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Systemd wants to expand to include a sudo replacement
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this post was submitted on 30 Apr 2024
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Agreed, this is a nice inclusion. I also hate sudoers with a passion - I already use
doasbut it's not standard (in the Linux world anyway), but with systemd providing an alternative means that it'll become a standard which most distros would adopt, and I hope this means we can finally ditch the convoluted sudoers file once and for all.The thing with this is: its just a symlink to the
systemd-runbinary, which talks to PID1 to spawn new processes (in separate cgroups IIRC). Its one of the most fundamental parts of systemd. Even the debiansystemdpackage includessystemd-run.I guess the other question is if some tools the distro provides might switch to supporting it by default. For example on Arch there is
makepkgthat should never be executed as root, but does internally call some things with elevated privileges (mostlypacmanto install and remove packages). Currently it checks forsudoand if not falls back tosu, but maybe it might be worth considering changingsuforrun0if its guaranteed to be there.it does its authorization with polkit (which IIRC defaults to allow all
wheelgroup members) and giving users that shouldn't be allowed root access, root access, is not something you ever want. This is usually referred to as unauthorized privilege escalation. Also, it isn't likesudodoesn't need configuration.