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While setting and configuring NFS share on a server when you try to restart portmap service you get following error
[root@server mounted]# service portmap restart
pmap_getmaps rpc problem: RPC: Unable to receive; errno = Connection reset by peer
Stopping portmap: [FAILED]
Starting portmap: [ OK ]
[root@server mounted]#
pmap_getmaps rpc problem: RPC: Unable to receive; errno = Connection reset by peer
Stopping portmap: [FAILED]
Starting portmap: [ OK ]
[root@server mounted]#
Logs (tail -f /var/log/message) shows that portmap port is conflicting with some other service.
Dec 29 06:39:46 server portmap[32452]: cannot bind udp: Address already in use
Dec 29 06:39:46 server portmap[32452]: cannot bind udp: Address already in use
Dec 29 06:39:46 server portmap[32452]: cannot bind udp: Address already in use
Dec 29 06:39:46 server portmap[32452]: cannot bind udp: Address already in use
Dec 29 06:39:46 server portmap[32452]: cannot bind udp: Address already in use
Dec 29 06:39:46 server portmap[32452]: cannot bind udp: Address already in use
Dec 29 06:39:46 server portmap[32452]: cannot bind udp: Address already in use
I have searched on internet and found following commands which fixed the issue.
1) Stop portsentry service
[root@server mounted]# /etc/init.d/portsentry stop
2) Restart portmap service
[root@server mounted]# /etc/init.d/portmap restart
3) Start portsentry service
[root@server mounted]# /etc/init.d/portsentry start
Try to configure NFS now :)
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About Milind Koyande
Milind Koyande is the Senior Research Engineer and his job is to work with new technologies, specially Cloud Computing / Virtualization Technology. His past projects include Government Sector initiatives, Backup and Disaster Recovery Solutions.
Milind Koyande is the Senior Research Engineer and his job is to work with new technologies, specially Cloud Computing / Virtualization Technology. His past projects include Government Sector initiatives, Backup and Disaster Recovery Solutions. Follow him on 
