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