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