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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Use SCP Command to Securely Transfer Files

Sep 23, 2026 • 10 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, uploads, downloads, custom ports, and the options you need for everyday transfers.

GZ file icon beside the text unzip .gz file on a yellow background

Jul 17, 2026 • 4 min read

How to Unzip a .gz File in Linux

Unzip a .gz file in Linux with gzip or gunzip, keep the original file when needed, and extract .tar.gz archives with tar.

Apr 4, 2026 • 6 min read

Bash Functions

How to define and use Bash functions, pass arguments, return values, and apply best practices for writing cleaner and more maintainable scripts.

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A quick weekly roundup of new tutorials, news, and tips.

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Sep 26, 2026 • 10 min read

rename Command in Linux: Rename Multiple Files

Batch rename files in Linux with the rename command using Perl regular expressions. Includes syntax, examples, and tips for the Perl and C versions.

Terminal showing rename command renaming multiple files

Sep 26, 2026 • 10 min read • series

Using the SSH Config File

Set up the SSH client config file to manage multiple remote connections with custom hostnames, users, ports, keys, and jump hosts, all without long command-line flags.

Sep 26, 2026 • 6 min read • new

Ubuntu Desktop vs Ubuntu Server: Which One Should You Use?

Ubuntu Desktop and Ubuntu Server share the same base but differ in installers, software, resource needs, and workloads. See which edition fits your system.

Shared Ubuntu base branching to a desktop workstation and headless server

Sep 25, 2026 • 7 min read

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

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

Python Delete (Remove) Files and Directories

Sep 25, 2026 • 12 min read • series

dd Command in Linux: Copy Disks, Partitions, and Files

This guide explains how to use the dd command in Linux to write ISO images, clone disks, back up partitions, wipe drives, and test disk speed.

Using the dd command to copy disks, partitions, and files in Linux

Sep 25, 2026 • 13 min read • series

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.

Sep 24, 2026 • 8 min read

How to Check Python Version

Check the Python version on Linux, macOS, or Windows, locate the active interpreter, and read version information from inside a script.

Cartoon green snake next to the text check python version

Sep 24, 2026 • 11 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.

Sep 24, 2026 • 10 min read

How to Set a Static IP Address on Ubuntu Server and Desktop

Set a static IP address on Ubuntu with Netplan on servers, nmcli from the command line, or GNOME Settings on the desktop, and test the change safely with netplan try.

Static IP address configuration on Ubuntu

Sep 24, 2026 • 7 min read • series

How to Create Groups in Linux: groupadd Command

This guide explains how to create groups in Linux using the groupadd command, including how to set a custom GID, create system groups, and manage group options.