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bediinderjit, the links pan64 points to will show you how to configure sudo correctly. As you have noticed, probably with Ubuntu, many distros have it badly misconfigured by default and it is up to you to fix the distro's mistakes. The one key point to remember is that you may whitelist programs and their options, blacklisting does not and cannot work. So begin your plans for configuration by deciding which things you specifically wish to allow and then adding them in one at time.
looks like a single-post-member again. Anyway, the sequence "sudo su" is deprecated and also you can say "bad practice". You need to configure your system to not allow this at all.
looks like a single-post-member again. Anyway, the sequence "sudo su" is deprecated and also you can say "bad practice". You need to configure your system to not allow this at all.
I've wondered about that. When I need to escalate, I've always just used su -
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