AutoFS Configuration in Redhat Linux 7/8

 

AutoFS Configuration:

Extra Note:

     You can use  cat  /etc/mtab  command to permanent mount. Just copy your partition line and paste it into /etc/fstab file; save it.

At Server Side:

Server IP=10.1.1.1/24

yum  install  -y  nfs*

mkdir  /public

mkdir  /private

chmod  777  /public

chmod  777  /private

cd  /public

cal > calpublic.txt

cd  /private

cal 2020 > calprivate.txt

vim /etc/exports

     /public  10.1.1.2(ro,sync)

      /private  10.1.1.2(rw,sync)

exportfs  -arvf

firewall-cmd  --permanent --add-service=nfs

firewall-cmd  --permanent --add-service=rpc-bind

firewall-cmd  --permanent --add-service=mountd

         ** you can use below command instead of above 3 commands

firewall-cmd  --permanent --add-service={nfs,rpc-bind,mountd}

firewall-cmd  --reload

systemctl  start nfs-server.service  rpcbind

systemctl enable nfs-server  rpcbind

At Client Side:

 IP Address: 10.1.1.2

yum install -y autofs

rpm  -qi  autofs  [For checking just]

mkdir  /automount

vim  /etc/auto.master

       [After 7th lines below,write below command]

       /automount     /etc/automount.txt  --timeout=60

vim /etc/automount.txt

       public  -ro,sync 10.1.1.1:/public

       private -rw,sync  10.1.1.1:/private

mkdir  -p  /automount/public 

mkdir  -p  /automount/private

systemctl  start autofs

systemctl  enable autofs

systemctl  status autofs [For checking only]

cd 

df  -hT  [See the output of this command-There is no mounting]

mount -a

cd /automount

cd /public

df  -hT  [Now see the output- You will the see public folder has mounted]

cd ..

cd private

df  -hT  [Now see the output- You will the see private folder has mounted]

ll

cat calprivate.txt

rm  calprivate.txt  [you will be able to delete it, because you gave read,write permission for private folder]

ll

touch a.txt  [you will be  able to create  it, because you gave read ,write permission for private folder]

mkdir a.txt  b.txt [you will be  able to create  it, because you gave read ,write permission for private folder]

ll

cd ..

cd public

cat calpublic.txt

rm  calpublic.txt  [you will be not able to delete it, because you gave read only permission  for public folder]

mkdir a.txt  b.txt [you will be not able to create  it, because you gave read only permission  for public folder]

df  -hT [You will see the mount points]

cd ..

df -hT [Now, You will not see the mount points]