Blog of @[email protected]
Free Software programmer, network engineer and Debian developer.
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Fediverse Test Three
This supposedly will go out to the fediverse if I can fix wp-cron.
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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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25 Years of Free Software
When did I start writing Free Software, now called Open Source? That’s a tricky question. Does the time start with the first file edited, the first time it compiles or perhaps even some proto-program you use to work out a concept for the real program formed later on. So using the date you start writing,…
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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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WordPress 5.4
Debian packages for WordPress version 5.4 will be uploaded shortly. I’m just going through the install testing now. One problem I have noticed is, at least for my setup, there is an issue with network updates. The problem is that WordPress will ask me if I want to update the network sites, I say yes…
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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…
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WordPress 5.2.4
Hot on the heels of WordPress version 5.2.3 which fixed a bunch of stuff we have WordPress 5.2.4 with fixes for six security issues. There is a certain trick to matching up what the WordPress Blog thinks has been fixed and the changsets between the old version and the new. The curious thing is there…
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WordPress 5.1.1
The Debian packages for WordPress version 5.1.1 are being updated as I write this. This is a security fix for WordPress that stops comments causing a cross-site scripting bug. It’s an important one to update. The backports should happen soon so even if you are using Debian stable you’ll be covered.
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WordPress 5.0.1
While I missed the WordPress 5.0 release, it was only a few more days before there was a security release out. So WordPress 5.0.1 will be available in Debian soon. This is both a security update from 5.0.1 and a huge feature update from the 4.9.x versions to the 5.0 versions. The WordPress website, in…