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