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