System Administration

Articles in System Administration

• How to shut down Linux from terminal

  Learn multiple methods to shut down Linux from terminal using shutdown, halt, poweroff, and reboot commands. Complete guide with examples and troubleshooting tips.

• How to reboot Linux from command line

  Learn how to safely reboot Linux systems from command line using shutdown, reboot, systemctl commands. Complete guide with examples, scheduling options, and troubleshooting.

• How to disable unused services in Linux

  Learn how to disable unused Linux services to improve system performance and security. Complete guide with step-by-step instructions for systemd and SysV init systems.

• How to check file system type in Linux

  Learn how to check file system types in Linux using commands like df, lsblk, mount, and more. Complete guide with examples for beginners and intermediate users.

• How to find large files in Linux

  Learn how to find large files in Linux using command-line tools like find, du, and ncdu. Complete guide with examples, tips, and troubleshooting for disk space management.

• How to recover deleted files in Linux

  Learn how to recover deleted files in Linux using built-in tools and third-party utilities. Step-by-step guide with practical examples for data recovery.

• How to repair a corrupted file system in Linux

  Learn how to diagnose and repair corrupted Linux file systems using fsck, e2fsck, and other essential tools. Complete guide with step-by-step instructions.

• How to add swap partition in Linux

  Learn how to add swap partition in Linux with step-by-step guides. Create swap files, manage swap space, and optimize system performance. Includes troubleshooting tips.

• How to synchronize time with NTP in Linux

  Learn how to synchronize time with NTP in Linux. Complete guide covering installation, configuration, troubleshooting, and security best practices for accurate time sync.

• How to configure time zone in Linux

  Learn how to configure time zones in Linux with step-by-step instructions, practical examples, and troubleshooting tips for all major distributions.

• How to check service logs in Linux

  Learn how to check service logs in Linux using systemctl, journalctl, and traditional log files. Complete guide with examples for troubleshooting services.

• How to enable a service at boot in Linux

  Learn how to enable services at boot in Linux using systemctl, chkconfig, and other methods. Complete guide with examples, troubleshooting, and best practices.

• How to start and stop services in Linux

  Learn how to start, stop, restart, and manage Linux services using systemctl, service commands, and init.d scripts. Complete guide with examples and troubleshooting.

• How to manage system services in Linux

  Learn how to manage Linux system services using systemctl, service commands, and init systems. Complete guide with examples for starting, stopping, and configuring services.

• How to update the PATH variable in Linux

  Learn how to update the PATH variable in Linux with step-by-step instructions. Master temporary and permanent PATH modifications for better system navigation.

• How to set environment variables in Linux

  Learn how to set environment variables in Linux with step-by-step instructions, practical examples, and troubleshooting tips for beginners and intermediate users.

• How to change hostname in Linux

  Learn how to change hostname in Linux with step-by-step guides for different distributions. Includes temporary, permanent methods, and troubleshooting tips.

• How to check Linux kernel version

  Learn multiple methods to check your Linux kernel version using command line tools. Step-by-step guide with examples for beginners and advanced users.

• How to display system information in Linux

  Learn how to display system information in Linux using built-in commands like uname, lscpu, free, and more. Complete guide with examples and troubleshooting tips.

• How to check Linux system uptime

  Learn multiple methods to check Linux system uptime including uptime command, /proc/uptime, systemd, and GUI tools. Complete guide with examples and troubleshooting tips.