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TCP: Treason uncloaked!
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If Plesk ever appears to be out of sync with the configuration files, or if there’s a Plesk issue that’s occurring that makes no sense at all, just stand back and wave the Plesk magic wand:
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To make Apache write logs similar to IIS, toss this into your Apache configuration:
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If you’re migrating a domain, sometimes their mail will go to the old server for a while after you’ve changed the DNS.
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Add this to the Apache configuration:
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Need a username and password from the Plesk DB?
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MySQL’s default configuration sets the maximum simultaneous connections to 100.
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If you’re looking to get PCI/CISP compliance, or you just like better security, disable SSL version 2.
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Okay, so you’ve verified that the correct admin password is being used, but you still can’t login?
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First, check max_upload_size in php.
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If you have a ton of files in a directory and you need to remove them, but rm says that the “argument list [is] too long”, just use find and xargs:
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If you need to remove subdomains from the URL that users enter to visit your website, toss this into your VirtualHost directive:
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If you’re not a fan of scientific notation, use this to calculate the apache bandwidth used from log files in MB:
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There’s three main things to remember when it comes to the qmail queue:
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If you work on enough servers, you discover that a lot of people put the security of their MySQL server on the back burner.
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As most folks know, by default, MySQL limits the size of a MyISAM table at 4GB.
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Sticky bits help you take file permissions to the next level.
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If you find yourself in the sticky situation where kill -9 still won’t kill a sendmail process, check the process list.
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In the event that a Fedora/RHEL/CentOS box won’t perform the init (which comes right after the initial kernel load), don’t fret - it can be fixed.
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Add this to the virtual host configuration if PHPLive says it has no session.
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Remember, if you raise MaxClients for an MPM in Apache, you must raise the ServerLimit directive, which is normally set to 256 on most servers.
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If you think you have a rooted RHEL box, you’ll want to run the usual rkhunter, chkrootkit, and you will want to inspect for rogue processes.
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So you have multiple users that need to read and write to certain files on the filesystem?
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If your server is spewing an invalid HELO, you could be blacklisted pretty quickly.
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Setting up Postfix to handle mail for a virtual domain and forward it to external mailboxes is pretty easy.