How to copy or restore OS via apt package-list?
12393
How do I replicate installed package selections from one Debian system to another? (Debian Wheezy)
53498
How do I find packages to install via apt-get
2136
How to roll back Ubuntu to a previous version?
55857
How do I get a list of obsolete packages?
87672
Apt-Get system completely broken. possible to completely reinstall it?
102801
How to create bootable ISO from an installed OS?
19087
How do I recreate a deleted '/var/lib/dpkg' directory?
73749
How to find manually installed packages?
94603
Where are packages stored installed with APT in Ubuntu 16.04?
13399
Why can I no longer (un)install packages via apt-get after doing a partial dist-upgrade?
103355
What the -f in the "apt-get -f install" command do?
149437
Ubuntu equivalent of system restore? Does it exist?
20819
Generating list of manually installed packages and querying individual packages
112660
How to get list of installed packages with installation date?
40021
How can I get a list of all packages available for a specific version of Ubuntu (not necessarily the one I have installed)?
9896
How do I get and modify the source code of packages installed through apt-get?
71322
Best way to clone an installation (copying to identical hardware)