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