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