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centos7安装高版本内核
source link: https://www.bboy.app/2022/02/22/centos7%E5%AE%89%E8%A3%85%E9%AB%98%E7%89%88%E6%9C%AC%E5%86%85%E6%A0%B8/
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centos7安装高版本内核
单纯记录下
首先安装elrepo源
yum install elrepo-release -y
之后安装内核
yum makecache
yum --enablerepo=elrepo-kernel install -y kernel-lt
看下目前系统中存在的内核
awk -F\' '$1=="menuentry " {print i++ " : " $2}' /boot/grub2/grub.cfg
替换默认内核
yum install -y grub2-pc
grub2-set-default 0
vim /etc/default/grub
GRUB_DEFAULT=saved GRUB_DEFAULT=0
grub2-mkconfig -o /boot/grub2/grub.cfg
然后重启服务器
reboot
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