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    NIS and NFS and YP in Ubuntu Server 14.04

    Scheduled Pinned Locked Moved IT Discussion
    linuxubuntunisnfsunix
    29 Posts 3 Posters 12.1k Views
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    • LakshmanaL
      Lakshmana
      last edited by

      I have tried to configure by the above method yesterday,there are some errors came in the process which was present in that website.

      For me some errors are coming in the process,I followed from the above website

      1 Reply Last reply Reply Quote 0
      • Reid CooperR
        Reid Cooper
        last edited by

        Can you tell us what those errors are?

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        • LakshmanaL
          Lakshmana
          last edited by

          sysv-rc-conf ypbind on

          Line does not exists in my server.Why?

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          • LakshmanaL
            Lakshmana
            last edited by

            now installed the above thing but the error i face after installation is given below

            shiva@ubuntu:~$ sysv-rc-conf ypbind on
            Can't create /var/lib/sysv-rc-conf : Permission denied at /usr/sbin/sysv-rc-conf line 454.

            scottalanmillerS 1 Reply Last reply Reply Quote 0
            • LakshmanaL
              Lakshmana
              last edited by Lakshmana

              I have followed the website given below but no use in configuration

              http://www.server-world.info/en/note?os=Ubuntu_13.04&p=nis&f=2

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              • scottalanmillerS
                scottalanmiller @Lakshmana
                last edited by

                @Lakshmana said:

                now installed the above thing but the error i face after installation is given below

                shiva@ubuntu:~$ sysv-rc-conf ypbind on
                Can't create /var/lib/sysv-rc-conf : Permission denied at /usr/sbin/sysv-rc-conf line 454.

                You forgot the "sudo" before that line.

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                • LakshmanaL
                  Lakshmana
                  last edited by

                  NOw NFS configured and tested but there is an issue in the NIS configuration only and the NIS server has issue given below

                  root@ubuntu:/var/yp# service ypbind start
                  start: Job failed to start

                  NIS client has issue as given below

                  root@client:~# ypdomainname
                  test
                  root@client:~# ypcat passwd
                  No such map passwd.byname. Reason: Can't bind to server which serves this domain
                  root@client:~# ypcat hosts
                  No such map hosts.byname. Reason: Can't bind to server which serves this domain

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                  • scottalanmillerS
                    scottalanmiller
                    last edited by

                    There is no need to test NIS functions if the NIS server hasn't started yet. If the service can't start, you know that it isn't going to work. This is like telling us that the car isn't steering well right after demonstrating that it hasn't started yet.

                    So we must start by figuring out why it isn't starting and fix that. When something doesn't work, since it throws no useful error messages, we need to start by looking at the logs to see what it is telling us.

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                    • LakshmanaL
                      Lakshmana
                      last edited by scottalanmiller

                      My NIS Client Configuration Step by step process is given below if any error please inform

                      nano /etc/yp.conf
                      
                        GNU nano 2.2.6             File: /etc/yp.conf                       Modified  
                      
                      #
                      # yp.conf       Configuration file for the ypbind process. You can define
                      #               NIS servers manually here if they can't be found by
                      #               broadcasting on the local net (which is the default).
                      #
                      #               See the manual page of ypbind for the syntax of this file.
                      #
                      # IMPORTANT:    For the "ypserver", use IP addresses, or make sure that
                      #               the host is in /etc/hosts. This file is only interpreted
                      #               once, and if DNS isn't reachable yet the ypserver cannot
                      #               be resolved and ypbind won't ever bind to the server.
                      
                      # ypserver ypserver.network.com
                      domain test.com server shiva.test.com
                      
                      root@ubuntu:~# nano /etc/nsswitch.conf 
                      
                      # /etc/nsswitch.conf
                      #
                      # Example configuration of GNU Name Service Switch functionality.
                      # If you have the `glibc-doc-reference' and `info' packages installed, try:
                      # `info libc "Name Service Switch"' for information about this file.
                      
                      passwd:         compat nis
                      group:            compat nis
                      shadow:         compat nis
                      
                      hosts:          files mdns4_minimal [NOTFOUND=return] dns nis
                      networks:       files
                      
                      protocols:       db files
                      services:        db files
                      ethers:            db files
                      rpc:                 db files
                      
                      root@ubuntu:~# nano /etc/pam.d/common-session
                      
                        GNU nano 2.2.6         File: /etc/pam.d/common-session                        
                      
                      # since the modules above will each just jump around
                      session required                        pam_permit.so
                      # The pam_umask module will set the umask according to the system default in
                      # /etc/login.defs and user settings, solving the problem of different
                      # umask settings with different shells, display managers, remote sessions etc.
                      # See "man pam_umask".
                      session optional                        pam_umask.so
                      # and here are more per-package modules (the "Additional" block)
                      session required        pam_unix.so
                      session optional        pam_systemd.so
                      # end of pam-auth-update config
                      session optional        pam_mkhomedir.so skel=/etc/skel umask=077
                      
                      root@ubuntu:~# reboot
                      
                      oot@ubuntu:~# ypwhich
                      ypwhich: Can't communicate with ypbind
                      root@ubuntu:~# ypcat passwd
                      No such map passwd.byname. Reason: Can't bind to server which serves this domain
                      root@ubuntu:~# ypcat hosts
                      No such map hosts.byname. Reason: Can't bind to server which serves this domain
                      root@ubuntu:~#
                      
