Serial Terminal

Why would I need a serial terminal / serial console ?

Note: This apply to qemu/kvm virtualization.

If you do a lot over ssh on your pve server you would maybe appreciate to connect to your running VMs like:

qm status 101

qm terminal 101
starting serial terminal on interface serial0 (press control-O to exit)
------------------------------------------------------------------------------

Welcome to the Proxmox Virtual Environment. Please use your web browser to 
.....
------------------------------------------------------------------------------
pve4 login:

This is especially useful if the keyboard layout or network is broken on the guest, as the text terminal don't use them.