Tag Archives: nfs

The Portmapper service runs on port 111 tcp/udp

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ss -lntp | grep 111

LISTEN 0 128 *:111 *:* users:(("rpcbind",pid=816,fd=8))
LISTEN 0 128 [::]:111 [::]:* users:(("rpcbind",pid=816,fd=11))

pcinfo -p
program vers proto port service
100000 4 tcp 111 portmapper
100000 3 tcp 111 portmapper
100000 2 tcp 111 portmapper
100000 4 udp 111 portmapper
100000 3 udp 111 portmapper
100000 2 udp 111 portmapper

systemctl stop rpcbind.socket
rpcinfo -p
rpcinfo: can't contact portmapper: RPC: Remote system error - Connection refused

systemctl disable rpcbind

NFS shared file system

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mkdir /dba

Add the following lines to the /etc/exports file.

/dba *(rw,sync,no_wdelay,insecure_locks,no_root_squash)

Run the following command to export the NFS shares.
chkconfig nfs on
service nfs restart
Log into another server and mount the the NFS share:

Add the following lines to the /etc/fstab file:
nfs_server:/dba /home/oracle nfs rw,bg,hard,nointr,tcp,vers=3,timeo=300,rsize=32768,wsize=32768,actimeo=0 0 0

chown -R oracle:oinstall /home/oracle