[LUNA] Ping Reply question
Michael W. Hall
hallmw at att.net
Sun Sep 14 18:24:15 CDT 2014
Here is what is in /etc/resolv.conf and also the output of ps faux:
hallmw at Tardis:~$ 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
nameserver 127.0.1.1
search gateway.2wire.net
hallmw at Tardis:~$ ps faux | grep -i dns
nobody 1416 0.0 0.0 31036 1536 ? S 15:14 0:01
\_ /usr/sbin/dnsmasq --no-resolv --keep-in-foreground --no-hosts
--bind-interfaces
--pid-file=/run/sendsigs.omit.d/network-manager.dnsmasq.pid
--listen-address=127.0.1.1
--conf-file=/var/run/NetworkManager/dnsmasq.conf --cache-size=0
--proxy-dnssec --enable-dbus=org.freedesktop.NetworkManager.dnsmasq
--conf-dir=/etc/NetworkManager/dnsmasq.d
hallmw 4842 0.0 0.0 11756 932 pts/8 S+ 18:22 0:00
| | \_ grep --color=auto -i dns
On Sun, 2014-09-07 at 15:21 -0500, Branden Harper wrote:
> May also want to check 'ps faux | grep -i dns'
> On Sep 7, 2014 3:00 PM, "Jared Wilkinson" <jared52 at gmail.com> wrote:
>
> > What's in your resolv.conf file? Should be in /etc.
> >
> >
> > On Sun, Sep 7, 2014 at 2:32 PM, Michael W. Hall <hallmw at att.net> wrote:
> >
> > > Well that is the thing. No I have not been using it as a DNS Server.
> > > Not sure how that started doing that, but it does seem like it is DNS
> > > that is returning Jack.
> > >
> > > On Fri, 2014-09-05 at 22:09 -0500, Jared Wilkinson wrote:
> > > > I may have missed it somewhere, but are you using the Tardis server as
> > a
> > > > DNS server?
> > > >
> > > >
> > > > On Fri, Sep 5, 2014 at 8:23 PM, Michael W. Hall <hallmw at att.net>
> > wrote:
> > > >
> > > > > The /etc/hosts file contains:
> > > > >
> > > > > hallmw at Tardis:~$ cat /etc/hosts
> > > > > 127.0.0.1 localhost
> > > > > 127.0.1.1 Tardis
> > > > >
> > > > > # The following lines are desirable for IPv6 capable hosts
> > > > > ::1 ip6-localhost ip6-loopback
> > > > > fe00::0 ip6-localnet
> > > > > ff00::0 ip6-mcastprefix
> > > > > ff02::1 ip6-allnodes
> > > > > ff02::2 ip6-allrouters
> > > > >
> > > > >
> > > > > On Fri, 2014-09-05 at 19:55 -0500, Jared Wilkinson wrote:
> > > > > > What does your /etc/hosts file contain?
> > > > > >
> > > > > >
> > > > > > On Fri, Sep 5, 2014 at 7:53 PM, Michael W. Hall <hallmw at att.net>
> > > wrote:
> > > > > >
> > > > > > > Any idea what file you would edit to fix that?
> > > > > > >
> > > > > > >
> > > > > > > On Thu, 2014-09-04 at 18:50 -0500, Branden Harper wrote:
> > > > > > > > There you go. There is a dns server on your local system
> > > replying
> > > > > with
> > > > > > > > that name.
> > > > > > > > On Sep 4, 2014 6:29 PM, "Michael W. Hall" <hallmw at att.net>
> > > wrote:
> > > > > > > >
> > > > > > > > > I never thought to do that. Here are the results.
> > > > > > > > > hallmw at Tardis:~$ ping jack
> > > > > > > > > PING jack.gateway.2wire.net (192.168.1.78) 56(84) bytes of
> > > data.
