Archive
287 Posts
2026 63
April 11
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14
security.txt and Jekyll
How to implement a security.txt with Jekyll
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12
There is still life in these texts
Less known Solaris Features integrated to the website
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12
Lessons from the past
Less known Solaris Features eBook back online
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09
Nudging machines
Optimising a Jekyll blog with an LLM, and the parallels to a team exercise from the 1990s
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08
Thoughts: Mond
Untergang in schlechten Nachrichten
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06
Thoughts: BΓΌcherkiste
Am Ende der Verwertungskette
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05
Apple
50 Jahre
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04
Thoughts: OsterfrΓΌchte
Vererbter Aberglaube
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02
Thoughts: Ostereinkauf
GrΓΌndonnerstagsfehler
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02
Thoughts: Zeitkapsel
Die eigene Stimme aus der Vergangenheit
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02
Solaris 11.4 SRU 90: devnm -s
Which disk do you live on?
March 26
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29
30 years ... still learning
Using RewriteCond with -f
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29
Der Tag, an dem mein Herz stillstand - Teil 17
6 Monate spΓ€ter
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28
Back Burner
Implementing clean RSS, an archive page and fulltext search for c0t0d0s0.org
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27
Solaris 11.4 SRU 90: ls -sh
Closer to GNU
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26
Thoughts: GrΓΌn
Kugelschreiber und Wasserflaschen
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26
Search
Fulltext search for the blog
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25
Archive
Archive page added to the blog
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25
New RSS feed templates
Cleaning up the mess in the RSS feed templates
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24
Solaris 11.4 SRU 90: Checking your nameservice configuration
Helping you to find name service config errors quickly
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23
Thoughts: PalantΓri
Einfach mal das Buch lesen. Oder den Film gucken.
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22
The internet is made for p...bots
Eine Woche c0t0d0s0.org
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21
Thoughts: Herr Norris
Vom vΓΆlligen Fehlen von Ironie
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20
Thoughts: Fundsache
Perlen neben der Dauerwerbesendung
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19
Thoughts: Mixtape
Das Ungesagte auf 74 Minuten
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18
BetΓΆrend
Ich muss mich zusammenreiΓen
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17
Solaris 11.4 SRU 90: Scan with pending free
Resilvering while freeing space
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17
Thoughts: Folie
BΓΌcher auspacken
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16
Thoughts: Sie haben Post. Von der Elphi.
Armageddon aus dem Konzerthaus
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15
Neues aus dem KΓ€fig
Brennet heller!
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14
Spring Cleaning 2026
Spring Cleaning
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14
Thoughts: Wut, Zorn und Satzzeichen
Die Suche nach dem Fehler
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09
New Solaris 11.4 CBE released
New Common Build Environment(CBE) based on SRU 90
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08
Thoughts: Fernweh
Den Kondensstreifen nach
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06
Brazilian waxing for yaks
My insights to an attempt at vibe coding
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04
Lorem 2 - The Revenge of the Dolor
Lorem ipsum dolor sit amet
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01
Solaris 11.4 SRU 90: Losing your retention
How to create a copy of a ZFS filesystem with a different retention configuration
February 16
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28
Thoughts: Mitte
Sie fehlt.
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26
Thoughts: Cineastisches Tinder
Die Verkleinerung der (Film)welt
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26
Solaris 11.4 SRU90: Limiting signaling to all
Protecting you from sending signals to all processes
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25
Solaris 11.4 SRU90: Preserve Boot Environments
Protecting boot environments from accidental deletion
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25
Thoughts: Isses aber nicht
Einfach sein
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24
Thoughts: ATD1997
CONNECT
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23
fsstat -l
Measuring filesystem latencies
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23
Thoughts: Altersgrenzen
Es ist kein neues Problem
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21
Thoughts: Parkraumbewirtschaftung
Wut auf 2,5 mal 5
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20
Reboots
Different kinds of reboots
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20
Thoughts: Parkplatz
Die Welt am Samstag Vormittag
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17
ReingedrΓ€ngelt
Warum ich nen Vogel hatte ... und jetzt vier
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15
Thoughts: Tina
Gemessen mit zweierlei MaΓ
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12
Thoughts: Montauk
Γber Erinnerungen
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03
Thoughts: Bias
Warum ich momentan auf das Blocken von KI-Crawlern verzichte.
