Linux

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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 Joomla on CentOS 7

How To Install Joomla on CentOS 7

This document describes how to install and configure Joomla on CentOS 7. 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. It uses a PHP application, in addition to a back-end database like MySQL. Joomla was created in 2005, and boasts of more than 10,000 add-ons for customized functionality-no wonder than that it remains the second most popular virtual content management site. This tutorial explains the process of installing Joomla on CentOS 7.0 in the form of a simple-to-follow guide.

Hybrid RAID 1 (Mirror) of RAM drive & SATA HDD Using LVM with LUKS [and systemd unit file] on Fedora Linux

Hybrid RAID 1 (Mirror) of RAM drive & SATA HDD Using LVM with LUKS [and systemd unit file] on Fedora Linux

The IT industry has a continual balance between security and usability. Within this balance, performance usually affects usability. In the realm of protecting "Data at Rest" (i.e. encryption) one may find three factors affecting performance, and therefore usabilty: The harddrive, CPU and RAM. Of these, the harddrive will always prove to be a bottleneck (yes, even with an SDD).

Free Software has a rather elegant solution for protecting Data at Rest, called Linux Unified Key Setup (LUKS). In the spirit of "Freedom 0: The freedom to run the program for any purpose." please enjoy my contribution to our collective knowledgebase of a solution to the fascinating problem of "how can we speed up encyption"?

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

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.

How To Install SVN With Apache dav_svn On CentOS 7

How To Install SVN With Apache dav_svn On CentOS 7

Apache Subversion, which is commonly referred to in its abbreviated form as SVN, (named after the command name SVN) is a popular software versioning and revision control system which is distributed as a free software under the Apache License. Outlined below are the steps in the process of installing and using of SVN and mod_dav_svn on CentOS 7

How to configure pam-radius for WiKID Two-factor Authentication on Centos 7

Securing SSH On Centos 7 With WiKID Two-Factor Authentication

SSH offers a highly secure channel for remote administration of servers. However, if you face an audit for regulatory or business requirements, such as Visa/Mastercard PCI, you need to be aware of some potential authentication related short-comings that may cause headaches in an audit.

How To Install Nginx With PHP And MySQL (LEMP Stack) On CentOS 7

How To Install Nginx With PHP And MySQL (LEMP Stack) On CentOS 7

Nginx (pronounced "engine x") is a free, open-source, high-performance HTTP server. Nginx is known for its stability, rich feature set, simple configuration, and low resource consumption. This tutorial shows how you can install Nginx on a CentOS 6.5 server with PHP support (through PHP-FPM) and MySQL (Mariadb) support.

Two factor authentication with Yubikey for harddisk encryption with LUKS

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.

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