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Dovecot: mbox: Can’t create root IMAP folder

·187 words·1 min
In some situations with dovecot running on your server, you may receive a message from your e-mail client stating that the “connection was interrupted with your mail server” or the “login process failed”.

Convert MyISAM tables to InnoDB

·170 words·1 min
If you want to convert a MyISAM table to InnoDB, the process is fairly easy, but you can do something extra to speed things up.

Parsing HTML through PHP in Plesk

·154 words·1 min
Some users will want to parse HTML through the PHP parser because one of their applications requires it, or because they think it’s a good idea.

Counting open files per user

·73 words·1 min
In the event that your system is running out of file descriptors, or you simply want to know what your users are doing, you can review their count of open files by running this command:

A week’s vacation

·49 words·1 min
So, you might be saying: “where the heck are the updates for RackerHacker lately?

Testing SpamAssassin with GTUBE

·44 words·1 min
If you have SpamAssassin installed, but you want to make sure that it is marking or filtering your e-mails, simply send an e-mail which contains the special line provided here:

RHEL limitations cheat sheet

·45 words·1 min
When you find yourself in a pinch, and you don’t know the limits of a certain Red Hat Enterprise Linux version, you can find this information in one place.

Hunting down annoying web spiders

·118 words·1 min
We all enjoy having the GoogleBot and other search engine robots index our sites as it brings us higher on search engines, but it’s annoying when some user scrapes your site for their own benefit.

MySQL binary log rotation

·71 words·1 min
If you’ve run MySQL in a replication environment, or if you’ve enabled binary logging for transactional integrity, you know that the binary logs can grow rather quickly.

Happy Labor Day

·21 words·1 min
In the spirit of Labor Day, there will be no new items today.

Change Plesk back to short mail names

·145 words·1 min
If you have to use short e-mail usernames in Plesk (which is a bad idea), and someone accidentally sets the server to use full usernames, you can force Plesk to go back.