How do I set up autofs?

How do I set up autofs?

Steps to mount nfs share using Autofs in CentOS 7

  1. Step:1 Install autofs package.
  2. Step:2 Edit the Master map file (/etc/auto.
  3. Step:2 Create a map file ‘/etc/auto.
  4. Step:3 Start the auotfs service.
  5. Step:3 Now try to access the mount point.
  6. Step:1 Install the autofs package using apt-get command.

What is NFSv4?

Network File System version 4 (NFSv4) is the latest version of NFS, with new features such as statefulness, improved security and strong authentication, improved performance, file caching, integrated locking, access control lists (ACLs), and better support for Windows file- sharing semantics.

How does autofs work on the client side?

Autofs is a client-side service that automatically mounts the appropriate file system. When a client attempts to access a file system that is not presently mounted, the autofs file system intercepts the request and calls automountdto mount the requested directory. The automountddaemon locates the directory, mounts it within autofs, and replies.

Where is the configuration file for autofs in Linux?

Like most things in Linux, autofs uses a configuration file as the framework for completing tasks. It consults a map file located at /etc/auto.master. The file defines various mount points. Each entry in this file has three fields that need to be set for the daemon to work correctly.

How does autofs trigger a file system to be mounted?

These points are also known as trigger nodes. After the autofs mounts are set up, they can trigger file systems to be mounted under them. For example, when autofs receives a request to access a file system that is not currently mounted, autofs calls automountd, which actually mounts the requested file system.

How do I update the autofs Mount table?

After initially mounting autofs mounts, the automount command is used to update autofs mounts as necessary, by comparing the list of mounts in the auto_mastermap with the list of mounted file systems in the mount table file /etc/mnttab(formerly /etc/mtab) and making the appropriate changes.