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Why disable ssh login with root on a server if I only log in with keys, not password?
(sh.itjust.works)
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With aliases in the bashrc you can hijack any command and execute instead of the command any arbitrary commands. So the command can be extracted, as already stated above, this is not a weakness of sudo but a general one.
You would have to KNOW the root password.
No you can alias that command and hijack the password promt via bashrc and then you have the root password as soon as the user enters it.
No, that's not how it works.
You really should stop talking shit about things you know nothing about.
Truly sad.