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