Tips and tricks

Linux / Ubuntu - commands I run first
multiple apt repos

the list of apt sources is rather short and secure. If you want to install phpmyadmin or autossh or number of other packages which are not supported in main sources list, you should adjust the sources list.

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run:

sudo apt edit-sources

enter at the bottom

deb http://archive.ubuntu.com/ubuntu/ bionic main restricted
deb http://archive.ubuntu.com/ubuntu/ bionic-updates main restricted
deb http://archive.ubuntu.com/ubuntu/ bionic universe
deb http://archive.ubuntu.com/ubuntu/ bionic-updates universe
deb http://archive.ubuntu.com/ubuntu/ bionic multiverse
deb http://archive.ubuntu.com/ubuntu/ bionic-updates multiverse
deb http://archive.ubuntu.com/ubuntu/ bionic-backports main restricted universe multiverse
deb http://security.ubuntu.com/ubuntu bionic-security main restricted
deb http://security.ubuntu.com/ubuntu bionic-security universe
deb http://security.ubuntu.com/ubuntu bionic-security multiverse
install aptitude

aptitude will help installing packages with dependencies.

run:

sudo apt-get install aptitude

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