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Author: halfgaar
Cursor definition and looping with MS SQL
In MSSQL, I needed to loop over a bunch of orders and execute a stored procedure, except in one case. This does that:
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Upgrading PowerDNS from Debian Squeeze to Wheezy
As I mentioned here, I had to manually create a database schema when I installed PowerDNS on Debian Squeeze. Later versions apparently create one themselve.
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Broken disk went undetected, but did corrupt data
I had a disk in one of my servers that was starting to give ATA errors in the syslog. Contrary to what you might think, ATA errors are fairly common, so I didn't immediately sound the alarm. However, this disk turned out to be corrupting data. During upgrading Debian 6 to 7, the file system became read-only. Rebooting gave me a recovery shell and e2fsck gave me millions of questions.
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Blackberry links
Here are some blackberry links for me.
Blackberry support forums
Blackberry incident support
Software Download for BlackBerry Enterprise Server & BlackBerry Enterprise Server Express
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Areca RAID system password
I needed to configure an Areca RAID array to find out it was password protected. I could unlock it with: MNO974315743924. Read More »
3Ware 9650 SE drive compatibility list
Especially the addendum to the 3Ware 9650 SE RAID controller compatibility list is hard to find, so I'm making them easily available.
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FreeIPA: Active Directory for Linux?
Note to self: explore FreeIPA. Someone on Serverfault suggested it and said it was what AD is for Windows. If it is, it would relieve me of LDAP hell. Too long for this blog post, but I spent about a week (or more) full-time to get an LDAP setup working, with all security measures in place. It involved diving into source code, discovering and reporting Ubuntu documentation bugs, etc. An experience I don't care to repeat. Read More »
Blackberry Enterprise Server issues
I've had some issues with my Blackberry Enterprise Server. Some users say their mail is not synced. Others are reporting calendars being messed up. Just jotting down some memory aids.
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Checking SMART status on a 3Ware controller with smartctl
A RAID controller hides the physical disks from the operating system, so it's harder to query the SMART data. Luckily, smartctl has a way to do it:
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Adding foreign key constraints to PowerDNS default schema
In an earlier post I made, I described how to manually create the SQL schema, because it didn't itself. When I installed Power DNS 3.1-4 on a Raspberry Pi, I noticed it had created the scheme itself this time. However, it did not make the foreign key constraints. This is dumb. I regularly need to remove domains from the DB and I don't want stale or incorrect references as a result.
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