Debian: Modify the SSH port and host name, debianssh

Debian: Modify the SSH port and host name, debianssh

Modify the SSH port (CentOS/Debian ):

The default port number is 22.

Modify the Port number in the/etc/ssh/sshd_config file.

In Debian and its derivative versions, you can modify the hostname by modifying the file,

The hostname in Debian exists in the file/etc/hostname.

The content in the file is the hostname. directly change the file content and update it.

/Etc/init. d/hostname. sh start

Then, the file will be read to obtain the host name every time it is started.