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Linux & Unix

How to tweak default size and position of an application window in Ubuntu Unity

Have you ever noticed that whenever an application is launched, its GUI window has a default size and position on…

How to add file compare option to Nautilus right-click menu in Ubuntu 16.04 LTS

File comparison is a common task, especially if you are software developer, tester, or a system/network admin. In Linux, there…

Webalizer error opening the file /usr/share/GeoIP/GeoIP.dat on Debian Linux

The Webalizer package in Debian 6 has currently small bug as the required package for the  GeoIP database is not…

How to Configure Active Directory on Windows Server 2012 R2

This step by step tutorial will guide you to set up active directory on your Windows Server 2012 R2 machine.…

How to resize an animated GIF image in Linux

Slowly but steadily, animated GIFs have become a kind of standard for Internet-based communications. As you'd have probably seen, people…

How to install deb packages in Linux using GDebi package installer

If you are a Linux user, and are looking for a way that takes complete care of downloading/installing dependencies for…

How to set a Fliqlo-like flip clock screensaver for your Ubuntu system

Looking for a cool screensaver for your Ubuntu system? One that also serves some purpose - not just those beautiful…

How to disable Apache mod_security for a website in ISPConfig 3.

If you use mod_security on your server you might encounter that a website script is not compatible with mod_security. To…

How to delete saved passwords for network drives on Linux desktops

The majority of graphical environments let you choose to remember the passwords you enter somewhere to ease access to something…

How to renew the ISPConfig 3 SSL Certificate

This tutorial describes the steps to renew the SSL Certificate of the ISPConfig 3 control panel. There are two alternative…

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