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