How to install Chkrootkit

Firstly login to the shell and go to the desired location where the installation file has to be downloaded.

root@amaziah [~]# cd /usr/local/src

Now download Chkrootkit

# wget ftp://ftp.pangeia.com.br/pub/seg/pac/chkrootkit.tar.gz

Unpack the file that you just have downloaded

# tar -xzvf  chkrootkit.tar.gz

Now do the following,

# cd chkrootkit-*

# make sense

We have finished the installation process. You scan the server by

# ./chkrootkit

Now we can set a daily cronjob  to scan the server and send the report to your mail id

# crontab -e

Add the following line

0 1 * * * (cd /usr/local/src/chkrootkit*; ./chkrootkit 2>&1 | mail -s “chkrootkit output” email@domain.com)