Uploaded September 2025 | Updated September 2026, 1 week ago

---

If you’ve ever reinstalled Ubuntu, you know the pain of setting everything up again, such as finding apps, adding PPAs, and reinstalling software one by one. In this video, I’ll show you how to back up your installed packages and restore them later using dpkg commands.







What you will learn:
1. Step 1: Back Up Installed Packages
a. How to generate a list of all the packages currently installed on your Ubuntu system
b. How to have a file called packages.list in your current working directory
2. Step 2: Back Up Your Software Repositories
a. How to add Additional PPAs and third-party sources
b. How to Copies everything into a new folder called sources-backup inside your home directory
c. How to backed up your PPAs and repository keys
3. Step 3: Restore Installed Packages
a. How to restore all your previously installed apps using the backup
b. How to Updates Ubuntu’s package index
c. How to Installs everything from your list by going through each package and fetching it from the repositories
4. Step 4: Restore Your Repositories
a. How to find all your third-party apps and ensure that programs like Google Chrome, VirtualBox, Spotify, or VS Code will reinstall correctly
b. How to Copy the backup folder back to the system’s sources directory
c. How to Update Ubuntu’s package index to recognize repositories
d. How to double-check which PPAs and third-party sources are currently active
5. How to backup and restore your installed packages in Ubuntu
6. How you can quickly recreate your software environment after a reinstall or on a new system





























#computereverywhere #Ubuntu #Linux #Backup #Restore #UbuntuTutorial #LinuxTutorial #UbuntuBackup #UbuntuRestore #PackageManagement #LinuxCommands #UbuntuGuide #LinuxTips #SysAdmin #TechTutorial #OpenSource