$ usec
Error opening terminal: xterm-256color.1. If the user directory
$ cd ~2. Add Bash_Profile file
$ vim .bash_profile3. Add the following two lines to the Bash_profile, save and exit.
export TERMINFO=/usr/share/terminfo
export TERM=xterm-basic4. Update to make it effective
$ source .bash_profilemethod one: trying to install VirtualBox Extension Pack, address: https://www.virtualbox.org/wiki/Downloads. The WARNING in USB setting will disappear. Also: All warnings of Virtual Box should be alert and try to handle, or the OS inside the sandbox will be buggy.
method failed, try: https://superuser.com/questions/1136607/virtualbox-usb-capture-issue-windows-7-host-guest