Ubuntu – How to backup programs without using apt cache

aptbackupinstallationpackage-management

Is there any way to backup installed software, install a fresh Ubuntu system, and restore the software on the newly installed system, without an Internet connection? I already cleared my apt cache.

Best Answer

Backup

  1. Ctrl + Alt + T(Opens Terminal)

  2. Get root access (i) Type "sudo su" then press Enter (ii)Give Your Password

  3. Install Require Packages (i)apt-get install fakeroot(ii)apt-get install dpkg-repack

  4. cd to Your Backup directory For example ,Say U have a Thumbdrive and created a folder backup "cd /media/usb/backup"

  5. Run the Following in terminal

    fakeroot -u dpkg-repack dpkg --get-selections | grep install | cut -f1

.Restore

Steps to reinstall packages

1.Ctrl + Alt +T(Opens Terminal)

2.cd to the "backup" directory

Eg: "cd /media/usb/backup"

3.Run the Following in terminal

sudo dpkg -i *.deb

Source :Facebook doc

Edit

If it lead to broken dependencies open the terminal and type

sudo apt-get install -f