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