What is NFS Showmount?

What is NFS Showmount?

showmount command shows information about an NFS server. This information is maintained by the mountd server on the host. The default value for the host is the value returned by the hostname. With no options, show the clients that have mounted directories from the host.

How install NFS common on CentOS?

Setup NFS Server on CentOS

  1. Step 1 – Download and Install the Required NFS Software. Start by downloading and installing the required NFS packages on both the NFS server and the client.
  2. Step 2 – Export Appropriate Shared Directories.
  3. Step 3 – Mount the exported directory.

How check mount points in NFS?

Show NFS shares on NFS Server

  1. Use showmount to show NFS shares.
  2. Use exportfs to show NFS shares.
  3. Use master export file /var/lib/nfs/etab to show NFS shares.
  4. Use mount to list NFS mount points.
  5. Use nfsstat to list NFS mount points.
  6. Use /proc/mounts to list NFS mount points.

In which version does the NFS command Showmount operate?

The showmount command only shows NFS version 2 and version 3 exports.

How install NFS service in Linux?

Install the NFS Client on the Client Systems

  1. Step 1: Install the NFS-Common Package. As is the norm, begin by updating the system packages and repositories before anything else.
  2. Step 2: Create an NFS Mount Point on Client.
  3. Step 3: Mount NFS Share on Client System.
  4. Step 4: Testing the NFS Share on Client System.

Which 2 packages are needed to install NFS on Linux CentOS?

Installing the NFS client

  1. Install NFS client on Debian and Ubuntu. The name of the package that includes programs for mounting NFS file systems on Debian based distributions is nfs-common .
  2. Install NFS client on CentOS and Fedora. On Red Hat and its derivatives install the nfs-utils package: sudo yum install nfs-utils.

How check NFS mounts Linux?

Use the showmount command to display the remote NFS server mount information. If you omit the options, the default option displays hostnames of all remote mounts from the hostname NFS server. If you omit the hostname parameter, then the local hostname is used.

What is my current mount point Linux?

You can use df command to list mount points. You can use -t followed by filesystem type (say ext3, ext4, nfs) to display respective mount points. For examples below df command display all NFS mount points.

How do I remount NFS share in Linux?

Use the following procedure to automatically mount an NFS share on Linux systems:

  1. Set up a mount point for the remote NFS share: sudo mkdir /var/backups.
  2. Open the /etc/fstab file with your text editor : sudo nano /etc/fstab.
  3. Run the mount command in one of the following forms to mount the NFS share:

How mount NFS 3 Linux?

Using the mount Command

  1. In NFS version 2 or version 3, both of these commands mount an NFS file system from the server bee read-only.
  2. In NFS version 2 or version 3, this command uses the -O option to force the man pages from the server bee to be mounted on the local system even if /usr/man has already been mounted.

How do I know if NFS is installed on Linux?

To verify that NFS is running on each computer:

  1. AIX® operating systems: Type the following command on each computer: lssrc -g nfs The Status field for NFS processes should indicate active .
  2. Linux® operating systems: Type the following command on each computer: showmount -e hostname.

How do I install NFS modules?

Type Start PowerShell in the Command Prompt window to start Windows PowerShell. 2. Type Install-WindowsFeature NFS-Client and press Enter to install Client for NFS.

How install NFS rpm in Linux?

Configuring NFS server

  1. Install the required nfs packages if not already installed on the server : # rpm -qa | grep nfs-utils.
  2. Enable the services at boot time:
  3. Start the NFS services:
  4. Check the status of NFS service:
  5. Create a shared directory:
  6. Export the directory.
  7. Exporting the share :
  8. Restart the NFS service:

How do I see all mounts in Linux?

You need to use any one of the following command to see mounted drives under Linux operating systems. [a] df command – Shoe file system disk space usage. [b] mount command – Show all mounted file systems. /proc/mounts or /proc/self/mounts file – Show all mounted file systems.

How do I unmount and mount NFS file system in Linux?

To remove a predefined NFS mount by editing the /etc/filesystems file:

  1. Enter the command: umount /directory/to/unmount .
  2. Open the /etc/filesystems file with your favorite editor.
  3. Find the entry for the directory you just unmounted, and then delete it.
  4. Save and close the file.

How do I unmount NFS shares?

You can use umount -f -l /mnt/myfolder , and that will fix the problem.

  1. -f – Force unmount (in case of an unreachable NFS system). (Requires kernel 2.1.
  2. -l – Lazy unmount. Detach the filesystem from the filesystem hierarchy now, and cleanup all references to the filesystem as soon as it is not busy anymore.
  • October 13, 2022