Re: is root realy root ?

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On 2023-01-21 15:37, Jeffrey Walton wrote:
chown: changing ownership of '/root/.cache/doc': Operation not permitted

It sounds like selinux.


If the problem were SELinux, the system would report "permission denied" and not "operation not permitted".  You can verify this with a little bit of roundabout testing.  Open two terminals and start "root" sessions in both.

You won't be able to start a confined shell with type sshd_t if the system is enforcing, but you won't be able to test the behavior of the policy while it's permissive, so...

setenforce permissive # In the first shell
runcon system_u:system_r:sshd_t:s0-s0:c0.c1023 /bin/sh # In the second shell
setenforce enforcing # In the first shell, again
# Now, in the second shell, you can test...
sh-5.2# touch foo
sh: child setpgid (83679 to 83679): Permission denied
touch: cannot touch 'foo': Permission denied


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