September 3, 2010

How to check a CentOS ISO checksum

When you download a CentOS DVD ISO file (for example: http://iso.linuxquestions.org/download/1274/2996/ftp/mirror.its.uidaho.edu/CentOS-5.5-i386-bin-DVD.iso), it can be helpful to check the files checksum against the download list to confirm the integrity of the...

August 30, 2010

Install Fail2Ban on CentOS 5.5

The installation process for Fail2Ban (a brute force protection application) on CentOS 5.5. is as follows – Login to your server as root, then: wget http://downloads.sourceforge.net/project/fail2ban/fail2ban-stable/fail2ban-0.8.4/fail2ban-0.8.4.tar.bz2?use_mirror=transact tar -xf fail2ban-0.8.4.tar.bz2 cd...