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