ClamAV is the most popular antivirus software on the Linux platform. As free and open-source software, ClamAV supports multiple platforms, including Linux/Unix, MAC OS X, Windows, and OpenVMS.
1. Installation and Configuration
useradd clamav # Add user
wget http://mirror.cnop.net/security/clamav-0.99.2.tar.gz
tar zxvf clamav-0.99.2.tar.gz
cd clamav-0.99.2
./configure –prefix=/usr/local/clamav –disable-clamav
make & make install
whereis clamav # Check if the installation is successful
Configuration:
mkdir /usr/local/clamav/logs (Log directory)
touch /usr/local/clamav/logs/clamd.log
touch /usr/local/clamav/logs/freshclam.log
mkdir /usr/local/clamav/updata (ClamAV virus database directory)
chown -R clamav.clamav /usr/local/clamav/
chown -R clamav.clamav /usr/local/clamav/updata/
chown clamav.clamav /usr/local/clamav/logs/clamd.log
chown clamav.clamav /usr/local/clamav/logs/freshclam.log
cd /usr/local/clamav/etc
cp clamd.conf.sample clamd.conf
cp freshclam.conf.sample freshclam.conf
vim clamd.conf
#Example Comment out this line.
LogFile /usr/local/clamav/logs/clamd.log
PidFile /usr/local/clamav/updata/clamd.pid
DatabaseDirectory /usr/local/clamav/updata
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim freshclam.conf
#Example Comment out this line.
DatabaseDirectory /usr/local/clamav/updata
UpdateLogFile /usr/local/clamav/logs/freshclam.log
PidFile /usr/local/clamav/updata/freshclam.pid
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Update Virus Database
/usr/local/clamav/bin/freshclam
2. Usage
/usr/local/clamav/bin/clamscan -r /home/jjzb/vol1/tomee # Scan the directory recursively