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.

How To Install ownCloud 7 On Ubuntu 14.04

How To Install ownCloud 7 On Ubuntu 14.04

This document describes how to install and configure ownCloud 7 on Ubuntu 14.04. I will also connect to the ownCloud Server’s data with another Ubuntu 14.04 Desktop and a Windows 7 machine. ownCloud provides access to your data through a web interface or WebDAV while providing a platform to easily view, sync and share across devices—all under your control. ownCloud’s open architecture is extensible via a simple but powerful API for applications and plugins and works with any storage.

Secure WordPress Login With Two Factor Authentication Using privacyIDEA

WordPress is THE widely spread blogging system that is not only used for private blog sites but sometimes also as CMS for company web sites. WordPress is very good maintened and easy to update. But as it is so widely used, it is also an intersting goal for crackers (avoiding to say hackers).  This is why today I will tell you how to secure the wordpress accounts with a second factor for OTP authentication.

An anonymous reader writes VolksPC who developed MicroXwin as a lightweight X Window Server has come up with their own Linux distribution. Setting apart VolksPC’s distribution from others is that it’s based on both Debian and Android and has the capability to run Debian/Ubuntu/Android apps together in a native ARM experience. The implementation doesn’t depend on VNC or other similar solutions of the past that have tried to join desktop apps with mobile Android apps. This distribution is also reportedly compatible with all Android applications. The distribution is expected to begin shipping on an ARM mini-PC stick.

Read more of this story at Slashdot.




Two factor authentication with Yubikey for harddisk encryption with LUKS

The yubikey is a cool device that is around for a while and several of us know it and love it. It is a device that is recognizes as a USB HID device and can emit one time passwords on a button press.

Quite for a while the yubikey supports a challenge response mode, where the computer can send a challenge to the yubikey and the yubikey will answer with a response, that is calculated using HMAC-SHA1.

How To Install And Use SVN With Apache dav_svn On Ubuntu 14.04

How to Install and Use SVN with apache dav_svn on Ubuntu 14.04

This tutorial explains the process of installing and using SVN on Ubuntu 14.04 as per steps outlined below. Subversion is a popular open source version control system that enables users to record the history of source files and documents, and manage files and directories over a period of time. It is akin to a tree of files being placed into a central repository on the lines of a regular file server, barring that each modification made to these files and directories is always remembered.

Chrome Remote Desktop Sharing feature in Ubuntu

In this tutorial I will introduce you with the Chrome remote Desktop sharing feature. This is an alternate as similar to team-viewer type property for sharing the screen with remote clients. It seems to be very useful for remote desktop control features. I will install the webplugin in Ubuntu 14.04.

How to install GlusterFS with a replicated volume over 2 nodes on Ubuntu 14.04

In this tutorial I will explain GlusterFS configuration in Ubuntu 14.04. GlusterFS is an open source distributed file system which provides easy replication over multiple storage nodes. Gluster File System is a distributed filesystem allowing you to create a single volume of storage which spans multiple disks, multiple machines and even multiple data centres.

Contacts and events everywhere – successful syncing between thunderbird and android with Baikal

I got a new Android phone lately and was wondering how to handle my life. New phone, new chances, new life ;-)

I have a lots of contacts. I used to store addresses in an openLDAP server, but I found these hard to manage especially since Ubuntu 14.04 does not ship “luma” anymore! I used to run radicale, but I did not manage to fix my sync-performance issues.

How to configure an NFS server and mount NFS shares on Ubuntu 14.04

Network File System (NFS) is a popular distributed filesystem protocol that enables users to mount remote directories on their server. The system lets you leverage storage space in a different location and write onto the same space from multiple servers in an effortless manner. It, thus, works fairly well for directories that users need to access frequently. This tutorial explains the process of mounting NFS share on an Ubuntu 14.04 server in an simple and easy-to-follow steps.

Securing X2Go On Ubuntu Precise With WiKID Two-Factor Authentication

In this document we are going to demonstrate how to implement two-factor authentication from WiKID for remote desktop on an Ubuntu 12.04 server using X2Go.

Manage Linux Containers with Docker on Ubuntu

Manage Linux Containers with Docker on Ubuntu

This guide explains how to install Docker and manage virtual machines effectively. Docker is a Open Source Linux virtualistaion platform for developers and system administrators to build, deploy, and execute distributed applications easily. Docker consists of the Docker Engine, a light runtime and virtualisation layer, tools to package and version virtual machines similar to a sourcecode repository and Docker Hub, a service in the cloud to share applications and automate workflow. Docker allows applications quickly assembled from components and eliminates friction between development environments, quality control and production.

Thunderbird Email Encryption with GnuPG2

Thunderbird Email Encryption with GnuPG2

This tutorial describes the configuration of Thunderbird and GnuPG2 to send and receive encrypted email.