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