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