CentOS 7.6.1810 升级内核 由 3.10.0-862.el7.x86_64 升级到 4.4.186-1.el7.elrepo.x86_64

1 查看内核

[root@localhost ~]# cat /etc/redhat-release
CentOS Linux release 7.6.1810 (Core)

[root@localhost ~]# uname -a
Linux localhost.localdomain 3.10.0-862.el7.x86_64 #1 SMP Fri Apr 20 16:44:24 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
[root@localhost ~]#

2 安装最新版本的内核

update_kernel.sh

# 载入公钥
rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org