Some times , weblizer doesn’t update automatically. You have to update manually update it. Follow the below steps to update manually update webalizer.
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/usr/local/cPanel/3rdparty/bin/english/webalizer -N 10 -D
/home/username/tmp/webalizer/dns_cache.db -R 250 -p -n domain.com -o
/home/username/tmp/webalizer
/usr/local/apache/domlogs/domain.com
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Replace username and domain name of your hosting account.