Skip to content

Author: halfgaar

http://www.halfgaar.net/

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.

Bike settings

During my holliday, somebody may change the settings on my bike, so I want to document a few key ones: Read More »

Fixing the Firefox file dialogs in Linux Mint (17)

For a few months now, the file dialogs (open, save, etc) in Firefox on Linux Mint 17 KDE malfunctioned. Clicks didn't go through and/or were interpreted as drags. I finally figured out that it was caused by the Oxygen KDE theme. Read More »

Brick uptime

I replaced my server Brick yesterday, resetting my longest uptime on any machine ever. For the record: Read More »

File Ubuntu bug URL without help page with burried link

The Ubuntu page for reporting a bug does a good job of hiding the actual launchpad URL for filing a bug. Here is a direct one: Read More »

Fixing hanging and slow Windows Update on Windows 7

Windows 7 update service is slow to begin with, but trying it on a computer that has been off for a while is damn near impossible. This is a known issue, apparently. Read More »

My Front suspension

On my Multi Cycle bike, I have a SR Suntour CR9, serial number TF00478709, Series: CR, Year: 2015, Name: CR 9V-D-P-LO 700C TS 300/0, from 2015. Read More »

Using ‘Require expr’ in Apache: Cannot parse expression in require line: syntax error, unexpected $end

We found that if you do what the Apache documentation says and put quotes around the expr: Require user victron Require expr "%{REQUEST_URI} =~ m#^/.well-known/acme-challenge/.*#" Read More »

More recent posts on YTEC blog

As Bigsmoke indicated, we had some issues with google not finding content. For the same reason, I would like to share my insight into some stuff I write about: Read More »

Sending mail from a NATed host with Postfix

When sending mail from a host behind NAT, you will run into trouble when the "From" says "root@host.localdomain", because receiving servers will refuse that domain. Read More »

Download dmcrypt (cryptsetup) encryption key from remote server and auto mount

One of the inconveniences of encryption is the need to open the encrypted volume by hand when the computer/server boots. Luckily, you can easily automate that securely. You need a machine that will act as a key server, whether that's a Raspberry Pi or some VPS you hire. Read More »