Author: johayek
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WhatsApp: editing messages after sending them
WhatsApp recently introduced editable messages, at least in the desktop app. In other words: within the desktop app on my MacBook I can change messages after sending them – but that’s a modern feature – and if the communication partner does not have the “right version” of WhatsApp, then the change will not make it…
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how to know whether Wayland or X11 is being used?
I have never used Wayland so far, I only heard of it. With my new job it is sort of the enforced work environment together with ubuntu 22.x. It means quite a challenge.
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gnome desktop: how to split desktop into four parts (like PowerToys FancyZones)
“extensions” and “tweaks” are searchable on the desktop after the suggested installations.
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Linux equivalent of Windows ctrl to show mouse pointer
I am on Ubuntu 22.04, and this works for me: $ gsettings set org.gnome.desktop.interface locate-pointer true
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GitLab: “Permission Denied (publickey)” after properly uploading your public key?
If this shows you a nice “Welcome!” message, everything is fine: $ ssh -T git@gitlab.com https://forum.gitlab.com/t/permission-denied-publickey/29670 Quite likely you SSH agent does not have you corresponding private key yet. Go and add it!
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ubuntu: gnome-terminal or terminator?
My new ThinkPad “broke” – neither internal nor external video worked any longer. I got my SSD moved from the broken ThinkPad to another ThinkPad. (Yes, we considered the downsides.) gnome-terminal wouldn’t want to start any more. Error message: Possibly the SSD or the file system on it is damaged. For the time being I…
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CUPS, PPD
Finding PPD files for … printers: Chromebooks certainly use CUPS, so setting up your network printer on your Chromebook is a CUPS matter.
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a macOS .pkg file – an xar archive file
Inside the .pkg, you will find a file by the name *.pkg/Payload. That’s in fact a gzipped cpio file, so this will show you its content:
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how to test ports – Telnet, Expect, Bash, Netcat, Nmap
For “security reasons” telnet and nmap are not included in the basic set of utilities present on a production server. And why would you install software, that you usually don’t need there? But occasionally these tools are needed and should be available for installation. I certainly like telnet and nmap for the described purposes.