Ubuntu Modify SSH remote host name, mac Boot Run command, silently start virtual box vm, silently execute run script

First, modify the host name

SSH Login

Vi/etc/hostname

Vi/etc/hosts

Hostname ulocal

Ensure that the hostname of the 127.0.0.1 is consistent with the above, do not use special symbols, examples:

Ulocal, representing the local Ubuntu testing machine

QDU125, representative of Qingdao ubuntu125 server

Second, Mac Boot run

Add the instruction script file in the user login items to ensure that the command file has execute permissions.

Third, silent mode script example for starting a virtual machine instance

/applications/virtualbox.app/contents/macos/vboxmanage STARTVM "ubuntu.local"--type headless

Iv. Running Scripts silently

COMMAND >/dev/null 2>&1 &

Ubuntu Modify SSH remote host name, mac Boot Run command, silently start virtual box vm, silently execute run script