Centos6内核版本2.6升级到3.10

1.当前操作系统信息

# uname -a
Linux test16 2.6.32-642.el6.x86_64 #1 SMP Tue May 10 17:27:01 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
# cat /etc/redhat-release 
CentOS release 6.8 (Final)

2.升级内核版本到3.10.108,安装yum源

   (1)Import the public key
      #   rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org
   (2)安装源
      # rpm -Uvh http://www.elrepo.org/elrepo-release-6-8.el6.elrepo.noarch.rpm

Retrieving http://www.elrepo.org/elrepo-release-6-8.el6.elrepo.noarch.rpm
Preparing... ########################################### [100%]
1:elrepo-release ########################################### [100%]

3.升级CentOS

  # yum update -y

4.升级内核

# yum --enablerepo=elrepo-kernel install kernel-lt -y

5.修改/etc/grub.conf文件的default=0

6.重启并查看内核

# uname -r
3.10.108-1.el6.elrepo.x86_64