>On 09/03/2022 20:28, Dr Rainer Woitok wrote: >> until recently my system behaves sort of strangely: >> >> $ echo x | sudo tee /tmp/file >> Password: >> tee: /tmp/file: Permission denied >> [...] >> >> Since when can't root write to files it doesn't own? And not even, if >> the file has write permission for everybody? > >This is normal, at least when using systemd. To disable this behavior, you >have to set: > > sysctl fs.protected_regular=0 > >But you should know what this means when it comes to security. See: > > https://www.spinics.net/lists/fedora-devel/msg252452.html > >
And they chose to have systemd set that instead of putting it in sysctl.conf or the default kernel settings where it belongs? Good grief! I guess if you're going to use systemd you need to subscribe to the Fedora mailing lists so you get at least a little notice before they break things. LMP
