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Editorial Team
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Asked: 2026-05-27T23:54:48+00:00

I’m trying to install Ruby on Rails and I was using SSH to login

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I’m trying to install Ruby on Rails and I was using SSH to login to the linux machine, when I started working, everything was fine and I’m sure there was a mistake I made where the file/directory permissions changed.

Now when I try to send a command like: 

sudo apt-get install rubygems

I get this error:

sudo: can't open /etc/sudoers: Permission denied

Not sure what to do next, what options do I have. I can login as root user as well but I don’t want to dig a deeper hole for myself.

The linux machine is running on Ubuntu 10.04.

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1 Answer

  1. Editorial Team

    Try this:

    chmod -R 0440 /etc/sudoers.d

    may be you changed the permissions by mistake.

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