Update CentOS from DVD without internet

centos7dependenciesupdate

How to install and update packages from DVD which I mounted? What I do so far is to mount the DVD. 

#mount -r -t iso9660 /dev/sr0 /mnt/DVD

So now is there a way to update it automatic all packets or I must do one by one? For example:

yum --disablerepo=\* --enablerepo=DVD install ....

UPDATE: This is content of /etc/yum.repos.d/local.repo

[DVDRepo]
name=Local DVD Repository
baseurl=file:///mnt/DVD
enabled=1
gpgcheck=1

Best Answer

first you have to create a repo file for your new repo (the dvd) For example a file called /etc/yum.repos.d/dvd.repo

[dvd]
name=Local DVD Repository
baseurl=file:///mnt/DVD
enabled=1
gpgcheck=1

Then you should disable your other repos and update, and you'll be able to run a yum update from there.

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