Destination Host Unreachable

Hi, My appserver01 stopped working.

Task3-host%20unreachable

Why is this happening?

Try ssh tony@stapp01

Refer to this useful link. Nautilus
I hope this helps.

thor@jump_host /$ ssh [email protected]

The authenticity of host ‘172.16.238.10 (172.16.238.10)’ can’t be established.
ECDSA key fingerprint is SHA256:AbnQ1h5CAmCFWH+QryQpnC6tweWVCSRON62Ry/gIl5c.
ECDSA key fingerprint is MD5:05:1a:e4:f8:44:ca:5d:81:4b:e2:2e:eb:75:de:db:b0.
Are you sure you want to continue connecting (yes/no)? yes

Warning: Permanently added ‘172.16.238.10’ (ECDSA) to the list of known hosts.
[email protected]’s password:

[tony@stapp01 ~]$