How to re-run live installer?
132293
If I can, how do I install Ubuntu from Ubuntu?
12577
How can I customize the Ubuntu installer?
138044
How can I stop the Software Updater from nagging me to restart?
126457
How can I install commonly used developer tools?
54991
How can I install updates and shut down from the command line?
4057
How to tell Ubuntu where to install a program and how to tell where an existing program was installed?
56291
How can I replace upstart with systemd?
89856
How to resume the interrupted upgrade from 14.10 to 15.04?
82186
How do I make post-install scripts?
137517
Automatically keep current version of config files when apt-get install
125703
Is there a way to run an update and upgrade in one command?
1687
How to revert software sources back to default?
109433
How to run an executable on boot and keep it running?
124807
How do I install 'Make' without internet connection?
72496
How can I reload my XKB configuration without restarting my computer or logging back in
13107
How to install updates via command line?
69200
How do I reinstall Ubuntu Software in Ubuntu 20.04 LTS version?