CONNECTION GUIDE / 01
Prepare an SSH connection
Direct SSH has been tested on real hardware. Before you begin, check that you can safely reach the target host.
Core connection verifiedWhat you need
- Host address: a domain name or IP address
- SSH port: check the server configuration; the common default is 22
- Your username and the authentication method provided by your administrator
- Any network requirements, such as a VPN or IP allowlist
Check a basic connection first
These are standard SSH examples for the macOS terminal, not Docklark installation or app commands. Replace the example username and host with a system you are authorized to access.
ssh user@server.example.comIf the server uses a custom port:
ssh -p 2222 user@server.example.comOn your first connection
SSH may ask you to confirm the host fingerprint. Verify it with your administrator or another trusted source before continuing. Do not skip identity checks just to make a connection work.
If the connection fails
Connection timed out
Check your network, VPN, host address, port, and firewall rules. The target may be temporarily unreachable.
Permission denied
Check your username, authentication method, and account permissions. Do not post authentication details publicly.
Host key changed
Stop connecting and ask your administrator whether the host was legitimately replaced or its key rotated.
If your connection requires a bastion, continue with Prepare a JumpServer connection.