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