RPC: Port mapper failure - Unable to receive: errno 113 (No route to host)

I am trying to mount hdfs on my local machine(ubuntu) using nfs by following the below link:-- https://www.cloudera.com/documentation/enterprise/5-2-x/topics/cdh_ig_nfsv3_gateway_configure.html#xd_583c10bfdbd326ba--6eed2fb8-14349d04bee--7ef4 So,at my machine I installed nfs-common using:- sudo apt-get install nfs-common Then,before mounting I have ran these commands:- rpcinfo -p 192.168.170.52 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 100024 1 udp 48435 status 100024 1 tcp 54261 status 100005 1 udp 4242 mountd 100005 2 udp 4242 mountd 100005 3 udp 4242 mountd 100005 1 tcp 4242 mountd 100005 2 tcp 4242 mountd 100005 3 tcp 4242 mountd 100003 3 tcp 2049 nfs showmount -e 192.168.170.52 Export list for 192.168.170.52: / * after that i tried mounting the hdfs using:-- sudo mount -t nfs -o vers=3,proto=tcp,nolock 192.168.170.52:/ /mnt/hdfs_mount/ But i was getting this error:--- mount.nfs: mount system call failed Then i googled for the problem and installed nfs-kernel-server,portmap using sudo apt-get install nfs-kernel-server portmap After executing the above command,the output for:--- rpcinfo -p 192.168.170.52 is:-- 192.168.170.52: RPC: Port mapper failure - Unable to receive: errno 113 (No route to host) and for showmount -e 192.168.170.52 is:--- clnt_create: RPC: Port mapper failure - Unable to receive: errno 113 (No route to host) Also the output for:-- sudo service nfs start comes out to be:-- Failed to start nfs.service: Unit nfs.service not found. Please help me with this.