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