ClamAV 97.4 error while loading shared libraries

I installed ClamAV 0.97.4 on my Kubuntu system today, the installation went OK and no error were shown but when I tried to run virus scanning I got this error message:

Quote:   

clamscan: error while loading shared libraries: libclamav.so.6: cannot open shared object file: No such file or directory

   


A quick browse and found that the following fixed this:
Code:   

sudo ldconfig

   

20 Linux System Monitoring Tools Every SysAdmin Should Know

Very good article on some essential monitoring tools.

http://www.cyberciti.biz/tips/top-linux-monitoring-tools.html

iptables: Blocking attacking IP addresses

Excellent article on using iptables to block an attacking IP address.

http://www.cyberciti.biz/faq/linux-iptables-drop/

I needed to block a known russian SSH/SFTP hacker.

Code:   

iptables -A INPUT -s 91.205.189.27/255.255.255.255 -j DROP

   


Even better for automated blocking of attackers is denyhosts. DenyHosts is a script intended to be run by Linux system administrators to help thwart SSH server attacks (also known as dictionary based attacks and brute force attacks).

http://www.cyberciti.biz/faq/block-ssh-attacks-with-denyhosts/