How Jeroen Zomer sees IT

Archive for the ‘technology’ Category

Fixed Conexant Driver Audio Problem

Monday, September 22nd, 2014 Posted in technology | 6 Comments »


Warning: Undefined variable $excerpt in /var/www/vhosts/strelitzia.net/httpdocs/wp/wp-includes/deprecated.php on line 1717
My Lenovo Laptop T500 had no problems until this week. Somehow the audio driver got replaced by a Conexant HD Audio Driver. After the reboot I noticed that the internal speakers stopped working and only gave a little crackling sound. As ...

Scripting for OSX: repeating job

Wednesday, April 3rd, 2013 Posted in technology | 5 Comments »


Warning: Undefined variable $excerpt in /var/www/vhosts/strelitzia.net/httpdocs/wp/wp-includes/deprecated.php on line 1717
I collect little quotes and funny thoughts and have them randomly shown below my mail, one at a time. Over the years I have done this in a number of ways, but never found a really practical solution other than ...

Unstash in Python

Wednesday, February 20th, 2013 Posted in security, technology, work | 2 Comments »


Warning: Undefined variable $excerpt in /var/www/vhosts/strelitzia.net/httpdocs/wp/wp-includes/deprecated.php on line 1717
I once wrote a Java version of the infamous unstash script, written in Perl. As I am picking up Python (so refreshing, so little clutter) I thought it would be nice as a little practice to rewrite it in Python as ...

A method for storing private keys offline

Monday, May 21st, 2012 Posted in security, technology, work | 7 Comments »


Warning: Undefined variable $excerpt in /var/www/vhosts/strelitzia.net/httpdocs/wp/wp-includes/deprecated.php on line 1717
One of the issues with Public Key Infrastructure (PKI) has always been a way to safely store and backup the private keys. Most of the time this is done by using a keydatabase for storing the keys or even an ...

Crash Recovery of an OSX Lion FileVault2 disk

Sunday, December 18th, 2011 Posted in security, technology | No Comments »


Warning: Undefined variable $excerpt in /var/www/vhosts/strelitzia.net/httpdocs/wp/wp-includes/deprecated.php on line 1717
My Apple iMac started to behave weird, with some Kernel Panics, grey screens and general crashes. While I was going through this I was pretty sure it wouldn't hurt me as I had a TimeMachine for continuous backups. How wrong ...