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