红帽全球峰会21.4. 创建镜像
有关如何创建并将镜像上传到 Red Hat OpenStack Image 服务(glance)的指导，请参阅创建和管理镜像。将可信镜像用于您的环境以提高安全性，并使用机构的强化指南来进一步保护。您可以通过以下几种方法之一为您的环境获取镜像：
- 下载实例介质
- 要从可信源获取引导介质，请从官方红帽源下载镜像，并使用 SHA256SUM 进行验证。
- 从 ISO 创建镜像
- 有关从安装过程创建镜像的详情，请参考 创建 Red Hat Enterprise Linux 9 镜像。
- 使用镜像构建器
-
您可以使用
disk-image-builder生成在 OpenStack 中只有其用途所需的组件的最小系统。有关使用disk-image-builder创建自定义镜像的详情，请参考 生成自定义的 RHEL 系统镜像。
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