-
iptables
iptables Iptables is a powerful command-line tool used to configure and manage network traffic filtering and firewall rules on Linux systems. It’s a crucial component for securing your system, allowing you to control incoming and outgoing network traffic based on various criteria. Basic Use Cases With iptables, you can: Block or allow specific IP addresses…
-
xfs_admin
xfs_admin The xfs_admin command is a utility used to perform administrative tasks on XFS file systems without mounting them. This allows for maintenance operations like repairing file system damage, cleaning up lost+found files, or enabling features that would otherwise require a mounted file system. Use Cases: Repairing file systems damaged by a power outage or…
-
at
at The at command is a powerful tool used to schedule commands or shell scripts to run at a later time. It allows users to submit jobs to be executed at a specific date and hour, making it useful for tasks that require delayed execution. Use Cases: Scheduling system maintenance or backups Running tasks during…
-
disown
Disown The disown command is used to remove a job from the session’s background job table. This means that if you run disown on a running process, it will no longer be controlled by your current shell session. The use of this command can be beneficial when: You want to detach a long-running process from…
-
cron
cron The cron command is a powerful tool that allows you to schedule tasks to run at specific times or intervals on your Linux system. It’s like a personal assistant that helps you automate repetitive tasks, ensuring they’re executed without requiring human intervention. What is cron used for? Cron jobs are useful for: Running backups…
-
lxc
LXC: Lightweight Xen-like Container Manager The lxc command is a powerful tool for creating and managing lightweight containers on Linux systems. It allows you to run multiple isolated Linux environments on a single host, each with its own processes, network interfaces, and file system. This makes it an ideal solution for developers, testers, and sysadmins…