How fix Debian or Centos or Ubuntu console just black screen
If you have Debian or Centos or Ubuntu and when you go to NoVNC Console in web panel, you get black screen. To fix it, you can simply reinstall or ssh to the vps and login as root, and
1. For Cenots 6, modify /etc/init/tty1.conf and make sure it contains below
# tty1 - getty
#
# This service maintains a getty on tty1 from the point the system is
# started until it is shut down again.
start on stopped rc RUNLEVEL=[2345]
stop on runlevel [!2345]
respawn
exec /sbin/getty -8 38400 tty1
2. For Centos 5/7, modify /etc/inittab and add1:2345:respawn:/sbin/agetty tty1 38400 linux
3. For Ubuntu 10, 12, 14, modify /etc/init/tty1.conf and add# tty1 - getty
#
# This service maintains a getty on tty1 from the point the system is
# started until it is shut down again.start on stopped rc RUNLEVEL=[2345]
stop on runlevel [!2345]
respawn
4. For Debian 5,6,7, modify /etc/inittab and add
exec /sbin/getty -8 38400 tty11:2345:respawn:/sbin/getty 38400 tty1
save the file and then Stop VPS and Start VPS via web panel.