[K12OSN] K12 LTSP Server Down, 6 Hours later up, what happened?

[Les Mikesell]

On Tue, 2005-09-20 at 08:07, Shane Stafford wrote:
> OK, looking for some understanding here.  Working on Terminals late last
> night/early AM.    At 1:30 AM,  LTSP server stops handing out IP
> addresses.  Best I can figure, screen stuck at DHCP.  I try reboot
> (twice),  restart DHCP service, check NIC card, check ports/switches, and
> nothing.

Troubleshooting tip:  look at /var/log/messages first.

> Finally at 2:30AM I shut down server and figure I will have to come back
> in this morning.  I figure I have a bad Eth0 Nic card.  

tcpdump -i eth0
 do you see traffic?

> I come in at 8:30 AM and restart the server and it works fine.  So, what
> happened?

Just a guess: something used up all your dhcp leases and the server
would not give them out again until they expired. /var/log/messages
might give you a hint. 

-- 
  Les Mikesell
   les at futuresource.com