Question: first things to do after installing debian 9?
Answer: Update. sudo apt-get update && sudo apt-get dist-upgrade -y. Install SSH. sudo apt-get install ssh. Install VIM. sudo apt-get install vim -y. Set VIM to be the default editor (crontab) echo 'export EDITOR=vim' >> $HOME/.bashrc sudo update-alternatives --config editor. Install ifconfig. ...  Install byobu.