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