If you get following error while running webalizer updater :Error: Unable to lock DNS cache file /usr/local/psa/var/webalizer.cachethen do as follows: rm -f /usr/local/psa/var/webalizer.cachetouch /usr/local/psa/var/webalizer.cachechown root:root /usr/local/psa/var/webalizer.cachechmod 644 /usr/local/psa/var/webalizer.cachestat /usr/local/psa/var/webalizer.cache