Ubuntu Server Command

How to install network tools like ifconfig

• sudo apt install net-tools

Check version

• cat /etc/os-release

Update apt-get

• apt-get update

How to be Root

• sudo -s

Back to user

• su [username]

List installed packages on Ubuntu

• apt list -installed

How many entries there are

• apt list --installed | wc -l

To find package. ex) git

• apt list --installed | grep git

To show package detail. ex) git

• apt show git