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- Run curl ipinfo.io to check the accuracy of your VPN IP and location
- To disconnect the VPN, run sudo pkill pppd
- If you are unable to connect, please check your connection logs by running sudo cat /var/log/messages | grep pppd
https://linuxconfig.org/how-to-establish-pptp-vpn-client-connection-on-centos-rhel-7-linux