內核包使用ELReo提供
1.准備ELRepo
(1)檢測ELRepo是否安裝
yum --disablerepo="*" --enablerepo="elrepo-kernel" list available
(2)安裝ELRepo
centos6 使用
rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org rpm -Uvh https://www.elrepo.org/elrepo-release-6-8.el6.elrepo.noarch.rpm
centos7 使用
rpm -Uvh https://www.elrepo.org/elrepo-release-7.0-3.el7.elrepo.noarch.rpm
2.升級內核
yum --disablerepo="*" --enablerepo="elrepo-kernel" list available
yum --enablerepo=elrepo-kernel install kernel-lt
3.查看是否成功
rpm -qa | grep -i kernel
----------------------------------------安裝kernel-devel
1.下載rpm
網址
https://pkgs.org/download/kernel-devel
查看Install Howto 部分，進入對應網址，如
http://mirror.rackspace.com/elrepo/elrepo/el6/i386/RPMS/
下載對應elrepo-release*rpm
2.安裝
rpm -Uvh elrepo-release*rpm
yum --enablerepo=elrepo-kernel install kernel-lt-devel
3.檢查
ls /usr/src/kernels