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This article mainly explains the "update yum source leads to system crash how to do", the article explains the content is simple and clear, easy to learn and understand, the following please follow the editor's ideas slowly in-depth, together to study and learn "update yum source leads to system crash how to do" it!

Yesterday's update of the yum source caused the system to crash, unable to boot into the system, and all commands failed, in order to avoid this. The following actions are recommended

Ignore the kernel when yum update is updated

Yum update automatically updates the kernel when it is updated by default:

You can avoid upgrading the kernel in two ways:

1. Modify the configuration file vim / etc/yum.conf of yum:

Add exclude=kernel* at the end of [main]

2. Add the following parameters directly after the yum command:

Yum-exclude=kernel* update

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