CentOS 7离线升级内核:
uname -r 查看当前版本
下载对应mainline最新版本的kernel-ml和kernel-ml-devel
https://elrepo.org/linux/kernel/el7/x86_64/RPMS/
[root@7oam7hq3pj6ha4ub ~]# ll -h
total 70M
-rw-r–r-- 1 root root 56M Jan 16 18:02 kernel-ml-5.16.1-1.el7.elrepo.x86_64.rpm
-rw-r–r-- 1 root root 14M Jan 16 18:02 kernel-ml-devel-5.16.1-1.el7.elrepo.x86_64.rpm
[root@7oam7hq3pj6ha4ub ~]# rpm -ivh kernel-ml-*
warning: kernel-ml-5.16.1-1.el7.elrepo.x86_64.rpm: Header V4 DSA/SHA1 Signature, key ID baadae52: NOKEY
Preparing… ################################# [100%]
Updating / installing…
1:kernel-ml-devel-5.16.1-1.el7.elre################################# [ 50%]
2:kernel-ml-5.16.1-1.el7.elrepo ################################# [100%]
[root@7oam7hq3pj6ha4ub ~]# grub2-set-default 0
[root@7oam7hq3pj6ha4ub ~]# grub2-mkconfig -o /boot/grub2/grub.cfg
[root@7oam7hq3pj6ha4ub ~]# reboot
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