This is SO cool: the entire engineering team at monitoring platform Checkmk is getting a copy of The Software Engineer's Guidebook (my book - this one www.engguidebook.com) as an end-of-year gift.
Haven't seen so many copies in one pile until now!
Haven't seen so many copies in one pile until now!
December 20, 2024 at 9:07 PM
This is SO cool: the entire engineering team at monitoring platform Checkmk is getting a copy of The Software Engineer's Guidebook (my book - this one www.engguidebook.com) as an end-of-year gift.
Haven't seen so many copies in one pile until now!
Haven't seen so many copies in one pile until now!
Checkmk — Complete IT infrastructure monitoring made simple
⭐ Stars: 2,047
🔗 Forks: 509
⏩ Last commit: Oct 8, 2025
⌛ First commit: Feb 20, 2019
⭐ Stars: 2,047
🔗 Forks: 509
⏩ Last commit: Oct 8, 2025
⌛ First commit: Feb 20, 2019
Checkmk: Open Source Alternative to DataDog, Splunk and New Relic
Monitor your entire IT infrastructure with 2,000+ plugins, automated discovery, and scalable architecture. Open source and enterprise solutions available.
openalternative.co
October 8, 2025 at 12:01 PM
Checkmk — Complete IT infrastructure monitoring made simple
⭐ Stars: 2,047
🔗 Forks: 509
⏩ Last commit: Oct 8, 2025
⌛ First commit: Feb 20, 2019
⭐ Stars: 2,047
🔗 Forks: 509
⏩ Last commit: Oct 8, 2025
⌛ First commit: Feb 20, 2019
Wir haben mit „Data2label“ eine #Checkmk-Erweiterung entwickelt, mit der #Admins jede Menge Zeit gewinnen.
Das Plugin hilft, die eigene Serverlandschaft automatisch mit #Monitoring zu versorgen, erkennt Hosts besser und funktioniert auch für #Mailserver:
www.heinlein-support.de/blog/checkmk...
Das Plugin hilft, die eigene Serverlandschaft automatisch mit #Monitoring zu versorgen, erkennt Hosts besser und funktioniert auch für #Mailserver:
www.heinlein-support.de/blog/checkmk...
Checkmk-Monitoring automatisieren mit unserem Data2label-Plugin | Heinlein Support GmbH
Mit dem von Heinlein Support entwickelten Data2label können Administratoren viel Zeit sparen: Die Checkmk-Erweiterung hilft, die eigene Serverlandschaft automatisch mit Monitoring zu versorgen, erken...
www.heinlein-support.de
November 28, 2023 at 4:10 PM
Wir haben mit „Data2label“ eine #Checkmk-Erweiterung entwickelt, mit der #Admins jede Menge Zeit gewinnen.
Das Plugin hilft, die eigene Serverlandschaft automatisch mit #Monitoring zu versorgen, erkennt Hosts besser und funktioniert auch für #Mailserver:
www.heinlein-support.de/blog/checkmk...
Das Plugin hilft, die eigene Serverlandschaft automatisch mit #Monitoring zu versorgen, erkennt Hosts besser und funktioniert auch für #Mailserver:
www.heinlein-support.de/blog/checkmk...
We're LIVE! First look at Checkmk Community, free open source monitoring built for small setups. Going in mostly blind. If you run it already, bring your tips. #homelab #selfhosted #opensource
https://youtube.com/live/6Iw2zpkPecM
https://youtube.com/live/6Iw2zpkPecM
June 7, 2026 at 5:00 PM
We're LIVE! First look at Checkmk Community, free open source monitoring built for small setups. Going in mostly blind. If you run it already, bring your tips. #homelab #selfhosted #opensource
https://youtube.com/live/6Iw2zpkPecM
https://youtube.com/live/6Iw2zpkPecM
Checkmk — Complete IT infrastructure monitoring made simple
⭐ Stars: 2,039
🔗 Forks: 508
⏩ Last commit: Oct 1, 2025
⌛ First commit: Feb 20, 2019
⭐ Stars: 2,039
🔗 Forks: 508
⏩ Last commit: Oct 1, 2025
⌛ First commit: Feb 20, 2019
Checkmk: Open Source Alternative to DataDog, New Relic and Splunk
Monitor your entire IT infrastructure with 2,000+ plugins, automated discovery, and scalable architecture. Open source and enterprise solutions available.
openalternative.co
October 1, 2025 at 12:01 PM
Checkmk — Complete IT infrastructure monitoring made simple
⭐ Stars: 2,039
🔗 Forks: 508
⏩ Last commit: Oct 1, 2025
⌛ First commit: Feb 20, 2019
⭐ Stars: 2,039
🔗 Forks: 508
⏩ Last commit: Oct 1, 2025
⌛ First commit: Feb 20, 2019
Guess I should mention one of my side projects as of late ;)
@craftcomputing.bsky.social and team have been hard at work building Axe Effect and now @openviro.com Axe!
