Technology

2026

Adding “Add to calendar” buttons for multiple targets (Google, Outlook, iCal) to an email invitation
Installing Zotero on Linux/Ubuntu
Application is not responding
The find command on an old Asustor
How to install the color-blind-safe Nature Color Palette in Inkscape
The Asustor AS-304T NAS cannot mount contemporary ext4 filesystems
Routing network traffic through two different NICs

2025

My Samsung Work Phone Came Preinstalled With Spyware
Python rules our plants
Instructions how to convert an Asustor AS7004T into an Ubuntu Server
Exporting from Avidemux to MP4
t_coffee still fails on a standard Ubuntu 24.04 LTS install
Wireguard
Backing up DVDs
Same place, 38 years later (part D)
Same place, 38 years later (part C)
Same place, 38 years later (part B)
Same place, 38 years later (part A)
Booting my Lenovo ThinkPad X390 from USB
An impossible overlap-extension PCR
Python Virtual Environments
ProxyJump
Restriction Enzyme Calculator
Barrier (a software KVM switch)
Reset the admin (user #1) password in Drupal 9

2024

Ouriginal fails more often than not to detect plagiarism
Taking an webcam image from the command line
Overstretched IT support

2023

Unbricking the Netgate pfsense SG-3100
Withings Body Scan smart scales
Dynamic DNS with DomainDiscount24 and pfsense
Review: Wenger Synergy rucksack after 5 years of daily use

2022

Wake on LAN from pfsense commandline
Risk versus hazard
How to reset the admin password in Drupal 9
University helpdesk recommends Zotero, but does not provide meaningful support
Finding the annual return on investment (ROI) for assets at OP bank

2021

Missed a TV broadcast?
How to manually encrypt a second hard drive in Ubuntu 20.04
Reset Wirelesstag’s outdoor probe’s flash memory
Why I am running Windows 11 now
Erichsen Geld & Gold
Ways how to keep a process running after logging out
Installing perl modules
Where to move to from RefWorks?
Directory hard links in Linux
Randomized controlled potato chip tasting trial
Multiple Python versions on Ubuntu 20.04
Eduroam installation on Linux

2020

Editing Zoom recordings of teaching sessions with FFmpeg
Grub2
Listing all active internet connections on Linux
Apache forward proxy
Counting files (list and word count, ls & wc)
Repairing our refrigerated centrifuge
Updating GE’s Äkta Avant to Windows 10
Copying with rsync

2019

Free digital signing of documents under Linux - an impossibility?
PXE-booting from Netgate Pfsense SG-3100
Nautilus (Ubuntu’s file manager) and bookmarks
Mounting lvm2 manually
How to enable passwordless logins to a server
Ḿanuscript reviewing by annotating PDFs
Ubuntu 18.04 boot messages
Is Ubuntu 18.04 still using the SSD drive for swap?
Linux copy (cp)
Denkbar knapper Sieg der Finnischen Sozialdemokraten über die ultrarechten Basisfinnen
ChemBio Finland
Passwordless login via the GUI and ssh defaults
Changing swappiness on Linux and SDD
Mounting group directories via the fstab

2018

How to change the MAC address of the Ubiquity Edge Router X
Nicht für das Leben, sondern für die Schule lernen wir
OpenVPN server on pfsense and client on Ubuntu 16.04
SSD or spinning disk?
Lehrpläne aus der Vergangenheit
SnapGene and partial restriction digests revisited
Scanning my home network (nmap)
Literature list for Poster #XX:
Computer time: Windows against the rest of the world
Syncthing
Remote desktop sessions to your Helsinki University work computer

2017

The magic sequence to wake up Apple’s SuperDrive on Linux
The most effective ways to reduce your carbon footprint
Nazis in the German Parliament
Toni Nett’s rules
Deleting files with “illegal characters”
Windows changes my computers clock
Amber from Stutthof
Accessing shared folders in VirtualBox (Linux guest)
Fertig
Handbrake and protected DVDs

