update-resolv-conf on RHEL 7 / CentOS 7 / Fedora 23-25 / Sci

update-resolv-conf on RHEL 7 / CentOS 7 / Fedora 23-25 / Scientific Linux Nitrogen / Etc.

Get openresolv repo:
cd /etc/yum.repos.d
sudo wget https://copr.fedorainfracloud.org/coprs/macieks/openresolv/repo/epel-7/macieks-openresolv-epel-7.repo
sudo rpm --import https://copr-be.cloud.fedoraproject.org/results/macieks/openresolv/pubkey.gpg
sudo yum update
sudo yum install openresolv

Configure / Clean update-resolv-conf:
cd /etc/openvpn
sudo wget https://raw.githubusercontent.com/masterkorp/openvpn-update-resolv-conf/master/update-resolv-conf.sh
sudo mv update-resolv-conf.sh update-resolv-conf
sudo chmod +x /etc/openvpn/update-resolv-conf

Add missing lines to config:
Enter the dir containing the ovpn files:
for f in `ls | grep ovpn`; do echo "script-security 2" >> $f; echo "up /etc/openvpn/update-resolv-conf" >> $f; echo "down /etc/openvpn/update-resolv-conf" >> $f; done