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