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