This is all I can picture... I give you, the "Rebot".
[image: Inline image 1] On Wed, Aug 29, 2012 at 4:15 PM, Mark Jenkins <m...@parit.ca> wrote: > On 08/29/12 15:55, Roswyne wrote: > >> I don't think a "physical" phone line is likely to be practical at this >> point (due to the extra cost), though I'll admit it would have other >> advantages. (You can't use the VOIP phone at the space to tell Colin >> that internet access is out, for example.) >> > > But would it be possible to "relay" a signal received over the internet >> connection to the RS232 port to trigger a soft shutdown remotely? >> > > I mentioned that as a yes, but it's not as good as what Chris suggests. > > Normally on a sever you run a login daemon on the serial (RS232) port as a > backup if regular remote access isn't up. So if you connect to that you got > a login prompt and then a command prompt and then can type "reboot" or > "halt". > > But, that's a lot of user space processes that still have to be able to > work correctly. There could (in theory) be a situation where those > processes don't respond, but a userspace daemon in charge of picking up the > button press is able to respond and perform a soft shutdown. > > Having remote access to the serial port is most useful for the situation > where you've screwed up your network configuration on the server and need > to get into it another way. > > The only other way to guarantee the ability to attempt a soft reboot > without installing an embedded system inside the computer (like the card > Chris mentions) would be to contruct a robot/machine that goes up to the > button and presses it. > > > > > ______________________________**_________________ > SkullSpace Discuss Mailing List > Help: > http://www.skullspace.ca/wiki/**index.php/Mailing_List#Discuss<http://www.skullspace.ca/wiki/index.php/Mailing_List#Discuss> > Archive: > https://groups.google.com/**group/skullspace-discuss-**archive/<https://groups.google.com/group/skullspace-discuss-archive/> >
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