CentOS6.5升级内核至4.X
1、 查看当前系统内核版本:
uname -r 2.6.32-573.el6.x86_64
2.curl https报错: curl: (35) SSL connect error
yum -y update nss
3.安装el源
### 先导入公钥 rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org rpm -Uvh http://www.elrepo.org/elrepo-release-6-8.el6.elrepo.noarch.rpm
4.升级内核
yum --enablerepo=elrepo-kernel install kernel-lt -y
5.修改Grub.conf
vim /etc/grub.conf 修改此项为:0 default=0
6.重启系统
reboot