How to use grep command in Linux

Post author:amin nahdy
Post published:October 15, 2019

In this article you will learn how to use the grep command on Linux along with simple examples to help you find a string or pattern within a given file. (more…)

How to use the APT command on Ubuntu/Debian Linux systems

Post author:amin nahdy
Post published:October 1, 2019

APT is one of the most frequently used commands in Ubuntu ( and Debian family hereafter ) . APT stands for Advanced Package Tool and is used as a package management (i.e. updating, adding or removing) (more…)

How to restore GRUB Bootloader in Ubuntu

Post author:amin nahdy
Post published:September 17, 2019

In this article I’ll show you how to restore your bootloader, your grub loader that allows you to switch between Windows and Ubuntu – now the bootloader or the grub loader can disappear for a number of reasons. If you (more…)

How to use AppImage in Ubuntu

Post author:amin nahdy
Post published:September 13, 2019

What is AppImage ?

AppImage is a file format used for binary application distribution. It is meant to be a simple format that is easy to comprehend, create, remove and manage. Indeed, AppImage based software packages are (more…)

Task scheduling on Linux: CRONTAB

Post author:amin nahdy
Post published:August 13, 2019

Updated on 7/1/2023 – In Linux, automated tasks are referred to as cron jobs. These jobs are executed by a daemon called CRON, which runs commands at predetermined times or intervals. The exact time for a command to run can be set by specifying the (more…)

How to Install OpenVPN on Ubuntu 16.04 And 18.04

Post author:amin nahdy
Post published:August 6, 2019

Virtual Private Network or VPN is a private network of securely interconnected computers over the insecure public internet. A user who wants to access this private network as if he is (more…)