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