Automount

1 AIM

Centralised users directories

Shared users directories physically on cyber8:/home/export, auto-mounted on cyber7:/home/export

• cyber8: ThinkPad X230 set up with CentOS 8.1
• cyber7: ThinkPad X230 set up with CentOS 7.8

2 NFS Setup

2.1 cyber8 NFS Server

Perform the following instructions on cyber8

• Firewall
  • firewall-cmd --permanent --add-service=nfs
  • firewall-cmd --permanent --add-service=rpc-bind
  • firewall-cmd --permanent --add-service=mountd
  • firewall-cmd --reload
• NFS server
  • dnf install nfs-utils
  • systemctl enable nfs-server.service
  • systemctl start nfs-server.service
• Export shared users directories
  • mkdir /home/export
  • Add following line to /etc/exports

     /home/export 192.168.0.0/24(no_all_squash,no_root_squash,async,secure,no_subtree_check,rw) 

  • exportfs -a
• showmount -e   (check the setup)

  Export list for cyber8.rshome.lan:

  /home/export 192.168.0.0/24

2.2 cyber7 NFS Client

Perform the following instructions on cyber7

• dnf install nfs-utils
• showmount -e cyber8   (check the setup)

  Export list for cyber8:

  /home/export 192.168.0.0/24

3 cyber7 Automount Setup

Perform the following instructions on cyber7

• yum install autofs
• Auto-mount any cyber8:/home/export subdirectories
  • Create /etc/auto.usersdir with the following content

     *	cyber8:/home/export/& 

  • Create /etc/auto.master.d/usersdir.autofs with the following content

     /home/export	/etc/auto.usersdir 

• systemctl enable autofs
• systemctl restart autofs