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How to restart your network connection
sudo service network-manager restart
See which tasks and processes are running
top
Which linux kernel/version
uname -a
cat /etc/apt/sources.list sources list your os is using sudo nautilus run Nautilus as root dpkg –list list all installed apps
sudo apt-get upgrade firefox update an app sudo apt-get remove “package-name” delete app sudo apt-get purge “package-name” delete apps + settings sudo apt-get autoremove remove all dependencies you don't need sudo apt autoclean && sudo apt autoremove
inxi -Frxzc0 shows your pc specs sudo ufw enable enable firewall sudo ufw disable disable firewall SomeCommand > SomeFile.txt output of a command to a text file (dpkg –list > applist.txt)
Shortcut to shutdown/restart/suspend
CTRL+DEL+END