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