and restored individually or together using the One-Click button.
  • Support All Ubuntu flavors and Ubuntu derivatives (Linux Mint, Elementary OS and so on.)

Available for Ubuntu 17.04 Zesty/16.10 Yakkety/16.04 Xenial/14.04 Trusty/12.04 Precise/Linux Mint 18/17/13/other Ubuntu derivatives
To install Aptik in Ubuntu/Linux Mint open Terminal (Press Ctrl+Alt+T) and copy the following commands in the Terminal:

That's it
Source: aptik
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