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