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