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tiptoi pen: Adding files manually

less than 1 minute read

The tiptoi pen is a wonderful toy for small children. For new books one needs to copy audio files to the pen. There is a docking station for newer models th...

NixOS: cargo linker error

1 minute read

There are multiple ways to install a rust toolchain under NixOS. One easy way is to install gcc, rustup system-wide, e.g. # file: /etc/nixos/configuration.ni...

NixOS: Deleting old generations

3 minute read

NixOS will keep all previous generations (builds) by default. This can quickly take up signification amount of disk space. E.g. for my local setup of 46 buil...

Connecting to synology per ssh

less than 1 minute read

Synology run deprecated versions of sshd. The cbc cipher needs to be explicitly allowed.