I put together CheckMK integration for the original Axe Effect and will be doing the same with more hardware going forward :)
@craftcomputing.bsky.social and team have been hard at work building Axe Effect and now @openviro.com Axe!
I put together CheckMK integration for the original Axe Effect and will be doing the same with more hardware going forward :)
GOOD NEWS EVERYONE!
The Openviro Axe PoE is now available for Pre-Order over on CrowdSupply!
Check out the launch video here: youtu.be/Frij8gvGizg
The Openviro Axe PoE is now available for Pre-Order over on CrowdSupply!
Check out the launch video here: youtu.be/Frij8gvGizg
Accurate Temperature Monitoring for your Server Rack - Openviro Axe PoE Launch!
YouTube video by Craft Computing
youtu.be
April 7, 2025 at 7:53 PM
Guess I should mention one of my side projects as of late ;)
@craftcomputing.bsky.social and team have been hard at work building Axe Effect and now @openviro.com Axe!
I put together CheckMK integration for the original Axe Effect and will be doing the same with more hardware going forward :)
@craftcomputing.bsky.social and team have been hard at work building Axe Effect and now @openviro.com Axe!
I put together CheckMK integration for the original Axe Effect and will be doing the same with more hardware going forward :)
Luckily or unluckily enough, I had to become an expert in infrastructure monitoring with Checkmk ✅
May 22, 2024 at 5:38 PM
Luckily or unluckily enough, I had to become an expert in infrastructure monitoring with Checkmk ✅
From ADMIN Issue 88: Need better monitoring for websites and certificates? Marcel Arentz looks at a new open source monitoring implementation from Checkmk
www.admin-magazine.com/Archive/2025...
#OpenSource #monitoring #Checkmk #website #certificate #network #IT #encryption #authentication
www.admin-magazine.com/Archive/2025...
#OpenSource #monitoring #Checkmk #website #certificate #network #IT #encryption #authentication
August 11, 2025 at 6:52 PM
From ADMIN Issue 88: Need better monitoring for websites and certificates? Marcel Arentz looks at a new open source monitoring implementation from Checkmk
www.admin-magazine.com/Archive/2025...
#OpenSource #monitoring #Checkmk #website #certificate #network #IT #encryption #authentication
www.admin-magazine.com/Archive/2025...
#OpenSource #monitoring #Checkmk #website #certificate #network #IT #encryption #authentication
🚨 EUVD-2026-84350
📊 5.3/10
🏢 Checkmk GmbH
📝 Improper neutralization of newlines in filter values in the monitoring host and service list APIs in Checkmk <2.5.0p14 allows an authenticated user t...
🔗 https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-84350
#cybersecurity #infosec #cve #euvd
📊 5.3/10
🏢 Checkmk GmbH
📝 Improper neutralization of newlines in filter values in the monitoring host and service list APIs in Checkmk <2.5.0p14 allows an authenticated user t...
🔗 https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-84350
#cybersecurity #infosec #cve #euvd
September 22, 2026 at 12:01 PM
🚨 EUVD-2026-84350
📊 5.3/10
🏢 Checkmk GmbH
📝 Improper neutralization of newlines in filter values in the monitoring host and service list APIs in Checkmk <2.5.0p14 allows an authenticated user t...
🔗 https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-84350
#cybersecurity #infosec #cve #euvd
📊 5.3/10
🏢 Checkmk GmbH
📝 Improper neutralization of newlines in filter values in the monitoring host and service list APIs in Checkmk <2.5.0p14 allows an authenticated user t...
🔗 https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-84350
#cybersecurity #infosec #cve #euvd
🚨 EUVD-2026-84349
📊 2.3/10
🏢 Checkmk GmbH
📝 Insufficiently protected credentials in the host and folder configuration endpoints of the REST API in Checkmk <2.5.0p15, <2.4.0p37, <2.3.0p51 and 2....
