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