Linux systems administrators must possess a diverse set of commands for various tasks like user management, file handling, system monitoring, networking, and security. This article delves into essential commands for effectively managing a Linux server, with a reminder that certain commands may vary depending on the Linux distribution being used.
Managing user accounts and groups
Key tasks for a Linux sysadmin include creating user accounts, setting passwords, managing user groups, and controlling account access. Familiarity with commands such as useradd, adduser, userdel, usermod, groupadd, groupdel, groupmod, gpasswd, passwd, id, whoami, groups, and chage is crucial.
Managing files and directories
Efficient navigation within the file system, setting up directories, locating files, and gathering file information are essential skills for Linux sysadmins. Commands like cd, mkdir, locate, and ls are indispensable for managing files and directories effectively.