Syslog-ng Unique Persist Names

I want mail logs in a separate log file /var/log/mail so that postfix and dovecot messages are not be buried in /var/log/message. While upgrading to syslog-ng to version 3.13.2 I suddenly ran into an error that prevented the daemon to start. The error message was:

Template Toolkit and Unicode

The mere mention of Unicode in the context of Template Toolkit causes great wailing and chattering of teeth with many a Perl hacker. You will encounter double encoded UTF-8 or arbitrarily thrown in question marks in a seemingly random fashion. How can this be avoided?

Unicode Regex Pitfalls

I sometimes receive the good advice to make my regular expressions more concise with the /i modifier or using backslash character classes like \d, \s or the like. But I avoid them on purpose. Why?

Never Delete PID Files!

The best way to delete a pid file (or rather a lock file) is not to delete it. Doing so will almost always result in race conditions voiding the protection against parallel execution.


Coco Chickpeas, Pakoras, Mango Chutney, and Oriental Yoghurt

Having to kill one day at the airport, on the plane, at the station and on the train always stirs the desire to cook something tasty so that I can chase away the ominpresent impressions of fast food and convenience products. The result of the last unvoluntary fasting are these chickpeas with coconut milk, pakoras, mango chutney and oriental yoghurt.

Formatting Large Hard-Disks On Mac OS X

My new LaCie rugged USB-C drive showed only a capacity of 372 MB instead of the 4 TB that I had bought, when I formatted the disk on Mac OS X High Sierra. It turned out that I first had to create a GUID Partition Table (GPT) on it to use the full capacity.


Globstar For Perl

Using the double star in file name patterns like assets/**/*.css is second nature to many web developers in the Node.js ecosystem. It is also used by gitignore when evaluating exclusion patterns. The new Perl library File-Globstar brings the same functionality to Perl.