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Thread: how to resolve dns

  1. #1
    jason.rgd is offline Intermediate Member
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    Default how to resolve dns

    We have a lan of 10 workstations ... Our router ip is 10.0.0.1 ...

    I get the following error while installing zimbra on my machine....

    DNS ERROR resolving leena //-->my hostname...
    It is suggested that the hostname be resolveable via DNS
    Re-Enter hostname [Yes] LEENA
    A Yes/No answer is required
    Re-Enter hostname [Yes] yes
    Please enter the logical hostname for this host [leena] LEENA
    No results returned for A lookup of LEENA
    Checked nameservers:
    10.0.0.1


    DNS ERROR resolving LEENA
    It is suggested that the hostname be resolveable via DNS

    is it because my machine is not assigned a domain name or some thing of that sort.

  2. #2
    phoenix is online now Zimbra Consultant & Moderator
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    Go to the Split DNS article and follow that.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  3. #3
    jason.rgd is offline Intermediate Member
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    Default some other problems....

    # ./install.sh
    hostname: Unknown host
    hostname: Unknown host

    Operations logged to /tmp/install.log.5125
    Checking for existing installation...
    zimbra-ldap...NOT FOUND
    zimbra-logger...NOT FOUND
    zimbra-mta...NOT FOUND
    zimbra-snmp...NOT FOUND
    zimbra-store...NOT FOUND
    zimbra-apache...NOT FOUND
    zimbra-spell...NOT FOUND
    zimbra-convertd...NOT FOUND
    zimbra-memcached...NOT FOUND
    zimbra-proxy...NOT FOUND
    zimbra-archiving...NOT FOUND
    zimbra-cluster...NOT FOUND
    zimbra-core...NOT FOUND


    PLEASE READ THIS AGREEMENT CAREFULLY BEFORE USING THE SOFTWARE.
    ZIMBRA, INC. ("ZIMBRA") WILL ONLY LICENSE THIS SOFTWARE TO YOU IF YOU
    FIRST ACCEPT THE TERMS OF THIS AGREEMENT. BY DOWNLOADING OR INSTALLING
    THE SOFTWARE, OR USING THE PRODUCT, YOU ARE CONSENTING TO BE BOUND BY
    THIS AGREEMENT. IF YOU DO NOT AGREE TO ALL OF THE TERMS OF THIS
    AGREEMENT, THEN DO NOT DOWNLOAD, INSTALL OR USE THE PRODUCT.

    License Terms for the Zimbra Collaboration Suite:
    Zimbra - Zimbra Public End-User License Agreement, Version 2.3


    Press Return to continue


    ERROR: Installation can not proceeed. Please fix your /etc/hosts file
    to contain:



    Where is the ip address of the host,
    is the FULLY QUALIFIED host name, and
    is the (optional) hostname-only portion

    delsoft:/home/jason/Desktop/desktop clutter/zcs-6.0.7_GA_2473.DEBIAN5.20100616212143# gedit /etc/hosts

    (gedit:5217): GnomeUI-WARNING **: While connecting to session manager:
    Authentication Rejected, reason : None of the authentication protocols specified are supported and host-based authentication failed.


    This is after doing the split dns thingy...

  4. #4
    phoenix is online now Zimbra Consultant & Moderator
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    Default

    The first thing to mention is that the version of Ubuntu you're using is not, currently, a supported platform you may have problems installing Zimbra on it. The second is that these questions/problems have been discussed ad nauseam in the forums, you will also need a correct and valid /etc/hosts file, read the Quick Start Installation Guide for the format and/or search the forums for further details on what's necessary.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  5. #5
    jason.rgd is offline Intermediate Member
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    using debian 5... not ubuntu.. second thing .. the quick start guide says the os requires certain modifications.. what exactly are these....

  6. #6
    phoenix is online now Zimbra Consultant & Moderator
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    Quote Originally Posted by jason.rgd View Post
    using debian 5... not ubuntu..
    Your fourm profile states that you're using Ubuntu 10.04.

    Quote Originally Posted by jason.rgd View Post
    second thing .. the quick start guide says the os requires certain modifications.. what exactly are these....
    It tells you what changes are needed to the /etc/host file, it's the same for all Linux distributions.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  7. #7
    jason.rgd is offline Intermediate Member
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    my bad!!! I changed it to debian 5 with zimbra 6 open source edition... Quite a few problems with zimbra installation!!! Got to probably update my knowledge...

