Author: Blog Admin
How to Change a Hostname on Ubuntu 24.04
Learn how to check and permanently change the hostname on Ubuntu 24.04 using hostnamectl or configuration files. A hostname is a unique, human-readable name assigned to a device on a network, such as a server, computer, or IoT device. Unlike IP addresses, which are numeric and intended for machines, hostnames…
Read MoreHow to Zip and Unzip Files in Linux
How to Zip and Unzip Files in Linux Updated on 16 July, 2025 Learn how to install and use zip and unzip on Linux to compress files, archive directories, and extract content. zip and unzip are popular command-line utilities for compressing and extracting files and directories on Linux systems. zip combines multiple files and directories into…
Read MoreHow to Rename a Branch in Git
Learn how to rename Git branches locally and remotely, with or without checkout, using safe and effective commands. Git is an open-source distributed version control system that helps developers track changes, manage code history, and work together efficiently. One of Git’s core features is branching, which allows you to create…
Read MoreHow To Add a Tag to Docker Image
Learn how to tag Docker images effectively during or after build, manage multiple tags, and follow best practices. Docker tags let you assign meaningful names to container images, replacing unreadable IDs with clear, human-friendly references. This helps developers organize images by version, environment, or feature and ensures consistency across build,…
Read MoreHow to Remove Commits from A Git Commit History
Learn how to remove, recover, or rewrite Git commits safely using reset, rebase, reflog, and filter-repo. Occasionally, you may push unwanted changes or sensitive data to a Git repository, whether local or remote. Git provides flexible tools to rewrite commit history, allowing you to remove sensitive information, undo mistakes, and…
Read MoreHow to Export a MySQL Database to an SQL File with MySQLdump
Learn how to export, back up, and restore MySQL databases using mysqldump, with SQL and CSV output examples. mysqldump is a built-in backup and recovery utility for MySQL. It exports a database’s schema and data to a text-based file that can be used to restore the database later. The exported file…
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