CentOS 6.8内核版本升级

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1.查看当前版本

[root@www.linuxidc.com docker]# cat /etc/issue

CentOS release 6.8 (Final)

Kernel \\r on an \\m

2.升级CentOS

[root@www.linuxidc.com docker]# yum update –y

3.内核升级至3.10

前往http://www.elrepo.org/

image

3.1下载升级包

[root@localhost ~]# rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org
[root@localhost ~]# cd /etc/yum.repos.d/

[root@localhost yum.repos.d]#rpm -Uvh http://ftp.riken.jp/Linux/fedora/epel/6Server/x86_64/epel-release-6-8.noarch.rpm


3.2 修改grub.conf文件的default=0

[root@localhost yum.repos.d]# vim /etc/grub.conf

# grub.conf generated by anaconda

#

# Note that you do not have to rerun grub after making changes to this file

# NOTICE:  You have a /boot partition.  This means that

#          all kernel and initrd paths are relative to /boot/, eg.

#          root (hd0,0)

#          kernel /vmlinuz-version ro root=/dev/mapper/VolGroup-lv_root

#          initrd /initrd-[generic-]version.img

#boot=/dev/sda

default=0

timeout=5

3.3 重启并查看内核

[root@localhost yum.repos.d]# reboot

[root@localhost ~]# uname -r

3.10.94-1.el6.elrepo.x86_64

[root@localhost ~]# more /etc/issue

CentOS release 6.7 (Final)

Kernel \\r on an \\m

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