Re: [SLE] Determing IP address

From: Paul Ryan (Paul_Ryan_at_gmx.net)
Date: 11/04/04

  • Next message: Anders Johansson: "Re: [SLE] Determing IP address" 
    To: Suselist <suse-linux-e@suse.com>
Date: Thu, 04 Nov 2004 21:04:37 +0100

    On Thu, 2004-11-04 at 16:54, Ted.Harding@nessie.mcc.ac.uk wrote:
    > On 04-Nov-04 Paul Ryan wrote:
    > > On Thu, 2004-11-04 at 15:17, James Knott wrote:
    > >> Paul Ryan wrote:
    > >> > How can I determing the IP address of a server, when I use
    > >> > ping and then the ftp:// address I get the response unknown host.

    > > I'm just trying to get the IP for a ftp install. When I use the
    > > browser or Gftp I conect with no problem but I can't determin the IP
    > > for a ftp install.
    >

    >
    >
    > You can try (you may need to do this as root):
    >
    > dig -a the.host.name
    >
    > If it can be found, then this will tell you the IP address,
    > as in:
    >
    > # dig -a dns1.btinternet.com
    >
    > ; <<>> DiG 2.2 <<>> -a dns1.btinternet.com
    > ;; res options: init recurs defnam dnsrch
    > ;; got answer:
    > ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6
    > ;; flags: qr rd ra; Ques: 1, Ans: 1, Auth: 4, Addit: 4
    > ;; QUESTIONS:
    > ;; dns1.btinternet.com, type = A, class = IN
    >
    > ;; ANSWERS:
    > dns1.btinternet.com. 35182 A 194.73.73.172
    >
    > If this too fails, then you should look to your /etc/resolv.conf
    > file, which should include the IP address of at least one reachable
    > DNS server, on the lines of
    >
    > nameserver 194.73.73.94
    >
    > as well as a suitable "search" line.
    >
    > Hoping this helps,
    > Ted.
    >
    >

    dig is interesting and confusing at the same time check this out I'm not
    sure if Suse redirects or what. I cann't see how two sites could have
    the same IP address. Sorry that I didn't cut some of this but I wasn't
    sure as to what is important.

    papa@linux:~> dig ftp://ftp.gwdg.de/pub/linux/suse/

    ; <<>> DiG 9.2.3 <<>> ftp://ftp.gwdg.de/pub/linux/suse/
    ;; global options: printcmd
    ;; Got answer:
    ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 36365
    ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

    ;; QUESTION SECTION:
    ;ftp://ftp.gwdg.de/pub/linux/suse/. IN A

    ;; AUTHORITY SECTION:
    . 3600 IN SOA a.root-servers.net.
    nstld.verisign-grs.com. 2004110400 1800 900 604800 86400

    ;; Query time: 84 msec
    ;; SERVER: 217.237.151.161#53(217.237.151.161)
    ;; WHEN: Thu Nov 4 20:48:26 2004
    ;; MSG SIZE rcvd: 126

    papa@linux:~> dig ftp://ftp.rz.uni-ulm.de/pub/mirrors/suse

    ; <<>> DiG 9.2.3 <<>> ftp://ftp.rz.uni-ulm.de/pub/mirrors/suse
    ;; global options: printcmd
    ;; Got answer:
    ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 16003
    ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

    ;; QUESTION SECTION:
    ;ftp://ftp.rz.uni-ulm.de/pub/mirrors/suse. IN A

    ;; AUTHORITY SECTION:
    . 3600 IN SOA A.ROOT-SERVERS.NET.
    NSTLD.VERISIGN-GRS.COM. 2004110400 1800 900 604800 86400

    ;; Query time: 155 msec
    ;; SERVER: 217.237.151.161#53(217.237.151.161)
    ;; WHEN: Thu Nov 4 20:48:38 2004
    ;; MSG SIZE rcvd: 133

    papa@linux:~>

    I get the same results as root and with -a I get Invalid option: -a

    interesting

    Thanks for all of the answers 

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