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