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  1. Disabling SSH Timeout When Connecting to/from Ubuntu
  2. Connect to SSH without password (RSA KEY)
  3. Config Port ssh For VM and Host windows

config login with public / private key :

https://wpclouddeploy.com/add-your-existing-ssh-key-to-the-root-user-account/

ctrl service

service sshd restart

You can also change the configuration of SSHD. Edit /etc/ssh/sshd_config and add

$ nano /etc/ssh/sshd_config

set

PermitRootLogin yes

SSH Password Login for Non-Root Users

To allow SSH access for users other than root using a password, make sure the following options are set in /etc/ssh/sshd_config:

PasswordAuthentication yes
AllowUsers root <username>

enable root login from ssh

sudo nano /etc/ssh/sshd_config

# search for the line starting with

PermitRootLogin yes

# must be "yes", "without-password", "forced-commands-only" or "no".

SSH Config

causes of slow ssh logins Try setting UseDNS to no in /etc/sshd_config or /etc/ssh/sshd_config

 UseDNS no

change port SSH

netstat -tulnp | grep ssh
nano /etc/ssh/sshd_config
Port 22333
systemctl restart sshd
netstat -tulpn | grep ssh
ssh -p 22333 user@localhost
ufw allow 22333/tcp