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