If you remotely log on from one linux server to another through ssh, this is usually used when multiple servers are used. Because a firewall is often set up for the server and cannot directly access a server on the Internet, to access it, you need to first connect to a machine outside the firewall, then, connect to the server in the firewall. If you use the root account to connect to a machine with the IP address 192.168.1.102, enter: & if you remotely log on to another machine from a linux server through ssh,
This situation is usually used when multiple servers are used.
Because a firewall is often set up for the server and cannot directly access a server on the Internet,
To be accessible, you must first connect to a machine outside the firewall and then connect to the server in the firewall.
If you use the root account to connect to a machine with the IP address 192.168.1.102, enter "ssh 192.168.1.102-l root ",
Enter the password of the root account and then press Enter to confirm.
If the ssh port of the server is not the default port 22 and is a custom port 1234, you can add the parameter-p after the command,
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