I had this on one of my RPi nodes, it would loose the DNS servers in resolvconf.   I used 
sudo apt-get install --reinstall resolvconf and it fixed a file that went bad (maybe user mayfunction).  
Check to see if it can ping by name or by ip address next time this happens, to confirm if it is loosing connection to outside world or just lossing dns.


On Tue, Feb 20, 2018 at 9:23 PM, David Shaw <shawpbx@gmail.com> wrote:
IS your node DHCP or static? Can you ping yahoo.com?



David



--
Thanks, David

"Laws that forbid the carrying of arms...disarm only those who are neither inclined nor determined to commit crimes. Such laws make things worse for the assaulted and better for the assailants; they serve rather to encourage than prevent homicides, for an unarmed man may be attacked with greater confidence than an armed one."
Thomas Jefferson

On Tue, Feb 20, 2018 at 4:13 PM, David Waters <dwaters5@yahoo.com> wrote:
Hi
My node was running and connecting but after 4 days it will not connect anymore to internet. When I check my router to see what devices are connected the node no longer shows up. I can connect to my node with putty internally, but nothing will connect to it outside my local net. I tried to ping googsl snd other places from my node but nothing, I can ping from my computer.  I found s file resolv.conf, in etc directry. but I am not sure what should be in this file if anything. Mine shows an ip address that isn't used on my system it is 72.something.
Am i just looking at the wrong place and if so where should I look to fix problem?
This happens it seems everytime my internet provider changes the host ip address, I can only get back on line by running firsttime and setting everything up again. I am really tired of doing this every 4 to 5 days. There has to be a fix in some conf file some place, but I have very very linited linux experiance.
Can anyone help Please. I have tried everything I can think of which isn;t much.

Dave 

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Nathan Hardman
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