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