Top all-time · #15784
Same Null, Different Cloud
Personal blog · cloudnull.iosystemsprogramming
Same Null, Different Cloud is a personal blog at cloudnull.io about systems and programming. Since 2017, 5 different Hacker News readers have linked it 5 times. It is still writing: the last post was on 2026-09-09, and you can follow it by feed.
Too few sampled comments (3) to say how often HN recommends it.?
Why HN links it
HN readers link Same Null, Different Cloud for Linux and systemd material, including a post on running services in their own network namespace and a 2011 post on the history of dd.
Summarised by Claude from a sample of 3 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.
Sorry, not sorry.
What Hacker News says?
This article explains the security features of systemd that make chroot superfluous: https://www.redhat.com/en/blog/mastering-systemd And here's an example of how a network service can be confined in its own network namespace: https://www.cloudnull.io/2019/04/running-services-in-network... - with zero shell needed, btw.
Comment linking /2019/04/running-services-in-network-name-spaces-with-systemd/
on “Why systemd is a problem for embedded Linux”Submitted NFS Mount via Systemd (2017) as a story · 2 points
HN discussiondd's reputation comes from someone calling it "disk destroyer" a long time ago. This is one in a long and storied line of such articles that predate the web: https://cloudnull.io/2011/12/dd-and-the-mighty-disk-destroye...
Comment linking /2011/12/dd-and-the-mighty-disk-destroyer-or-duplicator/
on “Linuxgems – A succinct cheat sheet for newbie Linux coders and sysadmins”Submitted Rocket past the white whale and spawn a container as a story · 1 points
HN discussionI love systemd. I use it extensively in production. The constraints handling (ex: service depends on database which depends on network) is great. You can have a systemd timer restart another timer that was suspended when the system load was too high, etc. Systemd is the best way I know to handle programs that can fail randomly, with complex dependencies. Just tweak the restart limits on the service. You can manage t…
Comment linking /2019/04/running-services-in-network-name-spaces-with-systemd/
on “Systemd needs official documentation on best practices”