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