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