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