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