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