SSHexit code > 0
ssh: Could not resolve hostname
$ssh: Could not resolve hostname my-server: Name or service not known
Analysis
The SSH client cannot translate the hostname you provided into an IP address.
Common Triggers
- ●Typo in hostname.
- ●DNS server failure.
- ●Missing entry in
~/.ssh/configor/etc/hosts.
Debug Checks
- $Ping the hostname:
ping <hostname>.
Resolution
1
Correct the hostname typo.
2
Add the host to
~/.ssh/config or /etc/hosts.Metadata
- Tool
- SSH
- Severity
- High
- Tags
- #ssh#dns#config