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