All Articles
Browse all Linuxize tutorials, guides, and references.
Bash Arithmetic: Integer and Floating-Point Math
How to do arithmetic in Bash with the (( )) operator, $(( )) expansion, the let builtin, and bc or awk for floating-point math the shell cannot do natively.
How to Format USB Drives and SD Cards on Linux
Step-by-step instructions for formatting USB drives and SD cards on Linux using parted and mkfs. Covers FAT32, exFAT, EXT4, and NTFS filesystems with partition table setup and verification.
rsync Exclude Patterns: Skip Files and Directories
Exclude files and directories from an rsync transfer with --exclude and --exclude-from, glob patterns, and dry-run previews, with copy-paste examples.
Docker Networking: Connect Containers
Docker networking controls how containers communicate. This guide covers bridge, host, and none networks, port publishing, container DNS, isolation, and Compose networking.
How to Use the kill Command in Linux
Learn how to use the kill command in Linux to terminate processes, send signals, and reload services with practical examples.
How to List and Delete UFW Firewall Rules
Learn how to list active UFW rules, then delete them by number or specification. Includes status verbose, numbered output, rule reset, and SSH lockout recovery.
How to Install Nginx on Debian 13
Step-by-step instructions for installing and configuring Nginx on Debian 13 Trixie using apt, including UFW rules, the systemd service, and your first server block.
How to Install Podman on Ubuntu: Rootless Container Alternative to Docker
Step-by-step instructions for installing Podman on Ubuntu, running rootless containers, building images with Buildah, and switching from Docker.
Bash String Manipulation: Substring, Replace, Length, and More
Bash string manipulation using parameter expansion: extract substrings, replace text, strip prefixes and suffixes, change case, and check for substrings with practical examples.
nmcli Command in Linux: NetworkManager CLI Reference
The nmcli command manages NetworkManager from the terminal. This guide covers device status, Wi-Fi connections, static IP configuration, DNS settings, and scripting-friendly output.
How to List Cron Jobs in Linux
View and list all cron jobs on Linux: user crontabs with crontab -l, system jobs in /etc/crontab and /etc/cron.d, and systemd timers.
timedatectl Command in Linux: Manage Time, Date, and Time Zone
Use timedatectl to check system time, change the time zone, control NTP synchronization, set the clock manually, and inspect RTC settings on Linux.
How to Delete MySQL User Accounts with DROP USER
Delete MySQL or MariaDB user accounts with the DROP USER statement. Covers single and multiple users, IF EXISTS, and session behavior.
How to Check CPU Usage in Linux
This guide explains how to check CPU usage in Linux with top, htop, mpstat, vmstat, sar, ps, uptime, and per-core load tools.
systemctl Command in Linux: Start, Stop, and Manage Services
Manage services on systemd-based Linux distributions with systemctl. This guide explains how to start, stop, restart, enable, and disable services, reload unit files, and inspect service status.
Bash: Write to File
Redirect output to files in Bash using the > and >> operators, tee command, and heredocs, with examples for overwriting, appending, and writing multiple lines.
How to Install LEMP Stack on Ubuntu 26.04
Set up a LEMP stack on Ubuntu 26.04 with Nginx, MySQL 8.4, PHP 8.5, PHP-FPM, and a working PHP database test.
How to Mount a Windows Share on Linux Using CIFS
Mount a Windows SMB share on Linux with CIFS, use a credentials file, set ownership and permissions, and create a reliable fstab entry.
How to Install LAMP Stack on Ubuntu 26.04
Install Apache, MySQL 8.4, and PHP 8.5 on Ubuntu 26.04, configure an Apache virtual host, and test PHP database access.
SSH SOCKS Proxy: Create a SOCKS5 Tunnel for Browsing
Create an SSH SOCKS proxy with a SOCKS5 tunnel, configure Firefox or Chrome to use it, proxy DNS requests, and verify the browser exits through your SSH server.
