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Linux

A collection of 7 issues

Mastering Log File Search: A Beginner’s Guide to Finding Strings in Text Files

In the world of software development and system administration, log files are a goldmine of information. They record crucial details about events happening on a system, especially when working with APIs. However, as the log files grow in size, searching for specific information can become a daunting task. One of

Keeping Your Ubuntu System Up-to-Date: A Simple Guide to apt update and apt upgrade

As a beginner to Linux, you might hear advice like "keep your system up to date" or come across commands such as sudo apt update && sudo apt upgrade. But what exactly do these commands do, and why are they important? Let’s break it down in

Challenges and Tips for Upgrading Ubuntu

Upgrading your Ubuntu system is a critical task that ensures you have the latest features, security patches, and performance improvements. However, as with any major system update, challenges can arise. This article explores common issues during the Ubuntu upgrade process and provides practical tips to navigate them smoothly. 1. Configuration

Linux Tip: How to Copy Directories and Subdirectories in Linux

Copying files and directories in Linux is a common task for beginners, but understanding how to do it properly can save you a lot of time and prevent errors. In this guide, we’ll explain how to copy an entire directory, including its subdirectories and files, from one location to

Ubuntu Tip: Cannot Upgrade with do-release-upgrade

Problem: When I type sudo do-release-upgrade there is error like this. Checking for a new Ubuntu release In /etc/update-manager/release-upgrades Prompt is set to never so upgrading is not possible. Solution: The message you're seeing indicates that your system's configuration is preventing the release upgrade

Linux Tip: How to see the value of an environment variable

Environment variables in Linux are essential components that store configuration data for processes running in the system. These variables can define system-wide settings like the location of system files or user-specific settings, such as paths to directories or API keys. To see the value of an environment variable in Linux,

Creating Symbolic Link in Linux (and also delete it)

Problem: I have directory like this /var/www/html/my-back-end/public and my Apache web server has virtual domain example.com that points DocumentRoot to /var/www/html/my-back-end/public. Now we have assets directory at /data/example.com/assets, this directory contains images that uploaded by users or admins.