[kwlug-disc] Problem reaching server

[B.S.]

> This is getting interesting, to say the least.  I can hit those VMs
> with no problems, but my ownCloud install is inaccessible (as well as the
> server itself).

Help us out ... this is from outside your premises to within?

Your OwnCloud is a box within your premises or a vm or?

If you can hit a vm (via ssh, say), are you then able to get to the 
server? e.g. Does it ping, even if it won't give you an ssh prompt?

If it gives you an ssh prompt from the vm, then you have a routing or 
permissions (e.g. firewall) issue. If it won't even ping then you have a 
hardware or software ethernet issue, and the only way you're going to 
get useful information to figure this out is from the server itself. 
'ifconfig', 'route', and 'iptables -L' will be useful information to be 
able to help. If nothing can get in, that server's state or perception 
of the world is the only thing that will help. Given that you can get 
through the server, it's not likely a hardware issue.

Given that this was working for you, likely a bug was introduced. Which 
is to say, a followup update may resolve the issue, and any corrective 
action you do now to fix things may have to be reversed upon software 
update.

Going forwards, consider establishing a reverse ssh tunnel from the 
server to a vm or other internal machine. I've seen where current 
connections stay stable, it's only new connections that are prevented. 
Then, at need, you could reverse ssh in from that endpoint to see what's 
going on / fix - if only to trigger a reboot. (And a reboot may be a 
nasty thing - essentially summarily yanking the power from any vm's, etc.)


On 03/14/2015 11:41 AM, CrankyOldBugger wrote:
> Well, commenting out the "auto br0" portion of interfaces didn't make
> any difference.. Nice try, though.
>
> This is getting interesting, to say the least.  I can hit those VMs
> with no problems, but my ownCloud install is inaccessible (as well as
> the server itself).
>
>
> On Sat, 14 Mar 2015 at 00:09 B.S. <bs27975 at yahoo.ca> wrote:
>
>> I have also been experiencing disappearing connectivity since early
>> this year with a remote K/Ubuntu 14.04. eth0 appear up and happy
>> per ifconfig, but nothing pings.