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