Blog of @[email protected]
Free Software programmer, network engineer and Debian developer.
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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…
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Another ActivityPub quirk
I’m wondering now if the problem with the activitypub is because the user object was already in the remote site and somehow the two were not being linked up properly. Removing the user information off the mastodn instance may help, or not.