> > > > > > > > > 64 bytes from jack (192.168.1.78): icmp_seq=1 ttl=64
> > > time=0.049 ms
> > > > > > > > > 64 bytes from jack (192.168.1.78): icmp_seq=2 ttl=64
> > > time=0.022 ms
> > > > > > > > > 64 bytes from jack (192.168.1.78): icmp_seq=3 ttl=64
> > > time=0.067 ms
> > > > > > > > > 64 bytes from jack (192.168.1.78): icmp_seq=4 ttl=64
> > > time=0.059 ms
> > > > > > > > > 64 bytes from jack (192.168.1.78): icmp_seq=5 ttl=64
> > > time=0.050 ms
> > > > > > > > > 64 bytes from jack (192.168.1.78): icmp_seq=6 ttl=64
> > > time=0.059 ms
> > > > > > > > > 64 bytes from jack (192.168.1.78): icmp_seq=7 ttl=64
> > > time=0.060 ms
> > > > > > > > > 64 bytes from jack (192.168.1.78): icmp_seq=8 ttl=64
> > > time=0.029 ms
> > > > > > > > > 64 bytes from jack (192.168.1.78): icmp_seq=9 ttl=64
> > > time=0.028 ms
> > > > > > > > > 64 bytes from jack (192.168.1.78): icmp_seq=10 ttl=64
> > > time=0.051 ms
> > > > > > > > > 64 bytes from jack (192.168.1.78): icmp_seq=11 ttl=64
> > > time=0.043 ms
> > > > > > > > > 64 bytes from jack (192.168.1.78): icmp_seq=12 ttl=64
> > > time=0.058 ms
> > > > > > > > > 64 bytes from jack (192.168.1.78): icmp_seq=13 ttl=64
> > > time=0.063 ms
> > > > > > > > > 64 bytes from jack (192.168.1.78): icmp_seq=14 ttl=64
> > > time=0.059 ms
> > > > > > > > > 64 bytes from jack (192.168.1.78): icmp_seq=15 ttl=64
> > > time=0.034 ms
> > > > > > > > > 64 bytes from jack (192.168.1.78): icmp_seq=16 ttl=64
> > > time=0.059 ms
> > > > > > > > > ^C
> > > > > > > > > --- jack.gateway.2wire.net ping statistics ---
> > > > > > > > > 16 packets transmitted, 16 received, 0% packet loss, time
> > > 15001ms
> > > > > > > > > rtt min/avg/max/mdev = 0.022/0.049/0.067/0.014 ms
> > > > > > > > > hallmw at Tardis:~$ nslookup 192.168.1.78
> > > > > > > > > Server: 127.0.1.1
> > > > > > > > > Address: 127.0.1.1#53
> > > > > > > > >
> > > > > > > > > 78.1.168.192.in-addr.arpa name = jack.
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > On Thu, 2014-09-04 at 11:25 -0500, Branden Harper wrote:
> > > > > > > > > > If you do a ping to 'jack' does it work correctly? Have
> > you
> > > > > tried
> > > > > > > > > > `nslookup jack' and `nslookup 192.168.1.78' ?
> > > > > > > > > >
> > > > > > > > > > Just a couple of things I thought of today.
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > On Wed, Sep 3, 2014 at 8:59 PM, Michael W. Hall <
> > > hallmw at att.net>
> > > > > > > wrote:
> > > > > > > > > >
> > > > > > > > > > > After I upgraded to Ubuntu 14.04 LTS, I ssh into my
> > > desktop. I
> > > > > > > then
> > > > > > > > > > > pinged my laptop to see if the reply would say tardis.
> > > Below
> > > > > are
> > > > > > > the
> > > > > > > > > > > results. Not sure where the jack is coming from, but one
> > > reply
> > > > > > > did say
> > > > > > > > > > > Tardis.
> > > > > > > > > > >
> > > > > > > > > > > mwhall at TAZ:~$ ping tardis
> > > > > > > > > > > PING tardis.gateway.2wire.net (192.168.1.78) 56(84)
> > bytes
> > > of
> > > > > data.
> > > > > > > > > > > 64 bytes from jack (192.168.1.78): icmp_req=1 ttl=64
> > > time=8.31
> > > > > ms
> > > > > > > > > > > 64 bytes from jack (192.168.1.78): icmp_req=2 ttl=64
> > > time=13.0
> > > > > ms
> > > > > > > > > > > 64 bytes from jack (192.168.1.78): icmp_req=3 ttl=64
> > > time=34.4
> > > > > ms
> > > > > > > > > > > 64 bytes from Tardis.local (192.168.1.78): icmp_req=4
> > > ttl=64
> > > > > > > time=11.1
> > > > > > > > > > > ms
> > > > > > > > > > > 64 bytes from jack (192.168.1.78): icmp_req=6 ttl=64
> > > time=4.25
> > > > > ms
> > > > > > > > > > > 64 bytes from jack (192.168.1.78): icmp_req=7 ttl=64
> > > time=6.17
> > > > > ms
> > > > > > > > > > > 64 bytes from jack (192.168.1.78): icmp_req=8 ttl=64
> > > time=7.28
> > > > > ms
> > > > > > > > > > > 64 bytes from jack (192.168.1.78): icmp_req=9 ttl=64
> > > time=3.14
> > > > > ms
> > > > > > > > > > > 64 bytes from jack (192.168.1.78): icmp_req=10 ttl=64
> > > > > time=2.92 ms
> > > > > > > > > > > 64 bytes from jack (192.168.1.78): icmp_req=11 ttl=64
> > > > > time=3.52 ms
> > > > > > > > > > > 64 bytes from jack (192.168.1.78): icmp_req=12 ttl=64
> > > > > time=4.16 ms
> > > > > > > > > > > 64 bytes from jack (192.168.1.78): icmp_req=13 ttl=64
> > > > > time=2.39 ms
> > > > > > > > > > > 64 bytes from jack (192.168.1.78): icmp_req=14 ttl=64
> > > > > time=3.17 ms
> > > > > > > > > > > 64 bytes from jack (192.168.1.78): icmp_req=15 ttl=64
> > > > > time=5.75 ms
> > > > > > > > > > > 64 bytes from jack (192.168.1.78): icmp_req=16 ttl=64
> > > > > time=3.03 ms
> > > > > > > > > > >
> > > > > > > > > > > On Thu, 2014-08-14 at 17:14 -0500, Michael W. Hall wrote:
> > > > > > > > > > > > My bad Bob. Laziness on my part. It is short for
> > > Raspberry
> > > > > > > Pi. The
> > > > > > > > > > > > little computer. They are awesome.
