红帽全球峰会第 5 章 故障排除
在从 RHEL 6.10 升级到 RHEL 7.9 后，排除并解决与软件包相关的问题。
5.1. 故障排除资源
复制链接链接已复制到粘贴板!
您可以参考以下故障排除资源。
控制台输出
默认情况下，Pre-upgrade Assistant 只会将级别为错误（error）和严重（critical）的日志信息输出到控制台输出中。要同时打印 debug、info 和 warning 信息，请在 redhat-upgrade-tool 命令中使用 --debug 选项。
日志
/var/log/upgrade.log 文件列出了在升级阶段发现的问题。
报告
/root/preupgrade/result.html 文件列出了在预升级阶段发现的问题。此报告也可以在 web 控制台中获得。如需更多信息，请参阅从 Web UI 评估升级是否适合性。
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