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