How to install OTRS (OpenSource Trouble Ticket System) on CentOS 7

03 Feb

How to install OTRS (OpenSource Trouble Ticket System) on CentOS 7

Rollbar: Users finding bugs? Searching logs for errors? Find + fix broken code fast! OTRS (open-source trouble ticket system software) is a sophisticated open source software used by companies...

03 Feb

A comprehensive guide to taking screenshots in Linux using gnome-screenshot

Rollbar: Users finding bugs? Searching logs for errors? Find + fix broken code fast! There are several screenshot taking tools available in the market but most of them are...

02 Aug

Invalid HELO Name – How to Fix (cPanel Email: Client Setup, Private Email: Client Setup, )

The error you receive is connected with SMTP Authentication option that is enabled on our servers. It does not allow to send emails from third party mail clients without...

27 Jul

cPanel & WHM License Verification | cPanel Inc.

If your IP address matches the license, and you still experience problems, run the following script to verify your license:   /usr/local/cpanel/cpkeyclt

22 May

How To Install a CentOS 7.1 Minimal Server

This document describes the installation of a CentOS 7.1 server. The purpose of this guide is to provide a minimal setup that can be used as basis for our...

22 May

How to install OpenVPN Server and Client on CentOS 7

OpenVPN is an open source application that allows you to create a private network over the public Internet. OpenVPN tunnels your network connection securely trough the internet. This tutorial describes...

13 May

PHP Warning: [eAccelerator] Can not create shared memory area in Unknown on line 0

If you are receving the error message [10-Feb-2013 10:48:07] PHP Warning:  [eAccelerator] Can not create shared memory area in Unknown on line 0 [10-Feb-2013 10:48:07] PHP Fatal error:  Unable...

05 Feb

Repair Linux Boot failures in Grub 2 rescue mode

As GRUB 2’s ability to fix boot problems is greatly improved over the original GRUB bootloader. This article provides the you with information on options available for repairing GRUB...