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01
tar -x over nfs
tar -x pathology revisited
January 10
-
22
Thoughts: Mobile
Warten
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22
Separate feeds with Jekyll
A simple way to create separate feeds in Jekyll
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22
Restructuring the blog
Splitting the feeds
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11
Solaris 11.4 SRU 87: Directly creating users with NP set
Why newly created Solaris accounts cannot be accessed via SSH public key authentication and how SRU 87 improves the situation
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11
Thoughts: Gedruckt
Was verloren geht...
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10
Thoughts: Immersion
Vom Gestalten zum Beobachten
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09
Thoughts: Paradox
Das Pazifismusparadox und die diesem innewohnende Tragik
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05
Thoughts: Remix
Die Tasse am Abgrund
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04
Thoughts: Nachrichtenflut
Γberleben in der Nachrichtenflut
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03
Thoughts: Musik
Die EntkΓΆrperlichung der Musik
2025 84
December 18
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28
2025
Upper Cut vom Universum
- 25
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24
Der Tag, an dem mein Herz stillstand - Teil 15
Wie geht es Dir?
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23
Der Tag, an dem mein Herz stillstand - Teil 14
Die heilende Behandlung im Anschluss in der Anschlussheilbehandlung
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22
Der Tag, an dem mein Herz stillstand - Teil 13
Von Schlafpositionen und gezogenen Kabeln
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21
Der Tag, an dem mein Herz stillstand - Teil 12
Von Isolation und dem Mangel an Rhythmus
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20
Der Tag, an dem mein Herz stillstand - Teil 11
Von Schmerzen, ersten Erfolgen und wirren Bildern
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19
Der Tag, an dem mein Herz stillstand - Teil 10
Von den Tagen rund um die OP und fehlenden Erinnerungen
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18
Der Tag, an dem mein Herz stillstand - Teil 9
Γber eine Stimme von der Grenze und dem Survivorship Bias in der Praxis
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17
Der Tag, an dem mein Herz stillstand - Teil 8
Vorbereitungen zur OP und dΓΌstere Gedanken
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16
Der Tag, an dem mein Herz stillstand - Teil 7
Teufelkreise, Stofftiere und Unvermeidbarkeit
-
15
Der Tag, an dem mein Herz stillstand - Teil 6
Anderes Leben und haessliche Schlafanzuege
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14
Der Tag, an dem mein Herz stillstand - Teil 5
Outta Koblenz
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13
Der Tag, an dem mein Herz stillstand - Teil 4
Koblenz und die Zufallsdiagnose
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12
Der Tag, an dem mein Herz stillstand - Teil 3
Γber LΓ€rm und Enge, bildgebende Magnete und ΓΌber Briefe, die den Lauf des Lebens verΓ€ndern
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11
Der Tag, an dem mein Herz still stand - Teil 2
Γber einen Brief, meinen Urlaub und zerstΓΆrte PlΓ€ne
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10
Der Tag, an dem mein Herz stillstand - Teil 1
Ein langes Vorwort
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09
Der Tag, an dem mein Herz stillstand
KapitelΓΌbersicht
July 1
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20
Schwellenwertfeld
Gedanken zum Monitoring der NormalitΓ€t
June 6
-
15
TouchID teilen β so irgendwie β
TouchID an mehreren Rechnern
- 09
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08
Only one time
Configuring one time passwords for SSH with Solaris 11.4
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08
Uuuuuuultrawide
Erste Erfahrungen mit 57 Zoll
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02
Solaris 11.4 SRU 81: Virtual PID for init and zsched
New PIDs for init and zsched in the NGZ
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02
Solaris 11.4 SRU 81: Transceiver information
Thank you! THANK YOU! Really thank you!
May 2
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02
pstop and prun
Stopping and starting a process or thread
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02
svccfg editprop
Remembering svc properties β made easy
April 29
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28
Getting the command line and environment of running processes
Rescuing the environment.
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27
useradd defaults
Changing useradd defaults
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26
Using BART
Basic audit reporting tool
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25
Setting up NTP in Solaris 11
A question of time
-
25
Optimierende Prokrastination
Prokrastination mal anders β
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23
Time-based limits to SSH
Lockout after midnight
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22
ZFS file retention: No way back β and other topics
Things you should know about ZFS file retention
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22
ZFS file retention: No way back β and other topics
Things you should know about ZFS file retention
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21
Prevent the destruction of a ZFS filesystem dataset
Limit your appetite for destruction
-
20
ZFS file retention
Configuring file retention in ZFS
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19
File auditing
Activate auditing for select files
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18
Hashed
Directly setting a hashed password
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16
System Attributes in your filesystem
More fun with attributes
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16
Protecting files from accidental deletion
Additional protection against rm -rf *
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14
pfedit for sensitive files
Keeping diffs out of the audit log
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14
Auditing pfedit
Recording the change
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13
Basics of pfedit
Delegate the edit
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12
Filesystem latencies
From the perspective of the filesystem
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11
ptime
What have you done β in the past?
