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.

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 »
By halfgaar, 4 years ago, on February 23, 2017, at 16:02 | Comments closed

Brick uptime

I replaced my server Brick yesterday, resetting my longest uptime on any machine ever. For the record: Read More »
By halfgaar, 5 years ago, on January 14, 2017, at 14:01 | 1 comment

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 »
By halfgaar, 5 years ago, on December 27, 2016, at 12:12 | Comments closed

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 »
By halfgaar, 5 years ago, on November 17, 2016, at 21:11 | Comments closed

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 »
By halfgaar, 5 years ago, on July 09, 2016, at 13:07 | Comments closed

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 »
By halfgaar, 5 years ago, on July 08, 2016, at 10:07 | 1 comment

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 »
By halfgaar, 5 years ago, on June 28, 2016, at 09:06 | 1 comment

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 »
By halfgaar, 5 years ago, on June 03, 2016, at 11:06 | Comments closed

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 »
By halfgaar, 5 years ago, on May 22, 2016, at 20:05 | Comments closed

Preventing degraded array on every boot

I had a server that booted with a degraded array every time, because there was a USB drive attached to it, that messed up the auto detection. I solved it by putting this in mdadm.conf: Read More »
By halfgaar, 5 years ago, on April 27, 2016, at 09:04 | 1 comment