Compiling and installing DenyHosts from source code on Centos 6.

[root@new denyhosts]# mkdir -p /root/Downloads/denyhosts
[root@new denyhosts]# cd $_
[root@new denyhosts]# wget http://downloads.sourceforge.net/project/denyhosts/denyhosts/2.6/DenyHosts-2.6.tar.gz?r=http%3A%2F%2Fsourceforge.net%2Fprojects%2Fdenyhosts%2Ffiles%2Fdenyhosts%2F&ts=1343373868&use_mirror=freefr
[root@new denyhosts]# tar xzf DenyHosts-2.6.tar.gz
[root@new denyhosts]# cd DenyHosts-2.6
[root@new denyhosts]# python setup.py install
[root@new denyhosts]# cd /usr/share/denyhosts/
[root@new denyhosts]# cp -a denyhosts.cfg-dist denyhosts.cfg
[root@new denyhosts]# vi denyhosts.cfg
[root@new denyhosts]# cp -a daemon-control-dist daemon-control
[root@new denyhosts]# chmod 700 daemon-control*
[root@new denyhosts]# cd /etc/init.d
[root@new denyhosts]# ln -a /usr/share/denyhosts/daemon-control denyhosts
[root@new denyhosts]# dir
[root@new denyhosts]# service denyhosts
[root@new denyhosts]# service denyhosts start
[root@new denyhosts]# chkconfig denyhosts on
[root@new denyhosts]# tail -a /etc/hosts.deny
[root@new denyhosts]# vi /etc/hosts.deny
[root@new denyhosts]# tail -a /etc/hosts.deny
[root@new denyhosts]# vi /etc/hosts.deny
[root@new denyhosts]# vi /etc/denyhosts.conf ; service denyhosts restart
[root@new denyhosts]# cd /usr/share/denyhosts/
[root@new denyhosts]# dir
[root@new denyhosts]# ln -a /usr/share/denyhosts/denyhosts.cfg /etc/denyhosts.conf
[root@new denyhosts]# vi /etc/denyhosts.conf ; service denyhosts restart

http://www.linuxvadapav.com/security/how-to-install-denyhosts-on-centos-5-x-ubuntu-rhel-fedora.html