2016

ScanSnap iX100 support for Linux
Automated reinstall of software from package list
Temperature Sensors
Let’s encrypt duplicated my log files
How to start openvpn or ssh server under Ubuntu 16.04 and 18.04
Asustor AS7004T RAM upgrade
Batch renaming files on the command line
ffmpeg
Unicorn 7-Benutzer-Einrichtung erfordert manuelle Intervention in einer Netzwerkbenutzer-Umgebung
Echtes Biohacking
Netstat
BSD and Linux
Real biohacking
Python für Kinder
Clearing the BIOS password in a HP Compaq Elite 8000
BackupPC and Macs
dd a broken DVD
Test iframes
Essential git
Taj Mahal
SnapGene - Simply the best DNA manipulation software

2015

Managing OpenVPN with Network Manger
Neon electroporation device chickens out
Strawberry fields forever
Helkama Jääkäri - everything but the frame broke within the first 3 years
Thank you, Lufthansa!
Creating a video from webcam still images with crontab and ffmpeg
Helkama quality woes

2014

The car is in the garage
Vor 25 (oder noch mehr) Jahren
Download SnapGene
Ubuntu is slowly getting unusable
It is finished
Fiddling around with CSL
Where did the Nautilus scripts folder go in Ubuntu 14.04?
Stuff the Maverick upgrade broke
Poster printing without an A0 printer
Getting Ubuntu Trusty Tahr onto the CuBox Pro

2013

Mounting individual partitions from disk dumps
Prisma Viikki and customer’s rights revisited
The old LEGO motors are still going strong
Cyclical PhD production
Screw cap of Elmex mouth wash always breaks
A view to the Baltic sea
Reset MacOSX user passwords
Waffel recipe
Updating drupal

2012

x11vnc as a nxserver replacement
Upgrading mysql on Ubuntu Lucid Lynx (10.04) hangs
Washing off the dirt from the dirty dozen
My new Helkama Jääkäri bicycle
The flu shot works
rtmpdump - Die Sendung mit der Maus
Rekombinante Proteine
Meine Podcast-Favoriten
My favorite podcasts
Tobi’s LEGO bricksets

2011

Tobi’s LEGO bricksets
Some useful PDF editing (and search) commands
Rescue from the vacuum cleaner
LEGO

2010

Statistiken über Finnland
Kid’s series on German TV
Disk dumps (dd) and copying over the network (netcat)

2009

A permanent static route in Ubuntu Karmic Koala (9.10), Precise Pangolin (12.04) & Trusty Tahr (14.04)
How to use jhead or exiftool to add a time stamp to a jpg image
Finally some good self-made chocolate ice cream
How to determine and convert text file encoding (file, enca, iconv)
File permissions on html server (recursive chmod) differentiating between files and directories
Old Macs and USB support
youtube to iPod and how to check video files
My rare use of LaTeX
How to erase hard drives (shred, dd)
How to access encrypted volumes from live CDs
cryptsetup
Changing the MAC (Media Access Control) address of NICs (Network Interface Cards)

2008

How much toothpaste is safe to swallow for a 3 year old?
WINE regression testing
The E-numbers of ADHD-like behaviour inducing food colors and additives
Chocolate and onion-syrup against cough
tar copying via ssh
Reinstallation of packages from a list
mysql server restart

