How to Clear cPanel Server logs ?

You can empty cPanel servers logs by using following commands

Login into server as root

root@server[#]vi logs

echo > /usr/local/apache/logs/error_log
echo > /usr/local/apache/logs/access_log
echo > /usr/local/apache/logs/access_log
echo > /usr/local/apache/logs/error_log
echo > /usr/local/cpanel/logs/access_log
echo > /usr/local/cpanel/logs/error_log
echo > /var/log/exim_mainlog
echo > /var/log/exim_rejectlog
echo > /var/log/maillog
echo > /var/log/messages
echo > /var/log/messages.1
echo > /var/log/maillog.1

:wq!

root@server[#]chmod 755 logs

root@server[#]./logs

It will empty all logs present on your server.

Thanks