Step 1. First add yum repository your system.
The EPEL repo is enabled by simply installing an RPM. Please use the command below to install the EPEL repository on your CentOS server.
#CentOS 6 – 32-bit
rpm -Uvh http://mirror.overthewire.com.au/pub/epel/6/i386/epel-release-6-8.noarch.rpm
#CentOS 6 – 64-bit
rpm -Uvh http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
Step 2. Install required ClamAV packages.
yum install clamav clamd
Step 3. Start the clamd service on system boot.
