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