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