🔗 https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-84349
#cybersecurity #infosec #cve #euvd
📊 2.3/10
🏢 Checkmk GmbH
📝 Insufficiently protected credentials in the host and folder configuration endpoints of the REST API in Checkmk <2.5.0p15, <2.4.0p37, <2.3.0p51 and 2....
🔗 https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-84349
#cybersecurity #infosec #cve #euvd
September 22, 2026 at 12:01 PM
🚨 EUVD-2026-84349
📊 2.3/10
🏢 Checkmk GmbH
📝 Insufficiently protected credentials in the host and folder configuration endpoints of the REST API in Checkmk <2.5.0p15, <2.4.0p37, <2.3.0p51 and 2....
🔗 https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-84349
#cybersecurity #infosec #cve #euvd
📊 2.3/10
🏢 Checkmk GmbH
📝 Insufficiently protected credentials in the host and folder configuration endpoints of the REST API in Checkmk <2.5.0p15, <2.4.0p37, <2.3.0p51 and 2....
🔗 https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-84349
#cybersecurity #infosec #cve #euvd
After three hours trying to figure out why the host wasn't discovering the monitored services, I realise that I did install the agent at the wrong host 🤦♂️ #checkmk #monitoring
December 9, 2024 at 6:42 PM
After three hours trying to figure out why the host wasn't discovering the monitored services, I realise that I did install the agent at the wrong host 🤦♂️ #checkmk #monitoring
Local Privilege Escalation via writable files in Checkmk Agent (CVE-2024-0670)
https://sec-consult.com/vulnerability-lab/advisory/local-privilege-escalation-via-writable-files-in-checkmk-agent/
Original post
https://sec-consult.com/vulnerability-lab/advisory/local-privilege-escalation-via-writable-files-in-checkmk-agent/
Original post
March 14, 2024 at 6:03 AM
Local Privilege Escalation via writable files in Checkmk Agent (CVE-2024-0670)
https://sec-consult.com/vulnerability-lab/advisory/local-privilege-escalation-via-writable-files-in-checkmk-agent/
Original post
https://sec-consult.com/vulnerability-lab/advisory/local-privilege-escalation-via-writable-files-in-checkmk-agent/
Original post
Je cherche une solution de supervision pour remplacer Icinga. Vous (dé)conseillez quoi ?
✅ CheckMK ?
✅ Zabbix ?
✅ Prometheus ?
✅ Centreon ?
✅ LibreNMS ?
✅ CheckMK ?
✅ Zabbix ?
✅ Prometheus ?
✅ Centreon ?
✅ LibreNMS ?
February 9, 2025 at 9:42 PM
Je cherche une solution de supervision pour remplacer Icinga. Vous (dé)conseillez quoi ?
✅ CheckMK ?
✅ Zabbix ?
✅ Prometheus ?
✅ Centreon ?
✅ LibreNMS ?
✅ CheckMK ?
✅ Zabbix ?
✅ Prometheus ?
✅ Centreon ?
✅ LibreNMS ?
Fehlen Ihnen spezielle Monitoring-Agents in Checkmk und sind auch keine Plug-ins verfügbar, können Sie individuelle Special Agents auch selbst entwickeln. #Softwareentwicklung
heise+ | Monitoring mit Checkmk: Mit Phython eigene Special Agents entwickeln
Fehlen Ihnen spezielle Monitoring-Agents in Checkmk und sind auch keine Plug-ins verfügbar, können Sie individuelle Special Agents auch selbst entwickeln.
www.heise.de
January 6, 2025 at 10:06 AM
Fehlen Ihnen spezielle Monitoring-Agents in Checkmk und sind auch keine Plug-ins verfügbar, können Sie individuelle Special Agents auch selbst entwickeln. #Softwareentwicklung
Going LIVE tomorrow at 1pm ET. We're installing Checkmk Community, the free open source monitoring platform, and seeing what happens in the homelab. Come hang out! #homelab #selfhosted #opensource
https://youtube.com/live/6Iw2zpkPecM
https://youtube.com/live/6Iw2zpkPecM
June 6, 2026 at 11:55 PM
Going LIVE tomorrow at 1pm ET. We're installing Checkmk Community, the free open source monitoring platform, and seeing what happens in the homelab. Come hang out! #homelab #selfhosted #opensource
https://youtube.com/live/6Iw2zpkPecM
https://youtube.com/live/6Iw2zpkPecM
KL-001-2025-001: Checkmk NagVis Reflected Cross-site Scripting
Full Disclosure: KL-001-2025-001: Checkmk NagVis Reflected Cross-site Scripting
KL-001-2025-001: Checkmk NagVis Reflected Cross-site Scripting
Full Disclosure
mailing list archives
From: KoreLogic Disclosures via Fulldisclosure
Date: Tue, 4 Feb 2025 16:08:25 -0600
KL-001-2025-001: Checkmk NagVis Reflected Cro ...
