This tutorial describes how to set up MySQL master-master replication. We need to replicate MySQL servers to achieve high-availability (HA). In my case I need two masters that are synchronized with each other so that if one of them drops down, other could take over and no...
created by hausmasta | 3 years ago 325 views | 0 recommendations | 0 comments
MagpieRSS, affectionately known as Magpie, is an RSS and Atom parser for PHP. It allows you to display the newest articles from websites with RSS or Atom feeds on your own site. This is a great way to add new, fresh, and relevant information to your site. It parses RSS 0.9,...
created by hausmasta | 3 years ago 512 views | 0 recommendations | 0 comments
This tutorial shows how to install and configure the Zenoss network monitoring tool on a Ubuntu 6.06 system. Zenoss is a free open-source tool that allows you to monitor servers, applications, networks, power, etc. regarding their configuration, availability, and performance....
created by hausmasta | 3 years ago 878 views | 0 recommendations | 0 comments
This guide describes how to back up and recover your MySQL databases with mysql-zrm on a Debian Sarge system. mysql-zrm is short for Zmanda Recovery Manager for MySQL, it is a new tool that lets you create full logical or raw backups of your databases (regardless of your...
created by hausmasta | 3 years ago 439 views | 0 recommendations | 0 comments
The goal of this howto is building an NFS server that works on an SSH tunnel. This way all traffic between your hosts and the file server is encrypted and thus more secure. Normally you should enter a password every time you try to establish an SSH connection but since we...
created by hausmasta | 3 years ago 416 views | 0 recommendations | 0 comments
This tutorial describes how to set up a DHCP server (ISC-DHCP) for your local network. DHCP is short for "Dynamic Host Configuration Protocol", it's a protocol that handles the assignment of IP addresses, subnet masks, default routers, and other IP parameters to...
created by hausmasta | 3 years ago 431 views | 0 recommendations | 0 comments
This article shows how to install and run OSSEC HIDS, an Open Source Host-based Intrusion Detection System. It performs log analysis, integrity checking, rootkit detection, time-based alerting and active response. It helps you detect attacks, software misuse, policy...
created by hausmasta | 3 years ago 245 views | 0 recommendations | 0 comments
In this guide you will learn how to tweak your Postfix/Amavisd setup to give better virus protection. If you want to achieve business grade virus protection you need to do a few small things so that there is less chance of the latest greatest script kiddie invention getting...
created by hausmasta | 3 years ago 346 views | 0 recommendations | 0 comments
This howto will illustrate a way to install and configure Subversion and websvn on a Debian server. With Subversion you have a powerful version control system for your software development, and websvn is an easy-to-use webinterface to your SVN repositories written in...
created by hausmasta | 3 years ago 561 views | 0 recommendations | 0 comments
This document describes how to install a mail server with Postfix that is based on virtual users and domains, i.e. users and domains that are in a MySQL database. I will also demonstrate the installation and configuration of Courier (Courier-POP3, Courier-IMAP), so that...
created by hausmasta | 3 years ago 392 views | 0 recommendations | 0 comments
In this guide you will learn how to tweak your virtual Postfix setup to better combat SPAM by stopping the mail before it hits SpamAssassin, using RBL (Realtime Blacklists) and RHBL (slightly different), greylistings and Helo...
created by hausmasta | 3 years ago 260 views | 0 recommendations | 0 comments
This howto will show you how to store your users in LDAP and authenticate some of the services against it. It will not show how to install particular packages, as it is distribution/system dependant, instead it will focus on pure configuration of all componenets needed to...
created by hausmasta | 3 years ago 442 views | 0 recommendations | 0 comments
This guide shows how to configure internet access through GPRS/EDGE, using bluetooth connection with your GSM phone. The article is using gentoo and Nokia 6310i phone, but this will work with any distribution and any bluetooth capable...
created by hausmasta | 3 years ago 535 views | 0 recommendations | 0 comments
In this tutorial two Bind DNS servers will be installed, one as the master and the other as a slave server. For security reasons Bind9 will be chrooted in its own jail. Using two servers for a domain is a commonly used setup and in order to host your own domain you are...
created by hausmasta | 3 years ago 1167 views | 0 recommendations | 0 comments
This article shows how to secure a CentOS server using psad, Bastille, and some other tweaks. psad is a tool that helps detect port scans and other suspicious traffic, and the Bastille hardening program locks down an operating system, proactively configuring the system for...
created by hausmasta | 3 years ago 540 views | 0 recommendations | 0 comments