2007

Sheep
Finding files with find
Encrypted backup using BackupPC, LVM and cryptsetup
cryptsetup on lvm on Ubuntu Feisty
E-mail: migrating from kmail to Evolution
Installing awstats on Ubuntu Feisty
Why some scripts in the cron.hourly directory do not become executed
Wine and Crossover Office
What corresponds to the Windows ipconfig /all command in Linux?
VNC (Virtual Network Computing) via ssh
The sticky bit, bzip2 and automatic start of programs upon login
The ls command
Startup script for VNC server
Some partition rearrangements under Linux
rio500-0.7-1.i386.rpm works under RedHat 9
Mounting disk image files and encrypted filesystems/partitions
Mount Samba shares (why doesn’t Nautilus work?) and making smb mounts permanent
Mac-Linux Connectivity (netatalk, atalk, Appletalk)
lmule and xmule trouble
How do I run the Gene Construction Kit under Linux?
Hot-swapping different user GUIs under Linux
Floppies and Linux
Creating a shared directory under Linux
Comparing two directories (diff)
Changing the Runlevel (inittab, telinit)
BitTorrent
Binhexed attachments and Mozilla (hexbin, macutils)
Audio CDs to the Rio 500 mp3 player using Linux
Acrobat Reader 5.07 for Linux
(Re)installing GRUB bootloader
Suse 9
sudo is not only to sudo (execute files as another user)
Self-extracting compressed files
Loosing your Windows softly
Location of launchers, panels, etc. in Gnome
grep to search for file content or rpm -qa output
Gnome & KDE sessions autostart items
Dubugging GCK2.5 under wine
Debugging GCK2.5 under wine
Connecting the external hard drive to my computer (Maxtor One Touch 200GB, FireWire & USB 2.0/1.1)
Changing environment variables (env, csh, bash)
BackupPC (and MacOS X)
What Text Editor for Linux?
VNC server under Suse 9
VNC server (aka KDE Desktop Sharing) under Suse 9
Using Riositude under VMware
Starting up and shutting down network cards
RPM management
ps2pdf
Problem to access X desktop from a root terminal
No chown or chmod on samba mounts
More about GCK2.5 under wine
Installing Staden 2003b on Suse 9
Editing the crontab
Changing job priority under Linux
The new iPod (3rd generation) and Suse Linux 9
ssh host keys
Spin down the harddisk with hdparm
Samba trouble (smb, smbadduser, smbpasswd)
Running wine from a real windows install
ps2pdf versus pstill and password protection of pdf documents
Problems with vhosts on RedHat 8
Piping the output of find into a new command (find, xargs)
MySQL install
How to rescue a bad X configuration during Suse 9 install
How to mount a NFS export
How to import sequences from SRS into GCK2.5
GRAMPS and Suse Linux 9
Editing (resizing, format converting, compressing) images in the command line with ImageMagick (mogrify, convert)
Creating Konqueror Service Menus (aka contextual menus)
Creating groups and changing group membership in Mac OS X
Creating a boot floppy for RedHat 8
Changing specific ownerships: chmod –from
Changing sound volume or bitrate of mp3 files with lame
Burning CDs from the command line: cdrdao
Apache on Mac OS X
Adobe Acrobat 5.0.5 under wine
Adding a Suse 9 to a Red Hat 9 (two different distros on the same computer)
A good introduction to shell scripting
Reading Macintosh Standard-formated disks (hfs)
Wine and Adobe Illustrator (can’t find AIRes.dll)
Where do man documents live?
VMware setup error (libpopt)
VMware and Samba
VMware and nonstandard screen resolutions of laptops
suid and executing programs as root without need of typing the root password
Staden 1.4 and Suse 9
smb mounts via fstab or automount?
Rio500 drivers for W98 and W2K under VMware
Reiserfsck and repairing the root partition using the Knoppix CD
Good rpm repositories for Suse Linux 9
Formating an mounting an external firewire reiserfs disk
Editing names of desktop entries
Duplicating Macintosh-formated (hfs and hfs+) CDs under WindowsXP with Nero Express
Changing the host name with Yast2 (overriding the DCHP server)
autofs, automount, auto.master and mounting samba shares
Quick edits of jpg files from within Konqueror (jhead, jpegtran)
Installation and configuration of disc-cover on Suse 9.0
File Associations in KDE
Couldn’t find MIME type application/octet-stream (Konquerer/Kdesktop)
BSPlayer and corrupted DivX files
The PATH in Suse Linux 9 (/etc/profile.local)
kaptain on Suse Linux 9
Installation of Duplicate File Finder
Desktop Integration of the Staden Package in KDE on Suse Linux 9
Changing the default to tree view in Konqueror
Automatization of Sequence Handling (Staden’s pregap4 and gap4)
Windows XP guest from raw partition under VMWare 4, coLinux as rescue
Windows NT, network browsing, mounting and disconnecting from network drives (command netuse)
What nfs and smb shares are available on a server (showmount, smbclient)?
Using multiple mouses/trackpads simultaneously (Suse Linux 9 Yast2/SaX)
True Type fonts under Linux
