Category: Software
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Debian WordPress 6.5
Today I have updated the Debian WordPress packages to version 6.5. Not exactly sure what has changed, but they’re very excited over on the WordPress site about fonts and templates. I don’t think I’m selling it well, so hop over to the WordPress 6.5 Announcement for the real details.
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Devices with cgroup v2
I was curious to find out how containers have restricted access to devices. For cgroup v1 this is simple, but cgroup v2 uses eBPF. Find out what device access a container has with 3 easy and 1 difficult steps.
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Fixing iCalendar feeds
Many sites allow you to synchronize to their calendar loosely following the iCalendar standard. Unforutunately many set the time for all day events, with a quick and dirty PHP script you can fix this.
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Linux Memory Statistics
What does Used memory in Linux actually mean and how this concept has changed over the years.
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WordPress 5.8.2 Debian packages
After a bit of a delay, WordPress version 5.8.2 packages should be available now. This is a minor update from 5.8.1 which fixes two bugs but not the security bug. The security bug is due to WordPress shipping its own CA store, which is a list of certificates it trusts to sign for websites. Debian…
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Changing Grafana Legends
A quick tour of label_replace to fix Legend texts in Grafana for Prometheus data sources.
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Percent CPU for processes
The ps program gives a snapshot of the processes running on your Unix-like system. On most Linux installations, this will be the ps program from the procps project. What does the %CPU field mean in the output of ps?
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Sending data in a signal
The well-known kill system call has been around for decades and is used to send a signal to another process. The most common use is to terminate or kill another process by sending the KILL or TERM signal but it can be used for a form of IPC, usually around giving the other process a…
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procps-ng 3.3.16
procps-ng version 3.3.16 was released today. Besides some documentation and library updates, there were a few incremental changes. Zombie Hunting with pgrep Ever wanted to find zombies? Perhaps processes with other states? pgrep has a shiny new runstate flag to help you which will match process against the runstate. I’m curious to see the use-cases…