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