Linux:centos Kernel Upgrade

CentOS Kernel Upgrade

CentOS Upgrade 2.6 kernel to 3.10 in Yum's Elrepo source, there are 2 kernel versions of M ain L ine (3.13.1), L ONG-T erm (3.10.28), long-time for long-term support.

See current kernel version

Uname-r

Installing Elrepo(http://elrepo.org/tiki/tiki-index.php)

• Import Public key

RPM--import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org

• Installing Elrepo to CentOS-6.5

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

installing the long-time version kernel (http://elrepo.org/linux/kernel/el6/i386/RPMS/)

Yum--enablerepo=elrepo-kernel Install Kernel-lt-y

Edit grub.conf

Vim/etc/grub.conf

# grub.conf generated by Anaconda
#
# Note that you don't have the to rerun grub after making changes to the This file
# notice:you has a/boot partition. This means
# all kernel and INITRD paths is relative to/boot/, eg.
# root (hd0,0)
# kernel/vmlinuz-version RO Root=/dev/sda3
# initrd/initrd-[generic-]version.img
#boot =/DEV/SDA
Default=0#将1修改为0
Timeout=5
Splashimage= (hd0,0)/grub/splash.xpm.gz
Hiddenmenu
Title CentOS (3.10.105-1.el6.elrepo.i686)
Root (hd0,0)
kernel/vmlinuz-3.10.105-1.el6.elrepo.i686 ro root=uuid=a8b6e96e-a14e-4907-9c36-e608dc2fe13a Rd_NO_LUKS KEYBOARDTYPE=PC keytable=us rd_no_md Crashkernel=auto lang=zh_cn. UTF-8 RD_NO_LVM rd_no_dm RHGB quiet
Initrd/initramfs-3.10.105-1.el6.elrepo.i686.img
Title CentOS 6 (2.6.32-642.el6.i686)
Root (hd0,0)
kernel/vmlinuz-2.6.32-642.el6.i686 ro root=uuid=a8b6e96e-a14e-4907-9c36-e608dc2fe13a Rd_NO_LUKS KEYBOARDTYPE=pc Keytable=us rd_no_md Crashkernel=auto lang=zh_cn. UTF-8 RD_NO_LVM rd_no_dm RHGB quiet
Initrd/initramfs-2.6.32-642.el6.i686.img

Reboot, view kernel

Linux:centos Kernel Upgrade