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