No access from ubuntu server 18/04?

Question

ubuntu

Help with advice on what to do how to restore access to vps ubuntu 18/04? what should be the permissions on the folders and files lunux cbntv
first the sudo command fell off
error
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sudo: unable to stat /etc/sudoers: Permission denied
sudo : no valid sudoers sources found, quitting
sudo: unable to initialize policy plugin

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permissions
-r--r----- 1 root root 755 Jan 18 2018 sudoers
dr--r----- 2 root root 4096 Jun 5 10:53 sudoers.d
-r--r----- 1 root root 958 Feb 2 2020 /etc/sudoers.d/README
booted from LIVE DISK emergency vps ? how to restore ssh access

Answer 1

Try first to check the disk for file system errors, usually the rights just don’t fly off, is there a reason, or did you pick it yourself?