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October 24, 2005

Solaris vs Serial Terminals

If you unplug the serial console on a Sun server it will halt the box. This is not a bug. It is how the system is supposed to work.

If an unreasonable customer wants this behaviour changed, there are two parts. To fix it right now (until the next reboot) use:

# kbd -a disable

To fix it for after the next reboot, edit /etc/default/kbd and uncomment the line which disables the interrupt.

Note that the side effect is that you cannot use Control-Break to halt the server.

Posted by Ozguru at October 24, 2005 06:00 AM