Stop copy-pasting from StackOverflow. Understand the shell, master the permissions, and become the root user of your career.
Master navigation, piping, and redirection. Learn why the terminal is faster than any GUI.
$ grep "success" your_career.log
Manage users, groups, and SSH keys. Understand the hierarchy of the Linux filesystem.
# chmod 700 secret_plans.sh
Configure firewalls, monitor traffic with tcpdump, and harden your server against attacks.
$ ufw enable