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