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Install WireGuard on CentOS for a lightweight VPN—add the repo with curl -Lo /etc/yum repos d/wireguard repo https://copr fedorainfracloud org/coprs/jdoss/wireguard/repo/epel-7/jdoss-wireguard-epel-7 repo then yum install wireguard-tools Generate keys with wg genkey configure /etc/wireguard/wg0 conf and start with wg-quick up wg0 Test with wg—expect peer info Secures remote access beyond SSH