When adding an email forwarder you may see an error like this: Fatal! Write Failure: /etc/valiases/thecpaneladmin.com. Ignore any messages of success this can only result in failure! To fix this, run (replace user with username and domain with the domain name) chown user:mail /etc/valiases/domain.com chmod 644 /etc/valiases/domain.com…
Read moreI recently saw an issue on one of our servers where we were trying to enable Zend Optimizer and IonCube Loaders, but they just won’t show up on a phpinfo page despite showing up via command line: -bash-3.2# php -v PHP 4.4.9 (cli) (built: May 4 2010 13:55:07) Copyright (c) 1997-2008 The PHP Group Zend…
Read moreOne of the servers here at work was giving a 500 Internal Server error whenever a PHP page was loaded. Among the various things that can cause this error when you’re running PHP in CGI mode (suPHP), this error showing up in the Apache log was most unusual. Turns out it’s due to the suphp…
Read moreIn your Exim logs you may see errors like this: Warning: ACL “warn” statement skipped: condition test deferred: ratelimit database not available temporarily rejected connection in ?connect? ACL: ratelimit database not available This likely means the Exim cache databases are corrupted. You can clear them by running: rm -fv /var/spool/exim/db/* Then restart Exim. The files…
Read moreIn cPanel 11.25, you may be seeing errors like this in /var/log/exim_paniclog: 2010-04-15 12:33:27 failed to expand condition “${if exists {$home/etc/$domain/quota}{${if > {${lookup{$local_part}lsearch{$home/etc/$domain/quota}{$value}{0}}}{0}{${if eq {${if exists {$home/mail/$domain/$local_part/maildirsize}{1}{0}}}{0}{${if > {${run {/usr/local/cpanel/bin/eximwrap GETDISKUSED $local_part $domain}}}{${lookup{$local_part}lsearch{$home/etc/$domain/quota}{$value}{0}}}{true}{false}}}{${perl{checkuserquota}{$domain}{$local_part}{$message_size}{${lookup{$local_part}lsearch{$home/etc/$domain/quota}{$value}}}{$home/mail/$domain/$local_part/maildirsize}}}}}{false}}}{false}}” for virtual_user_maildir_overquota router: absolute value of integer “10485760000” is too large (overflow) To fix this, run : /scripts/reset_mail_quotas_to_sane_values –force –confirm –verbose…
Read moreThere are three ways to change a site’s IP address on a cPanel server: Via WHM: Go to WHM > Change site’s IP Address , select the account, then select the IP Via Command Line: /usr/local/cpanel/bin/setsiteip -u $user $ip Manually: (This is also useful for changing the IP address of a single domain in an…
Read moreWhen you upgrade from cPanel 11.24 to 11.25, your users may notice that in cPanel, their MySQL databases show 0MB of disk space used, when they know their databases are much larger. This is due to an option in cPanel that you specifically have to enable. To enable MySQL disk usage tracking: 1) Edit /var/cpanel/cpanel.config…
Read moreCpanel has a lot of supporting software that you may be using on your server. In case something goes amiss, here is a list of scripts that reinstall cpanel-provided software on your system. For most all of these, you can pass a –force as an argument to force a reinstall of the application. Update: Most…
Read moreEnabling Dovecot You can convert a server from cppop or Courier IMAP to dovecot by running the following command: /scripts/setupmailserver dovecot Configuring Dovecot Most relevant configurations can be made via WHM > Mailserver Configuration, but you can also change these via the config templates. You generally have to save the config via WHM at…
Read moreMaildir (run by Courier IMAP or Dovecot) is a mail format used in conjunction with an MTA to store email on the server as separate files within folders. This post covers Courier IMAP as a service, not in terms of mail client usage. Directory Structure A user’s email is store in ”’/home/user/mail/<domain>/<emailuser>/…”’. Below is a…
Read more