Starting page logo with full disk encryption
To change the grub starting page logo when using, as I currently do, Linux Mint (with LUKS encryption), you have to change it in /usr/share/plymouth/themes/mint-logo.
And then update your initramfs using
sudo update-initramfs -u
where the -u is there to tell it that we want to update an existing initramfs.
Software I like
Since I haven’t yet a list so big it would fit in its own blog post: