I am getting stuck in the initial login state of the vps terminal here is the output: "Welcome to Oracle Cloud Shell.
Your Cloud Shell machine comes with 5GB of storage for your home directory. Your Cloud Shell (machine and home directory) are located in: US Midwest (Chicago).
You are using Cloud Shell in tenancy greggblazer as OCI local user greggblazer@gmail.com
Type help for more info.
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Welcome to the Oracle Cloud Shell Tutorial
Cloud Shell is a web-based terminal which includes many useful tools including current versions of the OCI CLI and SDKs.
Would you like to run a tutorial to learn more about all the features included in Cloud Shell? (Type N to quit) [Y|N] n
If you want to run it in the future you can just type cstutorial.
greggblaze@cloudshell:~ (us-chicago-1)$ sudo - s
/opt/rh/gcc-toolset-10/root/usr/bin/sudo: line 41: /usr/bin/sudo: No such file or directory
greggblaze@cloudshell:~ (us-chicago-1)$ ssh ubuntu@163.192.207.142
The authenticity of host '163.192.207.142 (163.192.207.142)' can't be established.
ECDSA key fingerprint is SHA256:O5dkBOdSPpEj0xBkEDZ9tR8QuszqSFlkoUunBZhgHkQ.
Are you sure you want to continue connecting (yes/no/[fingerprint])? yes
Warning: Permanently added '163.192.207.142' (ECDSA) to the list of known hosts.
ubuntu@163.192.207.142: Permission denied (publickey).
greggblaze@cloudshell:~ (us-chicago-1)$ " advise me wht to do. @gentle chasm