Showmount command failure

Question

I am working on NFS, when i run showmount command i will get error

[root@localhost ~]# showmount -a
clnt_create: RPC: Port mapper failure - Unable to receive: errno 111 (Connection refused)

Please help to solve this issue.

parthiban · Answer

It should be the firewall issue, if firewall is enabled on your linux? you can open respective ports for  rpcbind as shown below

iptables -A INPUT -p tcp --dport 111 -j ACCEPT
iptables -A INPUT -p udp --dport 111 -j ACCEPT

and also make sure your service is running

service rpcbind start