Syncronizing Psion3a address database with KDE’s address book
Suse Linux 9.1/9.2 and vmware
Suse Linux 9.1
Start netatalk as system service during bootup on Suse Linux 9
Staden on MacOS X (ebiotools)
Staden Help Function (no Netscepe, no help)
Specifying a default working directory (Path) for Acrobat via acroread.desktop file
Software development projects for Molecular Biology
Sequence trace files in tar archives (Staden)
scp (secure copy)
Resetting the MySQL root password
Removing PDF password protection
Reference Sequences (Staden)
Recursive grep
Quanta crashes during start-up (moving my account to a new user)
Problems installing VMware tools (manual installation)
Pinnacle PCTV Deluxe and Linux support
Paglia e Fieno with Walnuts and Gorgonzola
Mexican Chilli Corn Pie
Manually uncompressing backup files creating by BackupPC (Zzzz)
Making the Staden applications clickable in MacOS X
Making a Suse RPM for the Staden Package
KMail, multiple SMTP servers and the alternative sendmail
Installing Windows95 under VMware
Identifying your kernel version (ver)
How to add comments to HTML code
Farfalle with Gorgonzola Cream
Extracting files from rpm archives (rpm2cpio)
Desktop Integration of Staden into KDE 3.2
DCOPserver error during KDE login
Yast hangs during printer installation (Suse Linux 9.1 and 9.2)
winmail.dat (TNEF) attachments and non-Windows operating systems
Windows XP and deleting files with invalid filenames (The system cannot find the path specified)
Where KAdressbook stores its data and settings (kabc)
Wheel Mouse trouble with Suse Linux 9.2 (SaX2, xorg.conf, explorerps/2, ZAxisMapping)
Webalizer on our server
Vmware and ’error while loading shared libraries’: Suse’s new gdk-pixbuf rpm is broken
Updating Suse Linux 9.0 to 9.1
Tunneling of remote X11 output to a local machine behind a firewall (ssh, X11, ForwardX11)
The invisible screensaver (kslideshow, import, screenshot)
The Debian Package manager (apt-cache, apt-get, install, search)
The BIOS Password of Macintosh computers (Open Firmware)
System reinstall, kmail, kopete and other application preferences/settings
Suse Linux 9.3 Display Manager (xdm, kdm)
smbclient (mount, Windows XP, SFS, file sharing)
Self-playing DivX movies on CD (movix, autostart, vlc)
SCPM (System Configuration Profile Management)
RDF, image metadata, jpg/jpeg image annotation (RDFPic)
Online security audit & best security podcast
NFS shares & automount
Mplayer is probably the best video player (and mencoder the best encoder)
Mouting of encrypted partitions under SuSE 9.3 (losetup, cryptotab, twofish256, twofishSL92)
Mounting of vfat partitions and accession privilege management mapping (fstab, vfat, umask, fmask, dmask, users)
Monitoring the CPU temperature (ksensors, lmsensors)
Migrating the Mad Thought Blog to a new server (mysql, php)
Manually syncronizing the time (xntp, ntpdate)
Manually recharging batteries
ksubtile, subtitles and subtitle format (srt, mplayer)
Kill and defunct (zombie) processes (kill, pstree, xkill)
Keyboard layout under xfce (Debian Testing, XF86Config)
Installing source rpms (rpmbuild –rebuild)
How to take screenshots in Windows XP without any additional software
How to back up hidden files
How much disk space do I have left (disk usage du and disk free df)
Hardware (harddisk) failure (dma timeout error, dma_timer_expiry)
Grip configuration (%) switches for file formats
Firewall configuration programs (fwbuilder, yast2, iptables, Brickwall/Brickhouse)
Exporting automounted partitions via nfs
Execution of dd command via ssh and output redirection to local file
Cutting mpeg movie files (mpgtx)
Converting Mac text files into UNIX text files (tr)
Configuring and starting Apache2 via Yast2
Build-in package selection during Suse Linux install (autoyast, network install)
aMule on our server (what ports to open?)
Using ssh in scripts (one-click secure VNC connection using krdc)
Ubuntu 5.04 or Debian 3.1 on the original PB G3 (aka Kanga aka PB 3500)
Installing mplayer on kubuntu
How to mount a partition formatted with UFS (UNIX file system) and the partitioner included with the MacOS X installer
Updating gallery via CVS
Ubuntu and root, su and sudo
Re-encoding mp3 files into smaller files with lame
Migrating my old mysql blog database to a new blog software (PluggedOut)
Keeping preferences and similar stuff (e.g. password files, bookmarks) in sync between two different Linux distributions (unison)
Installing Gramps on MacOSX
Importing email from Kontact to Apple’s Mail App
How to transfer the oligo database from MacVec tor to a web-based blast database
How to convert EMF files into SVG format
How to boot into the BIOS of a Dell Precision WorkStation 410MT to change to SCSI booting
Force immediate reboot
Command line rpm and SuSEconfig
Changing userid on Mac OSX
Find and replace with perl
The greatest discovery

