$ vagrant up
Bringing machine 'default' up with 'virtualbox' provider...
==> default: Importing base box 'bento/oracle-7.5'...
==> default: Matching MAC address for NAT networking...
==> default: Checking if box 'bento/oracle-7.5' is up to date...
==> default: Setting the name of the VM: ol7_dns
==> default: Clearing any previously set network interfaces...
==> default: Preparing network interfaces based on configuration...
    default: Adapter 1: nat
    default: Adapter 2: intnet
==> default: Forwarding ports...
    default: 22 (guest) => 2222 (host) (adapter 1)
==> default: Running 'pre-boot' VM customizations...
==> default: Booting VM...
==> default: Waiting for machine to boot. This may take a few minutes...
    default: SSH address: 127.0.0.1:2222
    default: SSH username: vagrant
    default: SSH auth method: private key
    default: Warning: Remote connection disconnect. Retrying...
    default: Warning: Remote connection disconnect. Retrying...
    default: Warning: Remote connection disconnect. Retrying...
    default: Warning: Remote connection disconnect. Retrying...
    default: 
    default: Vagrant insecure key detected. Vagrant will automatically replace
    default: this with a newly generated keypair for better security.
    default: 
    default: Inserting generated public key within guest...
    default: Removing insecure key from the guest if it's present...
    default: Key inserted! Disconnecting and reconnecting using new SSH key...
==> default: Machine booted and ready!
==> default: Checking for guest additions in VM...
==> default: Configuring and enabling network interfaces...
    default: SSH address: 127.0.0.1:2222
    default: SSH username: vagrant
    default: SSH auth method: private key
==> default: Mounting shared folders...
    default: /vagrant => /u02/git/vagrant/rac/dns
    default: /vagrant_config => /u02/git/vagrant/rac/config
    default: /vagrant_scripts => /u02/git/vagrant/rac/shared_scripts
==> default: Running provisioner: shell...
    default: Running: inline script
    default: ******************************************************************************
    default: Prepare yum with the latest repos. Sat Aug 4 06:29:18 UTC 2018
    default: ******************************************************************************
    default: --2018-08-04 06:29:18--  http://yum.oracle.com/public-yum-ol7.repo
    default: Resolving yum.oracle.com (yum.oracle.com)... 
    default: 23.217.4.120
    default: Connecting to yum.oracle.com (yum.oracle.com)|23.217.4.120|:80... 
    default: connected.
    default: HTTP request sent, awaiting response... 
    default: 200 OK
    default: Length: 11929 (12K) [text/plain]
    default: Saving to: ‘public-yum-ol7.repo’
    default: 
    default:      0K .......... .                                          100% 80.3M=0s
    default: 
    default: 2018-08-04 06:29:18 (80.3 MB/s) - ‘public-yum-ol7.repo’ saved [11929/11929]
    default: ******************************************************************************
    default: Amend hosts file with public, private and virtual IPs. Sat Aug 4 06:29:18 UTC 2018
    default: ******************************************************************************
    default: ******************************************************************************
    default: Amend hosts file with SCAN IPs. Sat Aug 4 06:29:18 UTC 2018
    default: ******************************************************************************
    default: ******************************************************************************
    default: Install dnsmasq. Sat Aug 4 06:29:18 UTC 2018
    default: ******************************************************************************
    default: Loaded plugins: ulninfo
    default: Resolving Dependencies
    default: --> Running transaction check
    default: ---> Package dnsmasq.x86_64 0:2.76-5.el7 will be installed
    default: --> Finished Dependency Resolution
    default: 
    default: Dependencies Resolved
    default: 
    default: ================================================================================
    default:  Package          Arch            Version             Repository           Size
    default: ================================================================================
    default: Installing:
    default:  dnsmasq          x86_64          2.76-5.el7          ol7_latest          277 k
    default: 
    default: Transaction Summary
    default: ================================================================================
    default: Install  1 Package
    default: 
    default: Total download size: 277 k
    default: Installed size: 586 k
    default: Downloading packages:
    default: Running transaction check
    default: Running transaction test
    default: Transaction test succeeded
    default: Running transaction
    default:   Installing : dnsmasq-2.76-5.el7.x86_64                                    1/1
    default:  
    default:   Verifying  : dnsmasq-2.76-5.el7.x86_64                                    1/1
    default:  
    default: 
    default: Installed:
    default:   dnsmasq.x86_64 0:2.76-5.el7                                                   
    default: 
    default: Complete!
    default: Created symlink from /etc/systemd/system/multi-user.target.wants/dnsmasq.service to /usr/lib/systemd/system/dnsmasq.service.
$