The AhsayCBS NFS service symlinks in /etc/rc.d/rc2.d/ …. /etc/rc.d/rc5.d/ are broken or not created for the current runlevel 2 to 5.

To resolve this issue, please re-install the AhsayCBS NFS service.

Assumption: AhsayCBS Install Home = /usr/local/cbs on CentOS 6.4 (Final)

Note: The following example is based on a CentOS 6.4 (Final) installation.

1. Login to AhsayCBS server as root.
   
2. cd /usr/local/cbs/nfs/bin
   
3. Run the following script to uninstall the NFS service: sh uninstall.sh
   

   # sh uninstall.sh
   Log Time: Wed Mar 15 15:54:29 HKT 2017
   Verifying current user privilege ...
   Current user has enough privilege to "uninstall".
   Try to shutdown [ NFS Service (Ahsay Systems Corporation) ]
   Stopping NFS Service (Ahsay Systems Corporation)
   Wait 5 seconds before [ NFS Service (Ahsay Systems Corporation) ] is down
   Remove [ NFS Service (Ahsay Systems Corporation) ] (cbsnfs) from service
   Uninstall Service for NIX type OS
   Using init script path /etc/init.d
   Using run level script path /etc/rc.d
   Removing symbolic link from run levels
   Removing script file cbsnfs from /etc/init.d
   [ NFS Service (Ahsay Systems Corporation) ] uninstall service is complete!

   
   
   

4. Run the following script to install the NFS service: sh install.sh
   

   # sh install.sh
   Log Time: Thu Mar 16 18:45:34 HKT 2017
   Verifying current user privilege ...
   Current user has enough privilege to "install".
   Start configuration on Generic Linux Platform (Linux)
   Installing [ NFS Service (Ahsay Systems Corporation) ]
   [ NFS Service (Ahsay Systems Corporation) ] Service Script created at /usr/local/cbs/nfs/bin/cbsnfs 
   Install Service for NIX type OS
   Using init script path /etc/init.d   
   Using run level script path /etc/rc.d
   Copying script cbsnfs to /etc/init.d
   Creating symbolic link to run levels
   You may start this service by:
   sh "/etc/init.d/cbsnfs" start 
   [ NFS Service (Ahsay Systems Corporation) ] setup completed!
   Startup [ NFS Service (Ahsay Systems Corporation) ]
   Starting NFS Service (Ahsay Systems Corporation)
   Started [ NFS Service (Ahsay Systems Corporation) ]

   
   

5. Verify the symlinks have been created for runlevel 2 to 5.
   

    # ls -la /etc/rc.d/rc[2-5].d/*cbsnfs*
    lrwxrwxrwx 1 root root 18 Mar 15 15:28 /etc/rc.d/rc2.d/S99cbsnfs -> /etc/init.d/cbsnfs
    lrwxrwxrwx 1 root root 18 Mar 15 15:28 /etc/rc.d/rc3.d/S99cbsnfs -> /etc/init.d/cbsnfs
    lrwxrwxrwx 1 root root 18 Mar 15 15:28 /etc/rc.d/rc4.d/S99cbsnfs -> /etc/init.d/cbsnfs
    lrwxrwxrwx 1 root root 18 Mar 15 15:28 /etc/rc.d/rc5.d/S99cbsnfs -> /etc/init.d/cbsnfs
   #
    

   
   

6. Verify the AhsayCBS NFS service is running and listening to port 111
   

   # ps -ef|grep nfs
   root      1723     2  0 14:30 ?        00:00:00 [nfsiod]
   root      2636     2  0 15:05 ?        00:00:00 [nfsd4]
   root      2637     2  0 15:05 ?        00:00:00 [nfsd4_callbacks]
   root      2643     2  0 15:05 ?        00:00:00 [nfsd]
   root      2644     2  0 15:05 ?        00:00:00 [nfsd]
   root      2645     2  0 15:05 ?        00:00:00 [nfsd]
   root      3367     1  0 15:28 pts/0    00:00:00 /usr/local/cbs/nfs/bin/NfsLinX64 -logfile /usr/local/cbs/nfs/log/debug.log -pidfile /var/run/cbsnfs.pid
   root      3464  2356  0 15:36 pts/0    00:00:00 grep nfs
   #

   
   
   

   # netstat -pan|more
   Active Internet connections (servers and established)
   Proto Recv-Q Send-Q Local Address               Foreign Address             State       PID/Program name
   tcp        0      0 0.0.0.0:38533               0.0.0.0:*                   LISTEN      -
   tcp        0      0 0.0.0.0:59270               0.0.0.0:*                   LISTEN      2630/rpc.mountd
   tcp        0      0 0.0.0.0:875                 0.0.0.0:*                   LISTEN      2626/rpc.rquotad
   tcp        0      0 0.0.0.0:35373               0.0.0.0:*                   LISTEN      2685/rpc.statd
   tcp        0      0 0.0.0.0:111                 0.0.0.0:*                   LISTEN      1596/rpcbind
   tcp        0      0 0.0.0.0:80                  0.0.0.0:*                   LISTEN      3312/java
   tcp        0      0 0.0.0.0:37620               0.0.0.0:*                   LISTEN      2630/rpc.mountd
   tcp        0      0 0.0.0.0:22                  0.0.0.0:*                   LISTEN      1923/sshd
   tcp        0      0 127.0.0.1:631               0.0.0.0:*                   LISTEN      1757/cupsd