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