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