How to Clear Apt Cache
When you install packages in Debian/Ubuntu using the apt-get command, a copy of the .deb file is locally stored. This helps in case you need to reinstall them after removal, …
Apt-cache – Search for Software Packages
Apt-cache is a command-line tool that queries and displays available information about packages from local APT files. Package information includes the package name, description, version, dependencies, repo, and maintainer. The …
How To Find The List Of Installed Repositories From Commandline In Linux
This brief tutorial explains how to find the list of installed repositories in Linux from command line. Listing the installed repositories from CLI mode is not only easier, but also …
Apt and Apt-get – Which One to Use
The Linux apt and apt-get tools are probably one of the most frequently used command-line tools in Debian-based distros when it comes to handling software packages. The two are very …
Difference Between apt-get upgrade and dist-upgrade
In our previous guide, we fleshed out the differences between apt update and apt upgrade. In this tutorial, we look at apt-get upgrade and apt-get dist-upgrade commands and seek to …
How To Restore Or Recover Deleted Commands In Linux
In this brief tutorial, we will learn how to restore or recover deleted commands in Linux using coreutils and busybox. We usually use rm command to remove stuffs in Linux, …
Hold Or Prevent A Package From Upgrade In Debian, Ubuntu
As you already know, we can upgrade all installed packages using apt upgrade command in Debian, Ubuntu and other Debian-based systems. During this upgrade process, all installed packages will be …
Fix “Encountered a section with no Package: header” Error In Ubuntu
Today, I encountered with the following error when I try to update my Ubuntu 20.04 LTS desktop system. $ sudo apt update Sample output: Get:1 http://ny-mirrors.evowise.com/ubuntu focal InRelease [265 kB] …
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 …
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 …