[olug] Testing contents of resolv.conf

[Jay Bendon]

nm-tool will also show you.

zsh/2 231 % nm-tool

NetworkManager Tool

State: connected (global)

- Device: eth0  [Wired connection 1]
-------------------------------------------
  Type:              Wired
  Driver:            r8169
  State:             connected
  Default:           yes
  HW Address:        redacted

  Capabilities:
    Carrier Detect:  yes
    Speed:           1000 Mb/s

  Wired Properties
    Carrier:         on

  IPv4 Settings:
    Address:         redacted
    Prefix:          21 (255.255.248.0)
    Gateway:         redacted

    DNS:             redacted
    DNS:             redacted
    DNS:             redacted


--Jay


On Thu, Aug 22, 2013 at 3:59 PM, Kevin <sharpestmarble at gmail.com> wrote:

> What about iptables?
>
>     sudo iptables -I OUTPUT -d $primary_dns_server_ip -j REJECT
>
>
> On Thu, Aug 22, 2013 at 4:47 PM, Jay Bendon <jaybocc2 at gmail.com> wrote:
>
> > man host
> >
> >
> > host domain.com.to.look.up $server_ip_to_query_from
> >
> > --Jay
> >
> >
> > On Thu, Aug 22, 2013 at 2:43 PM, Dave Thacker <dthacker at bluestrain.net
> > >wrote:
> >
> > > Scenario:
> > >
> > > The corporate mothership hath decreed that a new IP address be added to
> > > /etc/resolv.conf on all linux devices, including some IVR appliances in
> > my
> > > realm.  (CentOS  and Red Hat)  The new address points to a snazzy new
> DNS
> > > appliance.
> > >
> > > The Name Service Caching Daemon (nscd) is not in use, these boxes do
> not
> > > run
> > > any SMTP.  The primary application has the addresses it needs in
> > > /etc/hosts.
> > > My google-fu has failed me on finding a suitable way to see if this
> > second
> > > ip
> > > address would be used in a DNS lookup.   Anybody got a command line I
> > could
> > > run and pull a return from?
> > >
> > > Dave
> > >
> > >
> > >
> > > _______________________________________________
> > > OLUG mailing list
> > > OLUG at olug.org
> > > https://lists.olug.org/mailman/listinfo/olug
> > >
> > _______________________________________________
> > OLUG mailing list
> > OLUG at olug.org
> > https://lists.olug.org/mailman/listinfo/olug
> >
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