I’ve been testing out a few virtualization systems and am sofar very pleased with Xen. Installing on Debian Etch couldn’t be easier and it worked straight out the box – I had my first virtual server running in under 15 minutes flat! Use the following commands to install Xen on a Debian Etch machine: apt-get [...]
Icinga is an enterprise grade open source monitoring system which keeps watch over networks and any conceivable network resource, notifies the user of errors and recoveries and generates performance data for reporting. It is a fork of Nagios. This tutorial explains how to serve the Icinga Web interface from an nginx server on Debian Wheezy/Ubuntu [...]
1. Overview This tutorial will show you how to create a queue, where your incoming calls to arrive. Noting so special, but we are also going to show you how to give a choice to the callers – they will be able to leave the queue at any time and in our example they will [...]
mod_slotlimit is an Apache module that using dynamic slot allocation algorithm and static rules, can manage resources used for each running site. 1. Installation In order to compile mod_slotlimit, you will need to have apxs2 (APache eXtension tool) installed and configured with Apache. The follow command will install it: apt-get install apache2-prefork-dev Now we [...]
I am not going to ramble on about what host based intrusion detection is or why to use it, as there are plenty of articles already covering those subjects. This article is just to show you how to get Samhain up and running in a client / server configuration with a couple bells and whistles [...]
Q. How do I Move or migrate user accounts to from old Linux server a new Cent OS Linux server including mails? This new system a fresh installation. A. You can migrate users from old Linux server to new Linux sever with standard commands such as tar, awk, scp and others. This is also useful [...]
This HowTo will describe the setup of an efficient http server and mail server for small or medium configurations (as low as 96 mb). So this config is ideal for a small VPS. You can find a good choice of cheap and performant VPS (XEN) at x|encon, a german hosting company. they provide many scalable [...]
The instruction mentioned below only applies to Debian and Ubuntu Linux. I am going to document following things: => Install lighttpd => Prepare the file system for the jail => Run FastCGI PHP and MySQL from the jail => Add Perl support to the jail => Take care of sendmail => Run multiple domains (virtual [...]
I use ADSL at home via ISP modem. As soon as my eth0 comes up I would like to have my firewall script get executed and setup the iptables firewall rules for me. Earlier, I used to type the command /root/fs.dsl.start via the sudo command. However, while reading the man page of interfaces command I [...]
Here is small script that does this. Debian or Ubuntu GNU/Linux does not comes with any SYS V init script (located in /etc/init.d directory) . You create a script as follows and use it to stop or flush the iptables rules. Please don’t type rules at command prompt. Use the script to speed up work. [...]
