Free Linux Tutorials

Freeradius and MySQL

Software Requirements:

Any Linux distro, kernel 2.4xx-later(tested in CentOS,Fedora Core,RH)
MySQL Server 4.xx-5.xx
GCC compiler
vi editor

1.    Get the latest freeradius source code tarball from www.freeradius.org or get the rpm package using “yum”

2.    Unpack the tarball and install it.
#tar zxvf freeradius-xxx.tar.gz
#cd freeradius
#./configure
#make
#make install

3.    Start with a simple config using the standard text files, this will test if the Freeradius installed is working or not

a.    Edit /etc/raddb/clients.conf to enter the details of the NAS unit.You can enter “localhost” for testing purposes
b.    Edit /etc/raddb/users and create a sample user account

There are lots of operating system virtualization, you have the option to use an open source or a proprietary software depending on your needs,familiarization and most significantly, budget. People have several reasons why they use virtualization, and the most common is for testing purposes wherein they can test different configurations from different OS. Another reason is to security and consolidation, where they can save money and electricity.

Some of the popular open source linux virtualization softwares are OpenVZ, Xen, KVM and VirtualBox. You can also try proprietary softwares such as VMWare and Citrix XenServer, a commercial implementation of Xen.

* Setting up ftp via vsftpd in linux

The VSFTPD (Very Secure FTP Server Deamon) is one of the most commonly used FTP servers under Linux and comes with most Linux distributions.

This article will help you install and configure vsftpd in Linux. (sample OS used is a Red-hat based distribution)

GOALS:

* to create a secure ftp server
* to create an ftp user chrooted or jailed in a certain directory (sample use is an apache directory wherein you can limit users or your developers to just upload to a restricted folder)

QMAIL HOW TO

I.    Qmail Installation

A.    INSTALLATION

A.1. Software Pre-requisites
1. Linux Operating System
2.Apache Web Server
3.Perl –any version  of 5
4.GCC – the gcc compiler
5. wget – use for downloading installers
6. patch & patchutils -

Access to a domain name server (DNS) is highly recommended.

A.2  Download the source