OS commands you should know
Ubuntu Firewall
df - disk space monitoring
Very simple command of df -h (h means human readable...aka GB sizes). df -h Filesystem Si...
watch - continuously run a command and watches for changes.
This command does not run for every application so if you notice issues then its not compatible. ...
htop - Advanced version of top
HTOP------ All Linux OS's come with top (shows top processes and CPU/Memory details. It still d...
Screen - Run an terminal in the background and if you lose connectivity it still runs
Screen is a utility that lets you run an application/script/terminal and then place it in the bac...
crontab - Scheduler
Crontab - Crontab is scheduler so you can launch scripts hourly/daily/weekly/monthly. type ...