It took me more than 6 months in order to sort all issues, so here are the experiences. Most of the trouble was because I
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DNSSEC key tag (keyid) and DS signature calculation in python
This one took me a considerable amount of hours to figure out so here it is. While trying to automate DNS zone generation I had
rsync as root with rrsync and sudo
Here’s how to rsync something to a remote host as root without allowing root logins and with directory restriction. I did that because I wanted
Venting machines and APIs
In our office we have a venting machine that offers free sodas. What the vending machine does is simple: Keep contents cool, wait for someone
Linux Containers: Easy LXC
Linux containers (a.k.a. LXC) rock. It’s the ultimate way of having multiple Linux boxes with minimal requirements. Here’s how I do it under Debian (and
TalkTalk traffic interception
Recently I was really annoyed by my ISP (TalkTalk @ UK). In short: They are intercepting traffic and doing deep packet inspection without any warning
Quick fix for X.org screensaver bypass
This vulnerability is quite annoying if you’re locking your desktop in work or anywhere else. In short, one is able to kill xorg’s xscreensaver’s lock
fix for radeon + opensource driver + kde effects = crash
The problem Kwin crashes when enabling opengl effects. It doesn’t crash immediately but it crashes after specific actions so it is 100% reproducible. For example
Big nfs_inode_cache
The story Boxes with various kernel versions have weird free memory problems. After examining the memory usage it seems that processes don’t add up to
Easy one-time git subtree merge
The situation: Have a git project (A) Have a second git project (B) that I want to merge to A under a directory This needs