NFS YUM repository configuration on Linux|Centos|RHEL

In production environment it might not possible to provide internet to all systems due to company policy or to control internet bandwidth. Installing a package from internet it might be slow because of low internet bandwidth. To overcome this issue we can configure a local yum server and put all the stuffs in the yum repository. Whenever there is a need to install a package it can be installed from the local repository. It saves a lots of internet bandwidth and as well as time.


  • How to configure YUM repository using NFS on Centos/RHEL|Scientific Linux ?
  • YUM repository configuration on Centos/RHEL|Scientific Linux using NFS


  • Bare minimum install of Centos

YUM Server details

Server IP =
Host name = server.example.local
OS = CentOS 7.x

YUM Configuration
  • Install the following packages to configure NFS server
#  yum install nfs*

  • Once the packages are installed, enable the NFS service to start during system startup and start NFS services.
# systemctl enable rpcbind
# systemctl enable nfs-server
# systemctl start rpcbind
# systemctl start nfs-server
# systemctl start rpc-statd
# systemctl start nfs-idmapd
# systemctl start nfs-lock

  • Create NFS Share
# mkdir /yumrepository
# vim /etc/exports
# /yumrepository,sync,no_root_squash)

  • Mount the CentOS installable ISO image in a directory and copy into /yumrepository directory.
# mkdir /tmp/test
# mount -t iso9660 -o loop CentOS-7-x86_64.iso /tmp/test
# mkdir /yumrepository/centos7
# cp -r /tmp/test/* /yumrepository/centos7
# umount /tmp/test
# mount -t iso9660 -o loop CentOS-6.10-x86_64.iso /tmp/test
# mkdir /yumrepository/centos6
# cp -r /tmp/test/* /yumrepository/centos6
# chmod -R 777 /yumrepository
# umount /tmp/test

  • Export the shared directories using following command
# exportfs -a
# exportfs -v</code></pre>

YUM Firewall Configuration
# firewall-cmd --permanent --zone public --add-service mountd
# firewall-cmd --permanent --zone public --add-service rpc-bind
# firewall-cmd --permanent --zone public --add-service nfs
# firewall-cmd --reload

YUM Client Side Configuration
  • Mount nfs share on the client system and add the mounted path into yum repository.
# yum -y install nfs-utils
# systemctl enable rpcbind
# systemctl start rpcbind

  • Mount the NFS share

# showmount -e
Export list for
# mkdir /yumrepository
# vim /etc/fstab   /yumrepository  nfs   rw,sync,hard,intr   0  0

  • Take backup all the repo files in /etc/yum.repos.d and create a new repo file for local yum configuration.

# cd /etc/yum.repos.d/
# mkdir bkp
# # mv *.repo bkp/

  • Create repo file in /etc/yum.repos.d for centos 7 operating system.

# vim local.repo
name=Local yum server

  • Create repo file in /etc/yum.repos.d for centos 6 operating system.

# vim local.repo
name=Local yum server

Test yum server
# yum clean all
Loaded plugins: fastestmirror
Cleaning repos: LocalRepo
Cleaning up list of fastest mirrors
Other repos take up 112 M of disk space (use --verbose for details)

# yum update all
Loaded plugins: fastestmirror
Determining fastest mirrors
LocalRepo                                                                                       | 3.6 kB  00:00:00     
(1/2): LocalRepo/group_gz                                                                       | 155 kB  00:00:00     
(2/2): LocalRepo/primary_db                                                                     | 5.3 MB  00:00:00     
No Match for argument: all
No package all available.
No packages marked for update</code></pre>

 # yum info vsftpd
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
Installed Packages
Name        : vsftpd
Arch        : x86_64
Version     : 3.0.2
Release     : 25.el7
Size        : 353 k
Repo        : installed
From repo   : base
Summary     : Very Secure Ftp Daemon
URL         :
License     : GPLv2 with exceptions
Description : vsftpd is a Very Secure FTP daemon. It was written completely from
            : scratch.</code></pre>

# yum install vsftpd
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
Resolving Dependencies
--> Running transaction check
---> Package vsftpd.x86_64 0:3.0.2-10.el7 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

 Package                  Arch                     Version                           Repository                   Size
 vsftpd                   x86_64                   3.0.2-10.el7                      LocalRepo                   167 k

Transaction Summary
Install  1 Package

Total download size: 167 k
Installed size: 347 k
Is this ok [y/d/N]: y
Downloading packages:
vsftpd-3.0.2-10.el7.x86_64.rpm                                                                  | 167 kB  00:00:00     
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Installing : vsftpd-3.0.2-10.el7.x86_64                                                                          1/1 
  Verifying  : vsftpd-3.0.2-10.el7.x86_64                                                                          1/1 

  vsftpd.x86_64 0:3.0.2-10.el7                                                                                         


# yum repolist
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
repo id                                              repo name                                                   status
LocalRepo                                            Local yum server                                            3,723
repolist: 3,723

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