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Server Monitoring With munin And monit On CentOS 5.2
In this article I will describe how you can monitor your CentOS 5.2 server with munin and monit. munin produces nifty little graphics about nearly every aspect of your server (load average, memory usage, CPU usage, MySQL throughput, eth0 traffic, etc.) without much configuration, whereas monit checks the availability of services like Apache, MySQL, Postfix and takes the appropriate action such as a restart if it finds a service is not behaving as expected. The combination of the two gives you full monitoring: graphics that lets you recognize current or upcoming problems (like "We need a bigger server soon, our load average is increasing rapidly."), and a watchdog that ensures the availability of the monitored services.
Managing OpenVZ With The Vtonf Control Panel On CentOS 5.2
Vtonf is a free web-based control panel (released under the GPL license) for managing virtual private servers (VPS) based on OpenVZ. It makes it very easy to create and manage OpenVZ VMs even for people with little technical knowledge. Right now, Vtonf is available only for RedHat, Fedora, and CentOS (support for Debian is planned), therefore I describe its installation and usage on a CentOS 5.2 server.
Samba + Clamd + Samba-Vscan On CentOS 5.2
This is a howto on getting samba + clamav + samba-vscan to work on a CentOS 5.2 system.
VBoxHeadless - Running Virtual Machines With VirtualBox 2.0 On A Headless CentOS 5.2 Server
This guide explains how you can run virtual machines with Sun xVM VirtualBox 2.0 on a headless CentOS 5.2 server. Normally you use the VirtualBox GUI to manage your virtual machines, but a server does not have a desktop environment. Fortunately, VirtualBox comes with a tool called VBoxHeadless that allows you to connect to the virtual machines over a remote desktop connection, so there's no need for the VirtualBox GUI.
Anonymous Proxy Using SQUID 3 On CentOS 5.x
This howto describes step by step a method to install a SQUID 3 server as an Anonymous Proxy. An anonymous proxy is a tool that attempts to make activity on the Internet untraceable. It accesses the Internet on the user's behalf, protecting personal information by hiding the source computer's identifying information. Simply say to hide your IP.
Installing Xen On CentOS 5.2 (i386)
This tutorial provides step-by-step instructions on how to install Xen (version 3.0.3) on a CentOS 5.2 system (i386). Xen lets you create guest operating systems (*nix operating systems like Linux and FreeBSD), so called "virtual machines" or domUs, under a host operating system (dom0). Using Xen you can separate your applications into different virtual machines that are totally independent from each other (e.g. a virtual machine for a mail server, a virtual machine for a high-traffic web site, another virtual machine that serves your customers' web sites, a virtual machine for DNS, etc.), but still use the same hardware. This saves money, and what is even more important, it's more secure. If the virtual machine of your DNS server gets hacked, it has no effect on your other virtual machines. Plus, you can move virtual machines from one Xen server to the next one.
Capture Sound With Audacity On CentOS 5.x
There are times when you need to save sounds playing over the web. This tutorial shows you how you can use Audacity to capture sound on CentOS 5.x. Of course, there are many other ways to capture sound, but this just works for me. As usual, no responsibilities are taken if anything goes awry at your end.
How To Install Intel Pro Wireless 3945 On CentOS Linux
In this tutorial, I will guide you through the necessary steps to install ipw3945 wireless adapter on a CentOS / RHEL based distribution.It is written for CentOS 5.2. However, it might work on other CentOS 5.x based distributions as well.
The Perfect Server - CentOS 5.2 x86_64
This tutorial shows how to set up a CentOS 5.2 server for x86_64 platforms that offers all services needed by ISPs and web hosters: Apache web server (SSL-capable), Postfix mail server with SMTP-AUTH and TLS, BIND DNS server, Proftpd FTP server, MySQL server, Dovecot POP3/IMAP, Quota, Firewall, etc. This tutorial is written for the 64-bit version of CentOS 5.2.
Create CentOS 5.2 Domu on Ubuntu Hardy Dom0
This tutorial provides step-by-step instructions on how to install Images of xen on an Ubuntu Hardy Heron (Ubuntu 8.04) server system (i386). Linux distributions that can run as Xen guests out of the box, obviating the need to create your own custom filesystems. The filesystems on jailtime.org have already been tweaked to deal with Xen’s idiosyncracies, and are also designed to be lightweight and minimally divergent from the original distribution.
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