How To Find Best Ubuntu APT Repository Mirror
The first important thing to do after installing a fresh Ubuntu OS is to choose the best and fastest APT archive mirror. In this brief guide, I have listed all possible ways to find best...
Category: Linux
Print Files Without Comments And Empty Lines In Linux
When you display a source code or config file’s contents in the standard output using cat command, you will see everything in that file including the commented and empty lines, right? Yes. What if you...
Convert Ubuntu Into Rolling Release Using Rolling Rhino
Arch Linux follows the rolling-release model to provide the latest and up-to-date stable versions of most software. Not just Arch Linux, many other distributions, such as Gentoo, Kali Linux, KaOS, PCLinuxOS, Solus, openSUSE and Void...
Manage Multiple Software Development Kits Using SDKMAN In Linux
Are you a developer who often test applications on different SDKs? I’ve got a good news for you! SDKMAN is a CLI tool that helps you to easily manage multiple software development kits on Linux....
Fix “W: Some index files failed to download.” Error In Ubuntu
It seems one of the Ubuntu mirror is down today and I couldn’t install any new package in my Ubuntu 20.04 LTS server. When I try to update software source lists, I get this error...
How To Manage Multiple Java Versions With jEnv On Linux
As a Java developer, you’d like to test your code with different Java versions. Or you simply wanted to keep up with the features of a new Java version. Setting up different Java environments often...
Difference Between Defining Bash Variables With And Without export
I’ve added this “export HISTCONTROL=ignoredups” line in ~/.bashrc file to avoid duplicate entries in Bash history in my Linux desktop. Did you notice that I prefixed the HISTCONTROL variable with “export”? Do you know –...
How To Avoid Duplicate Entries In Bash History In Linux
In this brief guide, we will learn how to avoid duplicate entries in Bash history in Linux. When working from commandline, you might have run some Linux commands multiple times. As you already know, each...
Fix “Sub-process /usr/bin/dpkg returned an error code (1)” In Ubuntu
Today I tried to upgrade my Ubuntu 20.04 LTS desktop and I encountered with this error – “Sub-process /usr/bin/dpkg returned an error code (1)”. It is one of the common issue in Ubuntu and other...
How To Share Your Terminal To Web Using Streamhut
There were times when I had to share my Terminal output to a colleague or friend or technical support person to show something or get some help. Up until a few years ago, I used...
