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