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