“jengelh” stems from the traditional username creation
pattern used in scientific institutions — ancient systems seemed to have a
limit of eight characters, and the usual pattern was taking one character from
the given name, and seven from the surname, the 8th position being used for a
digit (if needed) to enumerate users that would have the same login
name.
Documents
libHX 3.x Documentation
Introduction to Xtables-addons (presentation)
Writing your own Netfilter modules (Xtables, iptables)
Towards the Perfect Ruleset (iptables)
Detecting and deceiving network scans with Chaostables
Implementation of a Turing simulator (English)
Implementation eines Turingsimulators (German)
(more...)
Software Projects
ccgfs – Transport-agnostic network filesystem
Chaostables – Detect, deceive and slowdown portscans
hxtools — Collection of tools and shell scripts
libHX – Library for commonly needed tasks in C
posixovl — POSIX overlay filesystem
ttyrpld – Multi-platform tty keylogger/screenlogger
Vitalnix User Management Suite – Storage-independent useradd/etc.
Xtables-addons – additional extensions for iptables
(more...)
Software repositories for SUSE are at http://jftp.medozas.de/.
Images
Netfilter packet flow and hook/table ordering
Netfilter Components
German keyboard with US/CCJ+DE mapping (The Perfect Keyboard)
GIT tree/changeset flow
(more...)
Web Articles
(continuously updated over time)
Recurring errors (C)
Recurring errors (Shell)
(more...)
Encoding problems identified and corrected easily
March 08, 2010
So one customer's webpage showed odd characters in otherwise normal text, like “we’re”. No doubt this looked very much like an encoding error between ISO-8859 and UTF-8; three characters and all being outside the ASCII plane is a hint to this. (read more...)
A new system
November 21, 2009; updated March 08, 2010
[ares] Linux 2.6.32-jen93-default sparc64 | 24x
UltraSparc T1 (Niagara) | Load: 0.03 Tasks: 431 | MemUse: 1842/7922MB |
DiskUse: 92/1833GB (output from hxtools's sysinfo tool) has a
nice ring to it, in the midst of an x86-deluded world. (read more...)
Linux Kernel developed by hackers
October 18, 2009
If one looks at the authoring date of all commits, and sorts that by frequency per hour, you get these results: (read more...)
Package building on OpenSUSE with lbuild-jplus
September 08, 2009
lbuild-jplus is the name for a August 2009 package of Novell's “build” tool, plus changes from Ludwig Nussel, plus my changes, which add per-user configuration files, additional build environment defaults, and other fixes. (read more...)
Unreal Tournament Key Bindings
August 08, 2009
There seems to be a bug in UT99 v451 in that the voice menu, as triggered with the “V” key by default, just retracts even while you hold the key. To counter this you can define key bindings. (read more...)
Only the 5 most recent entries are shown. There are more news items from 2009.