I’m currently using a virtual MTA system, including amavisd-new, spamassassin, clamav, postfix and using quotas on a per mailbox basis. When I upgraded to 2.4.5, I started seeing quota limits exceeding on accounts that have quota limits of ‘0’. Zero quota use to mean no-limit. Nov 25 07:55:41 comp postfix/virtual[2800]: DF03FA38D: to=<user@domain.com>, orig_to=<user2@domain.com>, relay=virtual, delay=0.18,… Continue reading Upgrading Postfix to 2.4.5 has some VDA issues

I’m managing a few Gentoo boxes for a client. This environment is sort of a nightmare (initially set up by someone else.. who I’ve never met and currently hate now). Basically, it’s a xen environment running several Gentoo images. On one of the images today, I was unable to start postfix after the upgrade to… Continue reading Postfix Startup Problem – fatal: epoll_create: Function not implemented

Today, I had to import a CSV file into a MySQL database. I thought, this would be a quick snap with phpMyAdmin and was surprised to NOT see a file import, only SQL style imports are supported with phpMyAdmin. Okay, so off we go to CLI MySQL commands (or SQL execution, but since the file… Continue reading Import CSV file into MySQL

So after upgrading from 3.0.24-r3 to net-fs/samba-3.0.27, I immediately ran into problems with my mapped drives. Clicking on the drives from Windows, I received the following: ————————— Local Disk (C:) ————————— X:\ refers to a location that is unavailable. It could be on a hard drive on this computer, or on a network. Check to… Continue reading Upgrade from Samba 3.0.24-r3 to 3.0.27 causes problems with Windows.

A client of mine today wanted to be able to shut down their linux server if their UPS goes off line and reaches low battery. They currently have the CyberPower 1500 AVR UPS, which states that 2008 will have linux support. After googlin’ around a bit I came across this project, Network UPS Tools or… Continue reading Use NUT to watch your UPS

This is a great tip a friend gave me the other day. The elog summary is great to get some of the warning messages and instructions, but you can have those email to you, and get more information! This is extremely simple.. and can really save some time debugging a emerge. Simply add this to… Continue reading Get portage emails from your system

You ever want to see what your server is doing on boot up, but it’s a remote server? You can log the boot messages to a file. I’m a little late to come across this, but it’s still a mighty cool tip. First you need to emerge showconsole. emerge -v showconsole Next, we need to… Continue reading Log your boot messages

The last two days have been maddening for me. On two servers, out of the blue, MySQL is freakin’ and freakin’ hard. It all started with corrupted tables, to memory preformance issues. I then jacked up some mem values, and now both servers are crashing. I think I might be dealing with two problems (second… Continue reading MySQL Problems! – RED ALERT

Hello All I now have RSS feed subscriptions available. Get site updates via your RSS reader of choice to see what pain in the ass problem I’m currently dealing with. Just click the the ‘readers’ widget to the right, or click this link: http://feeds.feedburner.com/uno-code

So if you’ve haven’t been following what I’ve been working on.. I’ve been working on a OpenVPN system on a Gentoo Linux firewall where remote users can connect and access files, but have the ability to authenticate against PAM as well as shared keys (dual layer authentication). Most of the how-to documentation out there talk… Continue reading OpenVPN – Masquerade Iptable Issues