Not only is this not a practical solution, it will not even work.
First, it's not practical because in order to put a modem into any modern machine, I will need to find a modem supported by Linux. Most often, this will typically not be a hardware modem, but a software modem that has Linux drivers, proprietary. This means I'm supposed to taint a production server kernel merely because I occasionally need a modem. Sounds like more trouble than it's worth to me.
Then again, it will simply not work. The situation I'm talking about here is a situation in which the machine paniced. Under these conditions, there is no device support at all, much less a remote console.
Omer Zak wrote:
I'd look also for a watchdog timer plug-in card for a PC (no idea if one really exists).
--- Omer
Thanks. Watchdog cards actually exist for PCs, and they do have kernel support. The kernel also has support for "software watchdog timer" which is not as reliable as a hardware watchdog, but will often get the job done nevertheless.
Still, given the fact that I was not the only one who found this option necessary, and that the default kernel does have it, I think watchdog cards are not worth the extra buck in my case.
Shachar
-- Shachar Shemesh Lingnu Open Source Consulting http://www.lingnu.com/
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