Practical Linux Tutorials and Command-Line Guides

Search hundreds of step-by-step tutorials for Bash, Ubuntu, networking, security, and more.

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Using the rsync command to sync files and directories in Linux

Feb 23, 2026 • 7 min read

Rsync Command in Linux with Examples

Learn how to use the rsync command to sync files and directories locally and remotely. Covers common options, remote transfers, dry run, exclusions, and troubleshooting.

Use SCP Command to Securely Transfer Files

Apr 24, 2026 • 7 min read

scp Command in Linux: Secure File Transfer Examples

SCP copies files securely between local and remote hosts over SSH. This guide covers syntax, common options, and practical examples for everyday file transfers.

Apr 23, 2026 • 5 min read

How to Upgrade to Ubuntu 26.04

This guide explains how to upgrade Ubuntu 25.10 to Ubuntu 26.04 LTS today, and when Ubuntu 24.04 LTS systems become eligible for the standard upgrade path.

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Latest Articles

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Jun 27, 2026 • 8 min read

How to Mount and Unmount File Systems in Linux

Mount and unmount file systems in Linux with the mount and umount commands. Examples cover USB drives, ISO files, NFS shares, bind mounts, and persistent /etc/fstab entries.

Jun 27, 2026 • 4 min read

Check Linux Version: Find Your Distribution and Kernel Release

Check your Linux version from the terminal with /etc/os-release, hostnamectl, lsb_release, and uname. See when each command is useful.

Jun 27, 2026 • 5 min read

How to Mount an exFAT Drive on Ubuntu

Modern Ubuntu releases read and write exFAT drives out of the box. This guide shows how to mount exFAT USB drives and SD cards automatically or manually, install exfatprogs, set up an fstab entry, and fix common mount errors.

Jun 27, 2026 • 8 min read • new

How to Install NVIDIA CUDA Toolkit on Ubuntu 26.04

Install the NVIDIA CUDA Toolkit on Ubuntu 26.04 from the Ubuntu archive or NVIDIA repository, then verify the driver, nvcc compiler, and CUDA sample output.

Jun 26, 2026 • 7 min read

How to Edit Your Hosts File on Linux, Windows, and macOS

The hosts file maps domain names to IP addresses locally, overriding DNS. This guide explains how to edit /etc/hosts on Linux, macOS, and Windows with examples for testing, blocking, and local development.

Jun 26, 2026 • 5 min read

shutdown Command in Linux: Power Off, Reboot, and Schedule

How to use the shutdown command in Linux to power off, halt, or reboot the system immediately or at a scheduled time, with examples of all common options.

shutdown command in a Linux terminal used to power off and reboot the system

Jun 26, 2026 • 5 min read • new

How to Check if a Command Exists in Bash

Check whether a command exists in Bash with command -v, capture its path, validate several dependencies, and compare type, hash, and which.

Bash command existence check using command -v in a shell script

Jun 25, 2026 • 7 min read • new • series

setuid, setgid, and the Sticky Bit Explained

Understand the setuid, setgid, and sticky bit special permissions in Linux: what each one does on files and directories, how to set them, and the security risks.

Jun 25, 2026 • 5 min read

Delete Files and Directories in Python: os, pathlib, and shutil

How to delete single files, match and remove files by pattern, and remove directories in Python using the os, pathlib, and shutil modules.

Python Delete (Remove) Files and Directories

Jun 25, 2026 • 7 min read

How to Rename Files and Directories in Linux

Rename files and directories in Linux using mv for single renames and rename for batch filename changes, including extension changes, case conversion, and safe previews.