2006

Shell script to downsample podcasts
Creating and mounting iso images (CD image files) under linux (dd)
Manually creating an encrypted partition without yast2 (fdisk, mkreiserfs, losetup, twofish, cryptotab)
How to backup mysql databases (mysqlhotcopy, mysqldump)
Backup your home directory using tar
Watching, ripping and converting DVDs (xine, mplayer, mencoder, dvd, iso image)
Suse Linux 9.2 and encrypted DVD playback (xine, libdvdcss2, libxine, hdparm, DMA)
Using lame to create mp3s from wavs
How to trim a wav file from the Linux command line
How to install perl modules
Konqueror bookmark xml (xbel) files and its display in web browsers (Mozilla that is) using stylesheets (css or xsl)
Adding a new user to MySQL and other basic mysql commands
The Declination of Polish Nouns and Adjectives
Szerelem
Miklós Radnóti: Gewaltmarsch
Közmondások
Finnougristik in Debrecen
Akarsz-e játszani?
8 óra munka
A permanent static route for Macintosh OS X (10.4.7)
Updating gallery
Restricting Samba access on SuSE 10.1 to one IP
Migrating from SuSE 9.3 to SuSE 10.1
Kernel parameters for Macintosh Powerbook 3500/G3 (“Kanga”)
How to enable VPN clients to access LAN computers that are not running VPN software

2005

Deleting empty lines from text files (sed)

2004

Fujitsu Siemens Amilo D1840W and Linux
What file format stands the .ACE ending for and how does one decompress them under Linux?
Wine vs. Crossover Office
Syncronizing Suse 9 with a public time server
How to format and duplicate floppies under Linux
How to load kernel modules automatically during system boot
Hiding dot files for samba shares
Cholesterol-free chocolate cookie recipe
Shortcoming of silent mutagenesis tools (EMBOSS, GCK): WatCut as a solution
KDX under WINE
Getting the web interface for BackupPC working with Apache2 under Suse 9
Find me elsewhere

Biochemistry/Molecular biology researcher and teacher