Unable To access authorized_keys when logging in through ssh and the user is a sudo user

Question

I am connecting to a remote server through SSH abd then switching the user to a sudo user.But then when I am trying to write to the authorized_keys file it is saying...permission denied.

This is what I am able to see as an output::- " bash: /home/techm/tmsys/Sap1/.ssh/authorized_keys: Permission denied

"

Answer 1

您可能没有在编辑文件的命令前添加“ sudo”。

Answer 2

If you didn't mess up your system, cat >> ~/.ssh/authorized_keys (or any other way of appending to this file) will work. Make sure you are in the correct directory ! (In this case by using ~ ). Becoming root to write to your own authorized_keys is not necessary.

If the user never used ssh before then .ssh will not exist and you can't write to a file in a directory that doesn't exist, so run ssh to create this dir

If it doesn't work than you have a messed up system and this could be caused by a lot of things:

• The file somehow received incorrect permissions
• The user has been removed
• The .ssh directory has been removed
• ...