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                      • LakshmanaL
                        Lakshmana
                        last edited by scottalanmiller

                        Client side output for digging domain name

                        shiva@ubuntu:~$ dig test.com any
                        
                        ; <<>> DiG 9.9.5-3ubuntu0.1-Ubuntu <<>> test.com any
                        ;; global options: +cmd
                        ;; Got answer:
                        ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 16217
                        ;; flags: qr rd ra; QUERY: 1, ANSWER: 8, AUTHORITY: 2, ADDITIONAL: 3
                        
                        ;; OPT PSEUDOSECTION:
                        ; EDNS: version: 0, flags:; udp: 4096
                        ;; QUESTION SECTION:
                        ;test.com.			IN	ANY
                        
                        ;; ANSWER SECTION:
                        test.com.		7200	IN	SOA	ns65.worldnic.com. namehost.worldnic.com. 115070707 10800 3600 604800 3600
                        test.com.		7200	IN	TXT	"google-site-verification=kW9t2V_S7WjOX57zq0tP8Ae_WJhRwUcZoqpdEkvuXJk"
                        test.com.		7200	IN	MX	10 mx.spamexperts.com.
                        test.com.		7200	IN	MX	20 fallbackmx.spamexperts.eu.
                        test.com.		7200	IN	MX	30 lastmx.spamexperts.net.
                        test.com.		3600	IN	A	69.172.200.235
                        test.com.		7200	IN	NS	ns66.worldnic.com.
                        test.com.		7200	IN	NS	ns65.worldnic.com.
                        
                        ;; AUTHORITY SECTION:
                        test.com.		7200	IN	NS	ns66.worldnic.com.
                        test.com.		7200	IN	NS	ns65.worldnic.com.
                        
                        ;; ADDITIONAL SECTION:
                        ns65.worldnic.com.	171249	IN	A	207.204.40.133
                        ns66.worldnic.com.	171249	IN	A	207.204.21.133
                        
                        ;; Query time: 841 msec
                        ;; SERVER: 127.0.0.1#53(127.0.0.1)
                        ;; WHEN: Thu Jul 16 18:50:33 IST 2015
                        ;; MSG SIZE  rcvd: 396
                        
                        shiva@ubuntu:~$
                        
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                        • scottalanmillerS
                          scottalanmiller
                          last edited by

                          I edited your posts for readability.

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                          • scottalanmillerS
                            scottalanmiller
                            last edited by

                            You are getting way too deep when your errors are very shallow. Right now it looks like NIS isn't running yet:

                            oot@ubuntu:~# ypwhich
                            ypwhich: Can't communicate with ypbind
                            root@ubuntu:~# ypcat passwd
                            No such map passwd.byname. Reason: Can't bind to server which serves this domain
                            

                            Before you are doing all of this.... just look and see if NIS is running. Just this command on your NIS server:

                            netstat -tulpn
                            
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                            • Reid CooperR
                              Reid Cooper
                              last edited by

                              Or query the NIS service and ask it if it is running.

                              1 Reply Last reply Reply Quote 1
                              • Reid CooperR
                                Reid Cooper
                                last edited by

                                Have firewall ports been opened for RPCBIND and whatever else is needed?

                                1 Reply Last reply Reply Quote 1
                                • LakshmanaL
                                  Lakshmana
                                  last edited by Lakshmana

                                  How to open ports for the NIS and NFS in iptables?
                                  I have followed the below to link configure for the NIS configurattion now.

                                  https://help.ubuntu.com/community/SettingUpNISHowTo

                                  But I was not able to open the ports I have given in the website

                                  I have also installed the iptables-persistent in the ubuntu server but the default path to edit rules was not able to identify.

                                  When I use the rules for the port I have opened means the error coming here is
                                  Bad Argument"IP"

                                  scottalanmillerS 2 Replies Last reply Reply Quote 0
                                  • scottalanmillerS
                                    scottalanmiller @Lakshmana
                                    last edited by

                                    @Lakshmana said:

                                    How to open ports for the NIS and NFS in iptables?

                                    Same way as the other times you opened ports in iptables. Just change the port numbers. For now, while you are trying to figure things out, just turn iptables off.

                                    1 Reply Last reply Reply Quote 1
                                    • scottalanmillerS
                                      scottalanmiller @Lakshmana
                                      last edited by

                                      @Lakshmana said:

                                      When I use the rules for the port I have opened means the error coming here is
                                      Bad Argument"IP"

                                      Instead of describing the issue in cases like this, supply the screen shot or a copy/paste of the commands that fail and the error. In almost all cases it's just a typo or missed argument. In every case we will ask you to do this. So instead of making us ask, just start by providing the information so we can assist more quickly.

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                                      • LakshmanaL
                                        Lakshmana
                                        last edited by

                                        Configured Properly and now it is working

                                        1 Reply Last reply Reply Quote 0
                                        • Reid CooperR
                                          Reid Cooper
                                          last edited by

                                          What was wrong?

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                                          • LakshmanaL
                                            Lakshmana
                                            last edited by

                                            I have not mentioned the server at /etc/hosts and ypbind does not happen because of this option the whole setup has issue.

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