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