As with all large data sets, filtering is necessary to analyze, inspect and diagnose the system. In this article, you will learn about journalctl’s advanced filtering options which could be very useful for system administrators. (more…)
Broken packages is a common problem in Ubuntu and other similar distros. Sometimes when you install a new application or update the system, you will encounter the error ‘Sub-process /usr/bin/dpkg returned an (more…)
It could happen, as it did to me, that when you open your Virtual box and start your Ubuntu virtual machine, you get the error below : (more…)
In most Ubuntu and similar Linux distributions, the systemctl tool has replaced power management commands that were used in previous releases. The following commands for instance have been replaced by systemctl as (more…)
Data loss is a common threat we all face these days. Disk failure or other user mistakes might result in data loss. Losing data is more hazardous for a data center which stores tons of information every day. There are (more…)
In this short article, you will learn how to merge or split two or more PDF files using command line and GUI based tools. This is suitable for both beginners and experienced Linux users, so let’s get started. (more…)
PDFTK is a versatile command line utility that is used to manipulate PDF documents. It has the possibility to perform simple and complex actions on PDF documents such as merging, encrypting, splitting (including (more…)
Gunzip It is a utility that decompresses already compressed files such as images, documents, audio tracks, etc . Gunzip accepts many file extensions such as .gz, -gz, _z,.z, -z , .Z, .tgz or .taz. After (more…)
If you have been using a Linux distribution, you might have encountered filesystems errors somehow. Filesystems can be identified as a hierarchy of directories (or a directory tree) which determines the way files (more…)
Ubuntu and Linux mint are two of the best and popular Linux distributions available in the market. They both have some advantages over each other. Ubuntu is based on Debian and Linux Mint is based on Ubuntu. (more…)
