Posted on Sun 24 April 2011 in CentOS • Tagged with CentOS, network
In Linux you can add additional network IP's to a network interface with aliases.
Your first interface name looks something like etho. If you add more additional addresses your alias will look some thing like eth0:0 for the first one and eht0:1 for the second and so on …
CentOS 5.6 was released and I updated nearly all of my CentOS machines to the new version. Up to now only one machine made some smaller problems and needs some love to work like it did before the update.
The procedure is quite simple if your are on CentOS …
Posted on Tue 19 April 2011 in CentOS • Tagged with CentOS, KVM
How to install KVM virtualization technologie on CentOS 5.4. This Howto explains step by step how to install KVM and how to create a VirtualMachine using Virtual Manager GUI.
Before you install KVM you need to verify that your CPU is compatible.
One of the following keywords needs to …
Posted on Tue 19 April 2011 in CentOS • Tagged with CentOS, Nagios
Install CentOS 5.3 using the Server template.
After you installed the system log in as root and run update the system:
yum update
If the kernel was updated reboot the system.
reboot
Posted on Tue 19 April 2011 in CentOS • Tagged with CentOS, Java, JDK
1. Download SUN or now Oracle JDK (.rpm.bin format) from Oracle Website: http://www.oracle.com/technetwork/java/javase/downloads/index.html
chmod +x <file>.rpm.bin
./<file>.rpm.bin
alternatives --install /usr/bin/java …
Posted on Tue 19 April 2011 in CentOS • Tagged with CentOS, PostgreSQL
This tutorial explains how to install PostgreSQL from the official PostgreSQL repository. This method allows you to install newer versions of PostgreSQL for example 9.0 if you need the newest cluster functionality delivered with upcoming PostgreSQL 9.1 you need to build the software manual as long as there …
How to update CentOS 5.3 to CentOS 5.4
It's done.
CentOS 5.4 was released on 22. Oct 2009
If you wan to update, first verify there are no known problems or version conflicts with your software.
Be sure you have a backup and take a snapshot if …
Posted on Tue 19 April 2011 in CentOS • Tagged with CentOS, ntop
Install rpmforge repository: http://wiki.centos.org/AdditionalResources/Repositories/RPMForge
There is an ntop rpm in the rpmforge repository:
yum install ntop
There is a bug in the /etc/init.d/ntop startscript we need to fix. Open the file in your favorite editor for example vim:
vim /etc/init …
If you want to be sure all security updates are installed automatic you can use yum-cron. Be sure you have configured your yum correctly not to update wrong things from different repositories.
yum install yum-cron
chkconfig --levels 35 yum-cron on
service …
Posted on Tue 19 April 2011 in misc • Tagged with CentOS, KVM
Howto setup a bridge device on CentOS or Fedora.
If you need to bring your KVM VM's into the same local area network like your host is in you need to configure a bridge device.
Install all needed packages:
yum install bridge-utils
yum install tunctl
Disable NetworkManager and enable network …