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