Installing RKHunter on CentOS 5.x & 6.x

Steps to Installing RKHunter
#cd /usr/local/src
#wget http://nchc.dl.sourceforge.net/project/rkhunter/rkhunter/1.4.0/rkhunter-1.4.0.tar.gz
#tar -zxvf rkhunter-1.4.0.tar.gz
#cd rkhunter-1.4.0

#./installer.sh --layout default --install
#/usr/local/bin/rkhunter --update
#/usr/local/bin/rkhunter --propupd
#rm -Rf /usr/local/src/rkhunter*
#cd


Adding to Daily Cron

#vi /etc/cron.daily/rkhunter.sh


Add the Below text to rkhunter.sh

#!/bin/sh
(
/usr/local/bin/rkhunter --versioncheck
/usr/local/bin/rkhunter --update
/usr/local/bin/rkhunter --cronjob --report-warnings-only
) | /bin/mail -s 'rkhunter Daily Run (PutYourServerNameHere)' your@email.here


Chmod rkhunter.sh to root only

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

Error while installing CHKROOTKIT on CentOS 6

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

Fix:
yum install glibc-static

Install CHKROOTKIT on CentOS 5.x & 6.x

Steps to Install CHKROOTKIT on CentOS:

#cd /usr/local/src

#wget http://www.mediafire.com/download/9wj584qjffy9t25/chkrootkit.tar.gz

 or

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

#tar -zxvf chkrootkit.tar.gz
#mkdir /usr/local/chkrootkit
#mv /usr/local/src/chkrootkit*/* /usr/local/chkrootkit
#cd /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

Error in Named

Error:  /var/named/dynamic/managed-keys.bind.jnl: create: file not found  localhost named[17629]: managed-keys-zone ./IN: sync_keyzone:dns_journal_open -> unexpected error


Fix:
# mkdir /var/named/chroot/var/named/dynamic

# chown named:named /var/named/chroot/var/named/dynamic