http://www.geek.ro Just another sysadmin weblog Mon, 10 Oct 2011 10:36:41 +0000 http://backend.userland.com/rss092 en Webmaster : hey dude  how can I prevent receicing to my webmaster account 5k spam emails every day? Sysadmin: fixed that Sysadmin: I removed your account Sysamdin: 0 spam from now on Webmaster: LOL!!! Webmaster: removed my account? Webmaster: what du mean Webmaster: now I have no more email? Sysadmin: well yea, but zero spam Sysadmin: so its cool Webmaster: ... http://www.geek.ro/2011/bofh-style/ Spent a few hours debugging this error and it seems transvhosts.pl breaks some things when trying to change the vhosts directory. Some things you need to check: check /etc/psa/psa.conf  for HTTPD_VHOSTS_D and make sure the path doesn't contain a trailing slash. check the hosting,smb_apsProvisionEnvironments,subdomains, sys_users tables in the psa database and make sure ... http://www.geek.ro/2011/pleskfatalexception-out-of-webspace-in-webspacephp/ Once you put a blog up you will be the target of many link spammers looking for link juice. You can add a series of plugins to prevent them from clogging your database but if you're lazy like me you can delete them once in a while using a simple sql ... http://www.geek.ro/2010/how-to-delete-spam-comments-from-wordpress/ SpamAssassin and greylisting are great tools for reducing the amount of spam thats cluttering our mailboxes, however theres always those false positives that in a business environment can become quite critical. One of the ways to improve the delivery of important emails is to create whitelists, respectively blacklists, to make sure ... http://www.geek.ro/2010/how-to-setup-whitelists-and-blacklists-with-maildrop/ PHP makes lazy programmers. I don't want to turn this into a bashing post but as a sysadmin I've come across a lot of misbehaving scripts that are slowing my servers down to a halt. The general acceptance is that not the language makes bad code but the programmer, which ... http://www.geek.ro/2009/learn-how-to-count/ I found this error cluttering my system logs: May 26 06:39:16 zeus amavis[10981]: (10981-04) NOTICE: reconnecting in response to: err=2006, HY000, DBD::mysql::st execute failed: MySQL server has gone away at (eval 86) line 166, GEN54 line 5. After a bit of debugging it turns out amavis keeps an open connection to ... http://www.geek.ro/2009/amavis-mysql-server-has-gone-away/