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Linux GPRS/EDGE via Bluetooth HOWTO
In this guide I will show you howto configure internet access through GPRS/EDGE, using bluetooth connection with your GSM phone.
I am using gentoo and Nokia 6310i phone, but this will work with any distribution and any bluetooth capable phone.
[Debian Sarge] Installing A Bind9 Master/Slave DNS System
In this howto we will install 2 bind dns servers, one as the master and the other as a slave server. For security reasons we will chroot bind9 in its own jail.
How To Fight Spam Using Your Postfix Configuration
In this guide you will learn how to tweak the mail guide for Postfix (+Auth SMTP + Quota), http://www.howtoforge.com/virtual_postfix_mysql_quota_courier, setup to better combat SPAM and allow a little bit of backward compatibilty of the older Qmail systems.
Securing the CentOS Perfect Setup with Bastille
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 increased security and decreasing its susceptibility to compromise.
How To Monitor A System With Sysstat On Centos 4.3
A common task for System Administrators is to monitor and care for a server. That's fairly easy to do at a moment's notice, but how to keep a record of this information over time? One way to monitor your server is to use the Sysstat package.
Create Incremental Snapshot-style Backups With rSync And SSH
As neither human nor computers are perfect (humans err / computers may fail) it is quite obvious that a good backup system will prevent from too much damage once the computer may go down. This could be either because the harddrive is failing or because of hackers or because you accidentally deleted something important.
In this tutorial I will show you how to automate backups automatically in an incremental snapshot-style way by using rSync.
Security Testing your Apache Configuration with Nikto
By now you've got the perfect setup for your new Ubuntu 6.0.6 (Dapper Drake) box. You may have even followed the excellent Intrusion Detection and Prevention with BASE and Snort tutorial. And as an added precaution you installed DenyHosts to prevent hack attempts via ssh. But now that you've got your new LAMP server on the internet, how can you tell that your new web server is secure? You test it, of course!
Ubuntu LAMP Server With Torrentflux In VMware
This tutorial is meant for Linux newbies who want to try and build a Ubuntu Server box as a webserver and torrent client. It is a step by step instruction on how to do this in VMWare on Windows XP to get the feel of it. I wrote this after, being a Linux newbie myself, a lot of trial-and-error and googling. Hope this helps you!
Either with chkrootkit or with rkhunter.chkrootkit
Either install the package that comes with your distribution (on Debian you would run
apt-get install chkrootkit
), or download the sources from www.chkrootkit.org and install manually:
wget --passive-ftp ftp://ftp.pangeia.com.br/pub/seg/pac/chkrootkit.tar.gz
Afterwards, you can move the chkrootkit directory somewhere else, e.g. /usr/local/chkrootkit:
Network Management With OpenNMS
OpenNMS is an opensource enterprise network management tool. It helps network administrators to monitor critical services on remote machines and collects the information of remote nodes by using SNMP. OpenNMS has a very active community, where you can register yourself to discuss your problems. Normally openNMS installation and configuration takes time, but I have tried to cover the installation and configuration part in a few steps.