ebpf 도커 레지스트리 nvidia-smi x509 nvcc ubuntu 도커 openvSwitch docker 쿠버네티스 인증서 yt-dlp vagrant-libvirt kubeadm bind9 bpf_trace_printk uprobe localGPT ovs 리눅스설정 libvirt-vagrant BPF ovpn vagrant libvirt ceph klosedstack dns ceph-osd jaeger-ceph net-scripts