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