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GCP VM
GCP VM
Timed out
Timed out

SSH Config File:
/etc/ssh/sshd_config # sshd server configuration file
Port 22
ListenAddress 0.0.0.0
PermitRootLogin prohibit-password
PubkeyAuthentication yes
PasswordAuthentication yes
PermitEmptyPasswords no
KerberosAuthentication no
UsePAM yes
Banner none
TCPKeepAlive yes

/etc/ssh/sshd_config # ssh client configuration file

Restart SSHD:
sudo systemctl restart sshd.service
sudo systemctl status sshd.service

Wrong IP:
ssh: connect to host 192.168.1.51 port 22: No route to host

Wrong Port:
ssh: connect to host 192.168.1.50 port 2222: Connection refused

Netstat:
netstat -ant | grep 22
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN

Journalctl:
journalctl -xe


== System Design ==
== System Design ==