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