CentOS upgrade Kernel (compile and install)

Yum install-y wget gcc gc BC GD make Perl ncurses-devel XZ
: https://www.kernel.org
#tar-JXVF Linux-3.4.56.tar.xz
#mv linux-3.4.56/usr/src/linux-3.4.56
#cd/usr/src/linux-3.4.56

# make Mrproper #清除环境变量, that is, clear the configuration file

# Make Menuconfig
Increase or decrease the kernel according to your own needs. After you press the TAB key to jump to < Exit > on the menu below, enter the system and ask

wish to save your new configuration to continue.

< Yes >< No >


The menu defaults to < Yes >, press ENTER to confirm the save.

# Make Clean #确保所有东西均保持最新状态.

# Make Bzimage #生成内核文件

# Make Modules #编译模块

# Make Modules_install #安装模块

# Make Install #安装


Edit

#vi/etc/grub.conf file, change default=1 to Default=0

Reboot the system and view the kernel

# reboot

# Uname-r Reference: http://blog.sina.com.cn/s/blog_6c25b1e50101ekf2.htmlhttp://michaelkang.blog.51cto.com/1553154/1266825

CentOS upgrade Kernel (compile and install)