Installing checkrootkit on Centos 5 and 6 servers

Steps to Install CHKROOTKIT on CentOS servers:

#cd /usr/local/src

#wget http://www.spenneberg.org/chkrootkit-mirror/files/chkrootkit.tar.gz

#tar -zxvf chkrootkit.tar.gz

#mv /usr/local/src/chkrootkit*/* /usr/local/chkrootkit
#make sense

Adding CHKROOTKIT to Daily Cron

#vi /etc/cron.daily/chkrootkit.sh

Add this text to the chkrootkit.sh file

#!/bin/sh
(
/usr/local/chkrootkit/chkrootkit
) | /bin/mail -s 'CHROOTKIT Daily Run (PutServerNameHere)' your@email.here

#chmod 700 /etc/cron.daily/chkrootkit.sh

If you get following error in Centos 6 server.

====

Error:

/usr/bin/ld: cannot find -lc
collect2: ld returned 1 exit status
make: *** [strings-static] Error 1

====

You can use the below command to fix it:

====

yum install glibc-static

====

Kool :)