Network gurus

Tue Nov 7 09:00:40 MST 2017

On my Linux boxes (Linux Mint), there is /etc/resolvconf/resolv.conf.d dir which has 3 files:  base, head, tail.

Put ‘nameserver 8.8.8.8’ into base (or tail) and it should always get added to resolv.conf every reboot.  (You might look at all 3 files, my favourite trick for this is:

more /etc/resolvconf/resolv.conf.d/*|less

and see what’s in them before you start.)

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From: PLUG-discuss [mailto:plug-discuss-bounces at lists.phxlinux.org] On Behalf Of Michael
Sent: Tuesday, November 07, 2017 4:31 AM
To: Main PLUG discussion list
Subject: Re: Network gurus

$ systemd-resolve --status
systemd-resolve: unrecognized option '--status'
$ systemd-resolve
No arguments passed.

On Tue, Nov 7, 2017 at 6:27 AM, Michael <bmike1 at gmail.com<mailto:bmike1 at gmail.com>> wrote:
$ cat /etc/resolv.conf
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
#     DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
# 127.0.0.53 is the systemd-resolved stub resolver.
# run "systemd-resolve --status" to see details about the actual nameservers.

$ echo "nameserver 8.8.8.8"|sudo tee /etc/resolv.conf;sudo systemctl restart network-manager.service
[sudo] password for bmike1:
nameserver 8.8.8.8
$ cat /etc/resolv.conf
nameserver 8.8.8.8

On Mon, Nov 6, 2017 at 11:08 PM, Brien Dieterle <briend at gmail.com<mailto:briend at gmail.com>> wrote:
Probably because you are getting the dns servers from dhcp.  The best way to fix this I'd to fix the dns servers on your router.  Maybe restarting your router will solve the problem since you are probably using the dns server on the router.

What DNS server does it say you are using before you overwrite resolv.conf?

On Nov 6, 2017 8:50 PM, "Michael" <bmike1 at gmail.com<mailto:bmike1 at gmail.com>> wrote:
there is a small problem.... the DNS setting does not survive a reboot.
Should I put:
echo "nameserver 8.8.8.8"|sudo tee /etc/resolv.conf;sudo systemctl restart network-manager.service
in:
/etc/rc.local
or is there a better file to put it in?

What are some other servers I might want to include? would I put:
echo "nameserver 8.8.8.8, <whatever>, Whatever>, <etc>"|sudo tee /etc/resolv.conf;sudo systemctl restart network-manager.service

On Mon, Nov 6, 2017 at 10:04 PM, Brien Dieterle <briend at gmail.com<mailto:briend at gmail.com>> wrote:
Maybe you get your servers from dhcp

On Nov 6, 2017 7:29 PM, "Michael" <bmike1 at gmail.com<mailto:bmike1 at gmail.com>> wrote:
how did my servers get messed up? any ideas?

On Mon, Nov 6, 2017 at 7:41 PM, Michael <bmike1 at gmail.com<mailto:bmike1 at gmail.com>> wrote:
how it was ultimate ly fixed:

CODE: SELECT ALL<https://forums.linuxmint.com/viewtopic.php?f=53&t=256719&p=1385098>
echo "nameserver 8.8.8.8" | sudo tee /etc/resolv.conf

CODE: SELECT ALL<https://forums.linuxmint.com/viewtopic.php?f=53&t=256719&p=1385098>
systemctl restart network-manager.service

On Mon, Nov 6, 2017 at 6:52 PM, Michael <bmike1 at gmail.com<mailto:bmike1 at gmail.com>> wrote:
I found out it has to do with domain name resolution.
I can ping 8.8.8.8 but when I try to ping google.com<http://google.com> it says
Temporary failure in name resolution.

On Mon, Nov 6, 2017 at 10:32 AM, Herminio Hernandez, Jr. <herminio.hernandezjr at gmail.com<mailto:herminio.hernandezjr at gmail.com>> wrote:
What do you mean connectivity? Do you have an IP address? Can you ping your default gateway? Post the output of these commands

ip address
ip neighbor
ip route show

On Nov 6, 2017 3:35 AM, "Michael" <bmike1 at gmail.com<mailto:bmike1 at gmail.com>> wrote:
well, there is connectivity just no internet

On Mon, Nov 6, 2017 at 5:23 AM, Michael <bmike1 at gmail.com<mailto:bmike1 at gmail.com>> wrote:
the thinng about it is that the network connection is good. I even tried plugging a wireless dongle in to see if it was the card but the new network connection popped up on the screen but no connectivity.

On Sun, Nov 5, 2017 at 11:10 PM, Stephen Partington <cryptworks at gmail.com<mailto:cryptworks at gmail.com>> wrote:
This sounds like it is in a loose slot or that you flex the mainboard when you open it up. Just reseat it much like the Graphics card.

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