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