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. 

An anonymous reader writes: In early 2013, Canonical showed the world Ubuntu Touch, a version of Ubuntu developed specifically for smartphones. Now, the mobile operating system has finally reached “release to manufacturing” status. (Here’s the release announcement.) The first phone running Ubuntu Touch, the Meizu MX4, will start shipping in December. “Details are scarce on its hardware, but a leak from iGeek suggests the Pro variant may have a Samsung Exynos 5430 processor, 4GB of RAM, and a 2560×1536 resolution screen. … This more powerful hardware is good news if true, and it bodes well for Ubuntu’s vision of computing convergence.” Softpedia has a preview of the RTM version of the OS. They say performance has improved significantly, even on old phones, and that the UI has been polished into a much better state.

Read more of this story at Slashdot.




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

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

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.

How to install TYPO3 CMS on Ubuntu 14.04

How to install TYPO3 CMS on Ubuntu 14.04

This document describes how to how you can install and run a TYPO3 (version 6.2 LTS) on Ubuntu 14.04 system. The version TYPO3 6.6LTS is the latest version and have its support till March,2017. The TYPO3 Universe offers highly flexible, scaleable and customizable products for Web Content Management, providing the basis for websites, intranets and web & mobile applications worldwide – always with a focus on the current needs of businesses and public institutions.

How to recover data from an encrypted harddisk on boot failure with Ubuntu 14.04

This document describes how to recover an encrypted harddisk in a failed boot device for Ubuntu 14.04 Server. This method will work for Ubuntu Desktop also. This is a very havoc situation when the distro fails to boot and we have our important data inside the distro. If the harddisk is not encrypted then we can easily retrieve our data with the help of live-cds or live-USB boot devices, but if the harddisk was encrypted then situation becomes little hectic. I will cover the topic for encrypted harddisk data retrieval from Ubuntu distros.

How To Install Contao CMS On Ubuntu 14.04

How To Install Contao CMS On Ubuntu 14.04

This document describes how to how you can install and run a Contao in Ubuntu 14.04. Contao is a highly flexible and scalable open source Content Management System (CMS) that works for websites of varying capacities. It is a top notch system that ensures implementation of ace accessibility and security, and high SEO standards. Contao remains a modular model and enables usage of loads of additional extensions for enhanced website functionality. Built using contemporary PHP object-oriented programming and the MooTools JavaScript framework, Contao promises a highly intuitive user interface thanks to the use of Ajax.

How To Install PIWIK On Ubuntu 14.04

How To Install PIWIK On Ubuntu 14.04

This document describes how to install and run a PIWIK in Ubuntu 14.04. PIWIK is a downloadable, Free (GPL licensed) web analytics software platform. It provides detailed reports on your website and its visitors, including the search engines and keywords they used, the language they speak, which pages they like, the files they download and so much more. PIWIK aims to be an open source alternative to Google Analytics. PIWIK is PHP MySQL software which you download and install on your own webserver. At the end of the 5-minute installation process you will be given a JavaScript tag. Simply copy and paste this tag on websites you wish to track (or use an existing plugin to do it automatically for you).

How to quickly get list of all applications installed on your UNIX/Linux machines

In this tutorial I’ll try to present how to quickly get the list of all applications installed on UNIX/Linux hosts. The procedure applies to the most popular UNIX/Linux distributions but is also applicable to windows hosts and some other hardware (e.g. firmware version on routers etc.). The procedure could help you track your software inventory and get notifications whenever users install/uninstall applications on their machines.

Installing Owncloud 7 (from source), PostgreSQL 9.3, PHP-FPM and NginX on Ubuntu Server 14.04 64 bit

Install ubuntu server 14.04 64 bit and at software selection choose OpenSSH Server only. In this way we’ll have ssh access to the server.  After reboot add nginx repository to /etc/apt/sources.list

Installation And Configuration Of  RainLoop Webmail Client With Nginx On Ubuntu 14.04

This document describes how to install and configure Rainloop on Ubuntu 14.04. We will use nginx as web server. Rainloop is a popular free Open Source Web Application primarily written in PHP. It offers users a swift and contemporary web interface for accessing emails on a majority of commonly used domain mail providers such as Outlook, Yahoo, and Gmail, in addition to local mail servers. Rainloop also doubles up as a Mail User Agent (MUA) by accessing domain mail via IMAP/ SMTP protocols. This tutorial explains the process of installing Rainloop Webmail on an Ubuntu 14.04 Virtual Private Server using Nginx and MariaDB.

How To Install Drupal On Ubuntu 14.04

How To Install Drupal On Ubuntu 14.04

This document describes how to install and configure Drupal on Ubuntu 14.04. Drupal is an open source content management platform powering millions of websites and applications. It’s built, used, and supported by an active and diverse community of people around the world.

Manage Yubikeys for LUKS encryption with privacyIDEA

Manage Yubikeys for LUKS encryption with privacyIDEA

So today we will show, how you can manage many yubikeys for many notebooks using privacyIDEA. privacyIDEA is an authentication system for two factor authentication – usually with OTP devices. In a recent version privacyIDEA started to not only answer authentication request, but it was also enhanced to be able to define client machines and add information, which authentication device could be used for an application on a client machine.