Permitting Root Login with SSH

The full version of Photon OS prevents root login with SSH by default. To permit root login over SSH, open /etc/ssh/sshd_config with the vim text editor and set PermitRootLogin to yes.

Vim is the default text editor available in both the full and minimal versions of Photon OS. The full version also contains Nano. After you modify the SSH daemon's configuration file, you must restart the sshd daemon for the changes to take effect. Example:

vim /etc/ssh/sshd_config

# override default of no subsystems
Subsystem       sftp    /usr/libexec/sftp-server

# Example of overriding settings on a per-user basis
#Match User anoncvs
#       X11Forwarding no
#       AllowTcpForwarding no
#       PermitTTY no
#       ForceCommand cvs server
PermitRootLogin yes
UsePAM yes

Save your changes in vim and then restart the sshd daemon:

systemctl restart sshd

You can then connect to the Photon OS machine with the root account over SSH:

steve@ubuntu:~$ ssh root@

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