centos7 内核升级

需要下载三个rpm包

wget http://mirrors.coreix.net/elrepo-archive-archive/kernel/el7/x86_64/RPMS/kernel-lt-devel-4.4.215-1.el7.elrepo.x86_64.rpm
wget http://mirrors.coreix.net/elrepo-archive-archive/kernel/el7/x86_64/RPMS/kernel-lt-headers-4.4.215-1.el7.elrepo.x86_64.rpm
wget http://mirrors.coreix.net/elrepo-archive-archive/kernel/el7/x86_64/RPMS/kernel-lt-4.4.215-1.el7.elrepo.x86_64.rpm

安装

rpm -ivh kernel-lt-4.4.215-1.el7.elrepo.x86_64.rpm
rpm -ivh kernel-lt-devel-4.4.215-1.el7.elrepo.x86_64.rpm

查看

rpm -qa | grep kernel
kernel-3.10.0-1127.el7.x86_64
kernel-lt-devel-5.4.278-1.el7.elrepo.x86_64
abrt-addon-kerneloops-2.1.11-57.el7.centos.x86_64
kernel-tools-libs-3.10.0-1127.el7.x86_64
kernel-tools-3.10.0-1127.el7.x86_64
kernel-headers-3.10.0-1160.118.1.el7.x86_64
kernel-lt-5.4.278-1.el7.elrepo.x86_64

设置启动时的默认内核

awk -F' '$1=="menuentry " {print $2}' /etc/grub2.cfg
grub2-set-default 0

重启

reboot

posted @   itk  阅读(52)  评论(0编辑  收藏  举报
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