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【转】CentOS 6.8内核版本升级

【转】CentOS 6.8内核版本升级

作者: Kandy | 来源:发表于2017-11-17 17:26 被阅读0次

    CentOS6.8内核版本升级

    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/

    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 -ivh http://www.elrepo.org/elrepo-release-6-6.el6.elrepo.noarch.rpm

    [root@localhost yum.repos.d]# yum --enablerepo=elrepo-kernel install kernel-lt -y

    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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