How do I reinstall sudo?

How do I reinstall sudo?

Thanks to @Oli for this wonderful piece of code .

1. Now chroot into that mounted directory, $ sudo chroot /media/ubuntu # apt-get update.
2. Install sudo package by running, # apt-get install sudo.
3. Now exit out of chrooted environment. exit.
4. Finally boot up your Ubuntu OS. Now test your sudo command, it will surely works.

How do I fix Sudoers syntax error?

To fix this syntax error, stop the instance, detach its root volume, attach it to a recovery instance, mount the root volume as a secondary volume, and then revert the changes to the sudoers file.

How do I uninstall and reinstall dpkg?

Ubuntu dpkg recovery

1. Recover dpkg status file cp /var/backups/dpkg.status.0 /var/lib/dpkg/status.
2. Reinstall – dpkg cd /var/cache/apt/archives/ dpkg –force-depends -i dpkg_*.deb.
3. Reinstall – apt cd /var/cache/apt/archives/ dpkg –force-depends -i apt_*.deb dpkg –force-depends -i apt-utils_*.deb apt-get update.

How do I get root permission in Linux Mint?

Type “su” at the terminal and press “Enter” to become the root user. You can also log in as root by specifying “root” at a login prompt.

How do I fix sudo etc sudoers is world writable?

“sudo: /etc/sudoers is world writable” – How to correct the permissions of sudoers file

1. Verify that sudoers file permission is correct: # ls -l /etc/sudoers.
2. The expected output: -r–r—–.
3. Changed the file permission if needed as root: # chmod 440 /etc/sudoers.
4. If step 2 is performed, verify the change that was made:

What should I do if my Sudo is broken?

Or you may just see the next command prompt without any action being executed. Since fixing sudo involves editing system files, and you would otherwise need sudo to do so, you’ll have to boot into recovery mode to gain root (system-wide) access in order to repair sudo .

Do you have to reboot to run Sudo file?

Nope, you have to reboot, or log in as root if you allow root logins. This is the reason you should always use visudo when you modify the sudoers file. visudo will check the syntax of the sudo file before saving it, protecting you from this specific problem (but not from writing a sudoers file that disallows you from running sudo!)

Is there a way to fix a corrupted sudoers file?

Modern GNU/Linux distribution systems come with a quite fast and easy way to fix the corrupted sudoers file and don’t require rebooting using a live CD, or physical access to the machine. It would prompt for the password.

Why is my sudoers file not open yet?

While providing sudo permission to a specific user did a mistake, saved and closed it before I realize. Later when tried to execute sudo -s encountered the below error message. I’m unable to open sudoers file and edit again to fix it.