On an Ubuntu 16.04 system on Google GCP, I need to create a new user hello
and allow other users to SSH to the system as user hello
using their current SSH keys.
Here's what I did to add my SSH public key to hello
's authorized_keys
:
sudo useradd -m hello -s /bin/bash
sudo mkdir /home/hello/.ssh
sudo chown hello:hello -R /home/hello
sudo chmod 777 /home/hello/.ssh
sudo cat ~/.ssh/authorized_keys >> /home/hello/.ssh/authorized_keys
sudo chmod 700 /home/hello/.ssh/
sudo chmod 600 /home/hello/.ssh/authorized_keys
Problem: When I try to SSH to the server as hello
user, I get the error
Disconnected: No supported authentication methods available (server sent public key)
/var/log/auth.log
contains
Nov 4 17:37:05 hello sshd[27298]: error: Received disconnect from 174.63.124.9 port 62346:14: No supported authentication methods available [preauth] Nov 4 17:37:05 hello sshd[27298]: Disconnected from 174.63.124.9 port 62346 [preauth]
What went wrong? Thank you!
You need to change the owner of the file authorized_keys
after it is created, since it will be owned by the user running the script.
Adding this as last line to your script should do the trick.
sudo chown hello:hello /home/hello/.ssh/authorized_keys
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