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10
Session annotations
Give me a reason
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09
Signed binaries
Sign the name across the binary β
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08
Disk latencies with iostat
Look, no DTrace script β
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07
Scheduled scrubs
Automatic scrubs in ZFS
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06
pam_fm_notify
Notification about faults at login.
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05
Named routes
Where the streets have no^H^Ha name.
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04
Post-mortem pfiles
Finding open files in a core dump
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03
reflink
Faster copies through technology
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02
useradm
New tool to manage users in Solaris 11.4
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01
Solaris 11.4 SRU 72: Core OS user integrity check
Checking for changes of core OS users.
March 21
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31
ZFS read and write bandwidth limits
Smothering noisy neighbours.
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30
fileops DTrace provider
DTracing file operations.
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29
Creating your own goal service in Solaris 11.4
More goals.
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28
Using the goal service in Solaris 11.4
Tell me about your goals.
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27
Sandbox without networking
Network is a privilege.
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26
Solaris 11.4 SRU 75: Creating a clone in .clone
Send in the clones with mkdir
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23
Deus ex prompt
Gedanken zu AI
-
23
Solaris 11.4 SRU 75: Recursive mount/umount
(Un-)mounting (almost) everything - with a little bit more control
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23
Solaris 11.4 SRU 75: Recursive mount/umount
(Un-)mounting (almost) everything - with a little bit more control
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21
My content deployment process with Gitea
How I automated my multi-stage publication workflow with Gitea and Jekyll.
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19
Solaris 11.4 SRU 78: Wildcards for iostat
Filtering down the output of iostat
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19
WΓΌrzburg
Als der Baum fiel - herbeigeschriebenes Pech.
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17
Double negative
Who keeps my disk up? Who? Who? Who?
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16
Solaris 11.4 SRU 75: NFSv3 support in helper tools
A few NFS tools in Solaris 11 still used NFSv1. This has been changed.
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15
Spring cleaning 2025
Spring is coming and my blog needed a cleanup
-
15
Solaris 11 SRU 75: New options for pgrep/pkill
Two small additions to the pgrep/pkill commands to limit the scope of both commands.
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14
Almost RAIDless
My personal approach of protecting the data on my home NAS with replicas instead of RAID.
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10
Backup
About the first thoughts and first steps to back up my new fileserver.
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10
Backup
About the first thoughts and first steps to back up my new fileserver.
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09
Jekyll and Gitea
How I automated the publication workflow of my Jekyll-based blog with Gitea.
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06
New fileserver
A warm welcome to tachikoma. Using a UGREEN NASync 2800 with TrueNAS Scale and tips to get started with it.
February 5
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23
Mein erstes Mal
Γber Bleistifte, Wahlen und meinen Erfahrungen aus einem Tag Ehrenamt als Wahlhelfer.
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23
Frankfurt
Als die Maske fiel - ein Reisebericht ΓΌber die Fahrt mit der Bahn nach Frankfurt fΓΌr einen Vortrag.
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16
Renewing certificates - a horrible hack
Automatic renewal of Letβs Encrypt certificates without a public webserver
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07
Solaris 11: Network Condition Simulator
How to simulate bad network conditions β up to TCP/IP over avian carriers
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05
Solaris 10/11: Account locking and passwordless SSH
How to prevent locking for accounts used for passwordless authentication
January 2
2024 37
December 1
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29
2024
Γber ein schwieriges Jahr 2024 und sich vor einem RΓΌckblick drΓΌcken.
October 1
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September 2
July 8
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June 16
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May 6
2023 25
December 2
November 3
October 20
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2022 8
December 1
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2021 65
December 1
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October 1
April 9
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March 36
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February 18
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2019 1
March 1
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18
Removing Top-Level VDevs in ZFS
How to remove a Top-Level VDev in ZFS and whatβs happening behind the curtain.
2018 1
February 1
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03
How I learned to stop worrying and love being a passenger ...
Tales of a frequent flyer with flight anxiety
2009 2
February 2
-
25
Insights into ZFS - today: The nature of writing things
How ZFS writes to disk
-
20
Some insight into the read cache of ZFS - or: The ARC
ZFS ARC Internals