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Postfix Virtual Hosting With LDAP Backend And With Dovecot As IMAP/POP3 Server On Ubuntu Trusty Tahr 14.04

Postfix Virtual Hosting With LDAP Backend And With Dovecot As IMAP/POP3 Server On Ubuntu Trusty Tahr 14.04

Here we we use an LDAP backend for both the MTA (Postfix) and POP3/IMAP server (Dovecot), and a web based management interface.

How to install OpenLDAP Server on Debian or Ubuntu

How to install OpenLDAP Server on Debian or Ubuntu

This document describes how to install and configure OpenLDAP in Debian/Ubuntu Server. I will use OpenLDAP to configure a corporate organizational structure through OpenLDAP.

Fast way to update Bash on Debian based distributions to secure it against Shell Shock.

Fast way to update Bash on Debian based distributions to secure it against Shell Shock. 

How to install Moodle on Ubuntu 14.04

How to install Moodle on Ubuntu 14.04

This document describes how to install and configure Moodle on Ubuntu 14.04.  Moodle (acronym for Modular Object-Oriented Dynamic Learning Environment) is a free software e-learning platform, also known as a Learning Management System, or Virtual Learning Environment (VLE).

How to install MediaWiki on Ubuntu 14.04

How to install MediaWiki on Ubuntu 14.04

This document describes how to install and configure MediaWiki on Ubuntu 14.04.  MediaWiki is free server-based software which is licensed under the GNU General Public License (GPL). It's designed to be run on a large server farm for a website that gets millions of hits per day. MediaWiki is an extremely powerful, scalable software and a feature-rich wiki implementation that uses PHP to process and display data stored in a database, such as MySQL. Pages use MediaWiki's wikitext format, so that users without knowledge of XHTML or CSS can edit them easily.

How to install Joomla on Ubuntu 14.04

How to install Joomla on Ubuntu 14.04

This document describes how to install and configure Joomla on Ubuntu 14.04. Joomla is an immensely popular and award-winning open source Content Management System (CMS) that enables users to build websites and create potent online applications in an unperturbed manner. Absolute user-friendliness and flexibility make Joomla amongst the most sought-after CMS softwares.

How to install X2Goserver on Ubuntu 14.04 as an alternative for VNC

How to install X2Goserver on Ubuntu 14.04 as an alternative for VNC

This document describes how to use X2Goserver as an alternative of VNC. I will install and configure X2Goserver on Ubuntu 14.04. X2Go enables us to access a graphical desktop of a computer over a low bandwidth (or high bandwidth) connection. X2Go is a Remote Desktop solution, which some vendors vaguely call Remote Control. This is not to be confused with Microsoft Remote Desktop Connection, which is a competing Remote Desktop solution and protocol. With X2Go, we can access Linux computers. The Linux computer we are accessing is the X2Go Server. The best part is that it supports sound transmission over remote connections.

How to run your own Git server with GitlabHQ on Ubuntu 14.04

How to run your own Git server with GitlabHQ on Ubuntu 14.04

This document describes how to install and configure Git and GitHub. These are great tools to manage and administer a whole host of Git repositories and the associated permissions. So, these remain true blessings for users writing open source software, however, when writing a closed source software may not be comfortable in trusting the code to a third party server. To gain the much-needed flexibility and control on stuff like Github/BitBucket without hosting the git repositories on servers that lie external to the control of users, GitLab remains a Godsend!

How to install Wordpress 4 on Ubuntu 14.04 LAMP

How to install Wordpress 4 on Ubuntu 14.04 LAMP

This document describes how to install and configure Wordpress 4.0 on Ubuntu 14.04. WordPress started in 2003 with a single bit of code to enhance the typography of everyday writing and with fewer users than you can count on your fingers and toes. Since then it has grown to be the largest self-hosted blogging tool in the world, used on millions of sites and seen by tens of millions of people every day. This tutorial explains the process of installing Wordpress 4.0 on Ubuntu 14.04 in the form of a simple-to-follow guide.

How to limit CPU usage with CPULimit on Ubuntu Linux

How to limit CPU usage with CPULimit on Ubuntu Linux

This document describes how to limit CPU usage in Ubuntu 14.04. I will use CPU-limit utilty for this purpose. Cpulimit is a tool which limits the CPU usage of a process (expressed in percentage, not in CPU time). It is useful to control batch jobs, when you don't want them to eat too many CPU cycles. The goal of cpulimit is to prevent a process from running for more than a specified time ratio. It does not change the nice value or other scheduling priority settings, but the real CPU usage. Also, it is able to adapt itself to the overall system load, dynamically and quickly.
The control of the used CPU amount is done sending SIGSTOP and SIGCONT POSIX signals to processes.
All the children processes and threads of the specified process will share the same percentage of CPU.

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