> > > > > > > > > > > >
> > > > > > > > > > > > On Thu, 2014-08-14 at 01:22 +0000, Bob Nance wrote:
> > > > > > > > > > > > > I’m afraid I don’t know what RPi is, but I would get
> > > it’s a
> > > > > > > remote
> > > > > > > > > > > ping server. If it reporting that name, it is resolving
> > it
> > > from
> > > > > > > > > somewhere!
> > > > > > > > > > > > >
> > > > > > > > > > > > > ---
> > > > > > > > > > > > > Bob Nance
> > > > > > > > > > > > > Novation Systems
> > > > > > > > > > > > > bob.nance at novationsys.com
> > > > > > > > > > > > > 256-534-4620
> > > > > > > > > > > > >
> > > > > > > > > > > > > On Aug 13, 2014, at 5:36 PM, Michael W. Hall <
> > > > > hallmw at att.net>
> > > > > > > > > wrote:
> > > > > > > > > > > > >
> > > > > > > > > > > > > > So you are saying tha t the RPi is putting that in
> > > the
> > > > > reply
> > > > > > > > > status?
> > > > > > > > > > > > > > That is strange, why would it do it for just my
> > > laptop?
> > > > > The
> > > > > > > > > other
> > > > > > > > > > > > > > machines have the correct name.
> > > > > > > > > > > > > >
> > > > > > > > > > > > > >
> > > > > > > > > > > > > > On Tue, 2014-08-12 at 02:58 +0000, Bob Nance wrote:
> > > > > > > > > > > > > >> I hope I understand what you’re asking. Since the
> > > ping
> > > > > > > response
> > > > > > > > > > > doesn’t carry any identifying information beyond layer 3,
> > > the
> > > > > name
> > > > > > > > > > > resolution has to be occurring on the computer reporting
> > > the
> > > > > ping
> > > > > > > > > status.
> > > > > > > > > > > Is that helpful?
> > > > > > > > > > > > > >>
> > > > > > > > > > > > > >>
> > > > > > > > > > > > > >> ---
> > > > > > > > > > > > > >> Bob Nance
> > > > > > > > > > > > > >> Novation Systems
> > > > > > > > > > > > > >> bob.nance at novationsys.com
> > > > > > > > > > > > > >> 256-534-4620
> > > > > > > > > > > > > >>
> > > > > > > > > > > > > >> On Aug 11, 2014, at 9:45 PM, Michael W. Hall <
> > > > > > > hallmw at att.net>
> > > > > > > > > > > wrote:
> > > > > > > > > > > > > >>
> > > > > > > > > > > > > >>> Ok. I am setting up my RPi and have it
> > working. I
> > > > > ping my
> > > > > > > > > laptop
> > > > > > > > > > > from
> > > > > > > > > > > > > >>> the RPi or any machine and in the reply it does
> > not
> > > > > have
> > > > > > > the
> > > > > > > > > name
> > > > > > > > > > > of my
> > > > > > > > > > > > > >>> laptop. It has Jack where the name of my machine
> > > > > should
> > > > > > > be. I
> > > > > > > > > > > have
> > > > > > > > > > > > > >>> checked the hostname file and it has the name of
> > my
> > > > > > > machine.
> > > > > > > > > > > Anyone
> > > > > > > > > > > > > >>> have an idea of where to fix that?
> > > > > > > > > > > > > >>>
> > > > > > > > > > > > > >>> Thanks,
> > > > > > > > > > > > > >>> Michael
> > > > > > > > > > > > > >>>
> > > > > > > > > > > > > >>> _______________________________________________
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> > > > > > > > > > > > > >>
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> > > > > > > > > > > > > >
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