Read more
Published Date:
Feb 04, 2025 (4 hours, 37 minutes ago)
Vulnerabilities has been mentioned in this article.
CVE-2024-13722
seclists.org
February 5, 2025 at 2:50 AM
KL-001-2025-001: Checkmk NagVis Reflected Cross-site Scripting
How to update CheckMk inside of a Docker container
blog.martinscloud.com/checkmk-upgr...
#docker #compose #checkmk #monitoring
blog.martinscloud.com/checkmk-upgr...
#docker #compose #checkmk #monitoring
CheckMk: Upgrade CheckMk using Docker Compose
This is about how to update or upgrade CheckMk inside a Docker container.
blog.martinscloud.com
February 11, 2025 at 3:25 PM
How to update CheckMk inside of a Docker container
blog.martinscloud.com/checkmk-upgr...
#docker #compose #checkmk #monitoring
blog.martinscloud.com/checkmk-upgr...
#docker #compose #checkmk #monitoring
An awesome monitoring tool that's a Sys Admin's dream. Check out Checkmk RAW in my latest video and find out how you can monitor pretty much anything: https://youtu.be/5_5yD1fe-dk
September 24, 2025 at 12:28 PM
An awesome monitoring tool that's a Sys Admin's dream. Check out Checkmk RAW in my latest video and find out how you can monitor pretty much anything: https://youtu.be/5_5yD1fe-dk
CVE-2026-90990 - Livestatus injection via monitoring filter values
CVE ID : CVE-2026-90990
Published : Sept. 22, 2026, 10:43 a.m. | 36 minutes ago
Description : Improper neutralization of newlines in filter values in the monitoring host and service list APIs in Checkmk &...
CVE ID : CVE-2026-90990
Published : Sept. 22, 2026, 10:43 a.m. | 36 minutes ago
Description : Improper neutralization of newlines in filter values in the monitoring host and service list APIs in Checkmk &...
CVE-2026-90990 - Livestatus injection via monitoring filter values
Improper neutralization of newlines in filter values in the monitoring host and service list APIs in Checkmk
cvefeed.io
September 22, 2026 at 11:55 AM
CVE-2026-90990 - Livestatus injection via monitoring filter values
CVE ID : CVE-2026-90990
Published : Sept. 22, 2026, 10:43 a.m. | 36 minutes ago
Description : Improper neutralization of newlines in filter values in the monitoring host and service list APIs in Checkmk &...
CVE ID : CVE-2026-90990
Published : Sept. 22, 2026, 10:43 a.m. | 36 minutes ago
Description : Improper neutralization of newlines in filter values in the monitoring host and service list APIs in Checkmk &...
[caps, annoyed at self for other sysadmin stuff not wafrn related nor dayjob]
I FUCKING FORGOT THAT HESTIA CONTROL PANEL HAD ITS OWN FIREWALL, NO WONDER CHECKMK DIDNT WORK
I FUCKING FORGOT THAT HESTIA CONTROL PANEL HAD ITS OWN FIREWALL, NO WONDER CHECKMK DIDNT WORK
March 18, 2026 at 11:57 AM
[caps, annoyed at self for other sysadmin stuff not wafrn related nor dayjob]
I FUCKING FORGOT THAT HESTIA CONTROL PANEL HAD ITS OWN FIREWALL, NO WONDER CHECKMK DIDNT WORK
I FUCKING FORGOT THAT HESTIA CONTROL PANEL HAD ITS OWN FIREWALL, NO WONDER CHECKMK DIDNT WORK
“It’s always DNS” – Andreas Decker shows how to tackle tricky DNS issues with #Checkmk at #OSMC.
Don’t miss it!
osmc.de/talks/its-al...
Don’t miss it!
osmc.de/talks/its-al...
September 30, 2025 at 7:00 AM
“It’s always DNS” – Andreas Decker shows how to tackle tricky DNS issues with #Checkmk at #OSMC.
Don’t miss it!
osmc.de/talks/its-al...
Don’t miss it!
osmc.de/talks/its-al...
