Remember once centos6.5 kernel upgrade

Disclaimer: This article is a blogger original article, shall not be reproduced without the bloggers allowed. https://blog.csdn.net/u013219624/article/details/89714863

# 查看内核版本
uname -r

# 升级yum
yum -y update

# 导入ELRepo仓库的公共密钥（http://elrepo.org/tiki/tiki-index.php）
rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org

# 安装ELRepo仓库的yum源
yum install https://www.elrepo.org/elrepo-release-6-8.el6.elrepo.noarch.rpm

# 查看可用内核包
yum --disablerepo="*" --enablerepo="elrepo-kernel" list available

# 安装内核
yum --enablerepo=elrepo-kernel install kernel-lt

# default=0指向新内核
vim /etc/grub.conf

# 重启
reboot