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Author: halfgaar

Halfgaar is Wiebe. Wiebe is a contributing author on this weblog. He also has a lot of stuff (such as long, in-depth articles) on his personal website.

Wiebe works at YTEC, where he is a senior developer of customer-specific tailor-made software (“klantspecifieke maatwerk software“) for clients in a few select markets: wholesale, printing and healthcare.

Disabling Intellipark on the WD15EARS

I just got two Western Digital 1.5TB WD15EARS disks. This drive has a feature called intellipark, which parks the head after the disk is not used for a while. This is supposedly a power saving feature. But, as someone explains, it can also severely decrease the lifetime of your drive. Read More »

Upgrading Samba from Lenny-backports

For some reason, after upgrading to the Samba version from Lenny-backports I needed to support Windows 7 profiles, the workstations suffered from severe problems. The entire profile seemed to be read-only, even though they weren't on disk. I couldn't change any setting and reverting profile configuration from backups didn't help. In the end, the only thing that fixed it was recreating the user profile, both server and client side. This was an upgrade from 3.2.5 to 3.4.7. Read More »

Adding a virtual network interface on Debian

When clustering machines, you make it possible for a failover node to be accessible on the same address as the primary node by having a virtual network interface. In Debian, you can add one like this: Read More »

Preventing the creation of $RECYCLE.BIN on Samba shares by Windows 7

Windows 7 kept creating a $RECYCLE.BIN dir on the network share. This in itself is merely annoying, but there were also errors resulting from it. Whenever a file would be deleted, this message would appear (translated from dutch): "The recycle bin is damaged, do you want to delete the contents?" Everything froze until that question was answered. Read More »

MAC address space for Xen

The MAC address space reserved for Xen is 00:16:3e:xx:xx:xx. Source.

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Show fields in a SSL certificate with openssl

To use OpenSSL to get the certficate information (source): Read More »

Configuring Thunderbird to have newest mails at the top by default

Thunderbird sorts its mails in such a way that the newest mails are at the bottom of the list by default. You can change it, but you have to change it for each folder separately, which sucks. Read More »

Migrating user accounts when upgrading from samba 3.2 to 3.3 or 3.4

Because I wanted to be able to give Windows 7 machines access to our domain controller, I needed to upgrade samba to 3.4 from lenny-backports. Because the database backend changed, a consequence of this was that the user database was empty; it didn't migrate it. Read More »

Console commands for Unreal Tournament

This site has a comprehensive list of Unreal Tournament 99 console commands. Some necessary ones (for some you have to do adminlogin first, provided you're playing on a dedicated server): Read More »

Adding a quick launch in Windows 7

Windows 7 doesn''t have a quicklaunch by default. Luckily, there is a fix. To enable it, add toolbar, other toolbar and include this as location: Read More »