Essential Linux Commands for DevOps Engineers Essential Linux Commands for DevOps Engineers In this article, we’ll explore some essential Linux commands that are frequently used by DevOps engineers in their daily workflows. Mastering these commands can significantly improve efficiency and streamline operations. System Information Commands hostname – Displays the system’s hostname. hostid – Shows the unique host ID assigned by the OS. date – Shows the current date and time in UTC format. whoami – Displays the current terminal’s logged-in username. uptime – Shows the duration since the system was last started. uname – Provides system information (Unix name). clear – Clears the terminal screen. history – Lists all previously executed commands. sudo – Super User Do (executes commands with superuser privileges). echo $? – Shows the exit status o...