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