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