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[帮助文档] 将Red Hat Enterprise Linux（RHEL）7升级为RHEL 8

如果您的ECS实例及应用程序部署在RHEL 7上，希望升级到RHEL 8以获得新功能或者更好的性能，您可以参考本文在ECS实例上将RHEL 7直接升级为RHEL 8。

[帮助文档] 如何将Red Hat Enterprise Linux（RHEL）虚拟机镜像导入阿里云

本教程介绍如何将Red Hat Enterprise Linux（RHEL）虚拟机镜像导入阿里云，并使用它在控制台中创建ECS实例。本教程适用于RHEL 6.9/6.10、7.4及以上版本、8.0及以上版本。

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安装 RedHat Linux AS4.0 后花屏的解决方法

在虚拟机上安装 RedHat Linux AS4.0 后，由于视频配置时选择颜色深度太高，把 16 位色配置为 24 位色，导致打开图形界面时出现花屏，屏幕宽度非常大，严重变形，不能操作。既然是显卡配置部分出现问题，就必须修改该部分的配置信息。在这种情况下，这...

Redhat Enterprise Linux 5系统引导故障解决方法

应用场景：/boot目录中所有文件被管理员误删除，且/etc/fstab文件被改名，系统已经无法引导，通过修复模式进入系统，发现所有的分区已经不能正常挂载和访问；该服务器中有非常重要的服务和数据，要求在不损坏任何数据的情况快速的修复系统。解决过程：1、从BIOS中设置开启PXE引导功能，并选择从网...

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