  8. #8
    valerys is offline Starter Member
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    Question DNS ERROR resolving MX for vmmail.baltechnos.com

    Hi every body, i'm trying to install zimbra 6 under RHEL 5 but I have this erro messge :
    " DNS ERROR resolving MX for vmmail.baltechnos.com
    It is suggested that the domain name have an MX record configured in DNS"

    I don't understand the error message. here is my dig command


    [root@vmmail ~]# dig any baltechnos.com

    ; <<>> DiG 9.3.4-P1 <<>> any baltechnos.com
    ;; global options: printcmd
    ;; Got answer:
    ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 15386
    ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 1

    ;; QUESTION SECTION:
    ;baltechnos.com. IN ANY

    ;; ANSWER SECTION:
    baltechnos.com. 86400 IN SOA vmmail.baltechnos.com. root.baltechnos.com. 99967275 21600 3600 604800 86400
    baltechnos.com. 86400 IN NS vmmail.baltechnos.com.
    baltechnos.com. 86400 IN MX 20 mail.baltechnos.com.
    baltechnos.com. 86400 IN A 192.168.1.50

    ;; ADDITIONAL SECTION:
    vmmail.baltechnos.com. 86400 IN A 192.168.1.50

    ;; Query time: 8 msec
    ;; SERVER: 127.0.0.1#53(127.0.0.1)
    ;; WHEN: Sun Jul 18 16:01:53 2010
    ;; MSG SIZE rcvd: 150
    -----------------

    [root@vmmail ~]# cat /etc/hosts
    # Do not remove the following line, or various programs
    # that require network functionality will fail.
    127.0.0.1 localhost.localdomain localhost
    192.168.1.50 vmmail.baltechnos.com vmmail
    ::1 localhost6.localdomain6 localhost6

    -------------------

    [root@vmmail ~]# cat /etc/resolv.conf
    search globaltechnos.com


    Please help me to solve this problem

  9. #9
    jason.rgd is offline Intermediate Member
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    Here's the actual setup of my network..

    My Server PC is behind a Netgear router and our LAN uses the 10.0.0.0 block of private I.P. addresses.

    I'm no networking guru but I thought you may need the below information...

    I don't have a TLD assigned to my router but a sub domain called sub.example.com ... I've put a CNAME record with my domain registrar to point to another domain provided by dyndns.org since my router has a dynamically assigned IP address... from the router we use port forwarding to point to our server in case of HTTP requests .... Everything works fine till here.. [lamp stack]

    After advice on the forums and reading some documentation I reinstalled debian and
    made appropriate changes to the etc/hosts file so that the installation proceeds The installation went on fine till it found that no MX record was configured..

    Code:
    DNS ERROR - none of the MX records for delsoft.delian.co.in
    resolve to this host
    Later I realized the split dns article that was supllied to me in one of the posts. I downloaded bind9 server but wasn't able to configure it... Made some search got this link...
    Configuring bind9 in a chroot, lenny version titled Configuring bind9 in a chroot

    My questions
    Should I configure bind9 as per the above article and then go ahead with the split dns article in zimbra wiki?

    Is it ok to not have a actual TLD but a subdomain and what other ports have I to forward to my server..

    There was an error related to LDAP as well further down in the installation. and it asked me to run a particular .pl file to finish with the installation.. I guess I'm gonna do this from start all over...

    lastly if the system is not touched for a while then a black screen appears and on mouse movement I can't get back to desktop...

    is it necessary to install zimbra memcached and zimbra proxy in my case..

  10. #10
    GWilliams is offline Senior Member
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    Default

    Hi Valerys,

    Check the domain name during the installation. Try changing it (when it asks) to "baltechnos.com" instead of "vmmail.baltechnos.com". That should sort out your DNS issue, as it has an MX record according to:
    "baltechnos.com. 86400 IN MX 20 mail.baltechnos.com."

    If you use "vmmail.baltechnos.com" as the domain name, it will look for an MX record for "vmmail.baltechnos.com" domain.
    eg. "vmmail.baltechnos.com. 86400 IN MX 10 mail.vmmail.baltechnos.com."

    Hope this helps. All the best.

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