Linux

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Searching For Files And Folders With The find Command

Searching For Files And Folders With The find Command

In this tutorial we'll look at the find command and how you can quickly use it to locate files in your filesystem. Find is a powerful utility capable of locating files anywhere on your system including mounted drives and removable storage, processing regular expressions, and even running other commands on those files. Fortunately only a few simple options are needed to provide most users with all the capability they need.

Never Forget To Turn Dansguardian Back On After A Cyberspacejaywalk

Never Forget To Turn Dansguardian Back On After A Cyberspacejaywalk

Dansguardian is the leading free keyword blocker on Linux systems and it uses this method known as a weighed keyword score. Now, people who use or administer a web content filter know very well that there are situations when a filter accidentally blocks an acceptable site or even an unreviewed site. The simple solution is often to turn off filtering completely.  Then it is of paramount importance that when this unrestricted cyberspacewalk ends, the administrator must turn Dansguardian back on!! But what if they forget?

How To Add WiKID Two-Factor Authentication To OpenVPN Community On Ubuntu 13.04

How To Add WiKID Two-Factor Authentication To OpenVPN Community On Ubuntu 13.04

These instructions describe setting up two-factor authentication with WiKID Strong Authentication, which is a commercial/open source two-factor authentication system and OpenVPN, an SSL-encrypted VPN, on an Ubuntu 13.04 Linux server using the Radius Pluggable Authentication Module. First, we will configure PAM to use Radius, then we will configure OpenVPN to use PAM and one-time passwords, then we will create a network client on the WiKID server for OpenVPN. We won't go into specifics about installing these services, rather we will focus on configuring them to all work together.

Setting Up A Subversion Repository On Linux

Setting Up A Subversion Repository On Linux

In this tutorial I'll explain how to setup a subversion repository for PHP Javascript development. The SVN repository will be used by multiple users using an SSH key to logon to the server. All users will use the svn system user but we'll use the SSH key to identify the user. A pre-commit hook will be used to validate the PHP and Javascript to comply with coding rules.

Securing SSH On Ubuntu Precise With WiKID Two-Factor Authentication

Securing SSH On Ubuntu Precise 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. In this document we are going to demonstrate how to combine two-factor authentication from WiKID on Ubuntu. This document will also serve as the basis for additional tutorials because many services on Linux use PAM for authentication.

How To Configure Apache To Use Radius For WiKID Two-Factor Authentication On Ubuntu

How To Configure Apache To Use Radius For WiKID Two-Factor Authentication On Ubuntu

This document describes how to add WiKID two-factor authentication to Apache 2.x using mod_auth_radius on Ubuntu 12.04 Precise. It is recommended that you consider using mutual https authentication for web applications that are worthy of two-factor authentication. Strong mutual authentication means that the targeted website is authenticated to the user in some cryptographically secure manner, thwarting most man-in-the-middle attacks. The use of cryptography is key. While some sites use an image in an attempt to validate a server, it should be noted that any man-in-the-middle could simply replay such an image.

Install Piwigo Gallery On Nginx With Debian Wheezy

Install Piwigo Gallery On Nginx With Debian Wheezy

This tutorial shows how you can install and run a piwigo gallery site with nginx, configured for vhosts, on a Debian Wheezy system. Piwigo is a gallery-website with many plugins. In this sample we configure the vhost "gallery.domain.tld".

How To Run Your Own Web SMS Portal With PointSMS

How To Run Your Own Web SMS Portal With PointSMS

This tutorial will show you how you can set up an SMS web site on CentOS using PointSMS.

Virtualization With KVM On A Scientific Linux 6.3 Server

Virtualization With KVM On A Scientific Linux 6.3 Server

This guide explains how you can install and use KVM for creating and running virtual machines on a Scientific Linux 6.3 server. I will show how to create image-based virtual machines and also virtual machines that use a logical volume (LVM). KVM is short for Kernel-based Virtual Machine and makes use of hardware virtualization, i.e., you need a CPU that supports hardware virtualization, e.g. Intel VT or AMD-V.

Installing Nginx With PHP5 (And PHP-FPM) And MySQL Support On Scientific Linux 6.3

Installing Nginx With PHP5 (And PHP-FPM) And MySQL Support On Scientific Linux 6.3

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 Scientific Linux 6.3 server with PHP5 support (through PHP-FPM) and MySQL support.

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