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