csshx:tldr:66963

The command "csshX ${hostname1} ${hostname2}" is likely a command used in a Unix/Linux environment to open a Cluster SSH (cssh) connection to multiple remote hosts simultaneously.

Here is an explanation of the command and its components:

• "csshX": It is the command used to open the Cluster SSH connection. "csshX" is a variant of "cssh" command and often used on macOS systems. The exact behavior and features of "csshX" may vary depending on the system and the version installed.

• "${hostname1} ${hostname2}": These are placeholders for the actual hostnames or IP addresses of the remote hosts to which you want to establish the CSSH connection. For example, if you wanted to connect to two remote hosts with hostnames "example1" and "example2", you would replace ${hostname1} with "example1" and ${hostname2} with "example2".

In summary, the command allows you to open a Cluster SSH connection to two remote hosts simultaneously. Once the connection is established, you can manage and interact with both hosts through a single terminal, making it easier to execute commands, edit files, or perform administrative tasks across multiple systems at once.