Configure AutoFS To Auto Mount The File-System (NFS Share) in Linux (RHEL 7) | On Demand Mounting

Automount (AutoFS) NFS share using autofs in Linux:
===========================================
Autofs is a service in Linux like operating system which automatically mounts the file system and remote shares when it is accessed.
Main advantage of autofs is that you don’t need to mount file system at all time, file system is only mounted when it is in demand.
Server Configuration (192.168.1.109):
------------------------------------------------------------
yum repolist
Configure YUM in RHEL 7:
• Configure Local Yum Re...
yum install -y nfs*
mkdir /public
mkdir /private
chmod 777 /public
touch /public/calpublic.txt
chmod 777 /private
touch /private/calprivate.txt
vim /etc/exports
/public 192.168.1.110(ro,sync)
/private 192.168.1.110(rw,sync)
exportfs -arvf
firewall-cmd --permanent --add-service=nfs
firewall-cmd --permanent --add-service=rpc-bind
firewall-cmd --permanent --add-service=mountd
firewall-cmd --reload
systemctl start nfs-server
systemctl enable nfs-server
systemctl status nfs-server
systemctl start rpcbind
systemctl enable rpcbind
------------------------------------------
Client Configuration (192.168.1.110):
yum repolist
yum install autofs -y
rpm -qi autofs
mkdir /automount
mkdir -p /automount/private
mkdir -p /automount/public
vim /etc/auto.master
/automount /etc/automount.txt --timeout=60
vim /etc/automount.txt
public -ro,sync 192.168.1.109:/public
private -rw,sync 192.168.1.109:/private
systemctl start autofs
systemctl enable autofs
systemctl status autofs
systemctl start rpcbind
systemctl enable rpcbind
----------------------------------
Test AutoFS:
Login on Client Machine and check the mount point details, here you won't see any NFS Share.
df -hT
cd /automount/
cd private
Again Check the mount point details, here you will see the private NFS Share.
df -hT
cd .. ; cd public
Again Check the mount point details, here you will see the public NFS Share.
df -hT
Now go inside both the directories one by one & try to create and remove some files, here you will find that only RW filesystem allows you to do that not the RO Filesystem.
Now come out of NFS Shares and wait for more than one min, again \ Check the mount point details, here you won't see any NFS Share.
Beacuse both NFS shares got unmounted automatically themself due to AutoFS Service.
You are done.
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[@iHKG0]

This is by far the clearest explanation of autofs, thank you. Really helpful for preparing for RHSA exam.

[@NehraClasses]

Thank you 🙏

[@handsomevillian]

sir your method of teaching quite simple and to the point

[@ravigoodsongs4352]

Excellent thank you for the explanation. Till the time I have lot of doubts about how the storage volumes getting shared. Great explanation, now I have cleared my doubts and got clear picture.

[@NehraClasses]

Glad it was helpful!

[@MrSurfing4ever]

Optimal explanation, thank you so much !!!

[@handsomevillian]

thank you sir its quite helpfull and simple to understand ... love and respect form ❤❤

[@lilylawer]

Great Concept, welcome back as normal from crona

[@grgnickdaily]

the video is really nice.. thanks for uploading

[@NehraClasses]

Thanks a lot 🙏

[@paramveersingh5122]

count=2 you've helped in two pracs now

[@NehraClasses]

Thanks

[@praveen6155]

good sir on efforts

[@mostafabanaei2832]

You are the best and thanks a lot for this video

[@NehraClasses]

Thank You

[@vaibhavrajnathchauhan5340]

thank you sir for this video

[@kasturisudarshan56]

Well Explained

[@pradeepjha1245]

Thanq sir

[@ravindraveeradhi3100]

Could you please explain nfs daemons in a separate video..anyway the way you explained is very good

[@NehraClasses]

Thanks, will upload soon

[@matruprasadsahoo231]

Very interesting session... Thank you

[@ashweenijadhav3998]

Helpful

[@NehraClasses]

Thanks

[@ravigoodsongs4352]

If it is NAS or SAN volume by using NFS protocol we can share the mount point and can access from Client machines where Autofs installed is that correct. Please clarify.

[@rohitkodali5415]

Really useful session. BUT I want to know How to create a user and group in NFS and operate in client location . CAN you please explain how to do it

[@rohitkodali5415]

can you share a link if it is available or can you reply how to do and what are the commands

[@NehraClasses]

kzbin.info/www/bejne/kICXdayIl5Jogas

[@rohitkodali5415]

sir I already saw these link .I want to share the user using NFS not with LDAP. Is there anything like that ?

[@ShankarEarapolu]

how to list all autofs mount points in command line

[@NehraClasses]

cat /etc/auto.master

[@bhim960]

In the client machine when I am running mkdir -p /automount/public ; mkdir -p /automount/private I am getting permission denied error . Nehra Sir can u help ,me on this issue

[@UnknownSend3r]

In both auto.master and automount.txt you didn't specify the -fstype=nfs so how does it have nfsV4 in the 'df -h' output, how did it know that it was an NFS filesystem. Thanks for making the video btw, helped alot..

[@NehraClasses]

That's because, I have installed all the required packages for NFS4. There is no rocket science in it, you can follow the same steps and verify the same. If you face any issues, feel free to ask me. Thanks

[@UnknownSend3r]

@@NehraClasses thanks appreciate it. And I know NFS4 comes with rpcbind unlike nfs3, I just wanted to know if in NFS4, when you're mounting either in fstab or with the mount command, do you no longer need to specify the fstype (NFS) And also did you include NFS in your firewall or is that not needed aswell, thanks in advance.

[@nitinpatel7960]

hello sir... after complete client said process my public and private folder not show

[@nitinpatel7960]

and no create file and folder in /automount folder

[@NehraClasses]

Please provide us more details in telegram channel

[@shaikmansoorali]

How to give access to n number of clients in nfs server with out entering client ip in export file

[@NehraClasses]

You can define the entire subnet there or you can mention * for all the machines.

[@AmandeepSingh-dr7bd]

please make depth tutorial on zabbix server and client side configuration, thanks

[@NehraClasses]

Sure, please give me some time. I will try to upload video next week.🙏

[@AmandeepSingh-dr7bd]

@@NehraClasses Sure Sir, Thanks

[@NehraClasses]

Please watch the video, here it is. kzbin.info/www/bejne/mJy7kqR5fseGmK8

[@samirgozalov4797]

systemctl enable autofs --now (one command to start and enable autofs)

[@NehraClasses]

We have already explained all this stuff in our RHCSA playlist.