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