Here is a quick and dirty working example of an NFS Server setup on Centos 7 that allows anonymous connectivity from any host to an exported filesystem and a Client mount from Fedora. It can be used to assist in troubleshooting problematic NFS mounts.
On Centos Server, Install NFS
Centos server should be able to ping Fedora machine.
yum install nfs-utils
mkdir /var/nfsshare
chmod -R 755 //var/nfsshare
chown nfsnobody:nfsnobody /var/nfsshare
systemctl enable rpcbind
systemctl enable nfs-server
systemctl enable nfs-lock
systemctl enable nfs-idmap
systemctl start rpcbind
systemctl start nfs-server
systemctl start nfs-lock
systemctl start nfs-idmap
vi /etc/exports
/var/nfsshare *(rw,sync,no_root_squash,no_all_squash)
systemctl restart nfs-server
firewall-cmd –permanent –zone=public –add-service=nfs
firewall-cmd –permanent –zone=public –add-service=mountd
firewall-cmd –permanent –zone=public –add-service=rpc-bind
firewall-cmd –reload
On Fedora Client, Mount NFS Export
fedora machine should be able to ping centos machine. edit /etc/hosts if you want to use hostnames (and don’t have DNS).
yum install nfs-utils
mkdir -p /mnt/nfs/var/nfsshare
vi /etc/fstab
centos1:/var/nfsshare /mnt/nfs/var/nfsshare nfs defaults 0 0
mount -a
or mount -t nfs centos1:/var/nfsshare /mnt/nfs/var/nfsshare/
Note that all the above steps are necessary to work. Once this works, modify it one thing at a time and keep retesting the mount until you find what breaks it.
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