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