Shulou(Shulou.com)06/02 Report--

1. Check the version number of the current system

# uname-r

2. Find the kernel that exists on the system before the point.

# rpm-qa | grep kernel

3. Remove redundant kernel versions

# yum remove kernel-XXXXXXXXX

Choose a kernel not to use

4, restart

# reboot

PS: no need to manually modify the grub.conf file

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