CentOS kernel compilation (kernel upgrade)

CentOS kernel compilation (kernel upgrade)

1. view the system kernel version

# Uname-r
2.6.18-92. el5

2,# Wgetwget https://www.kernel.org/pub/linux/kernel/v3.x/linux-3.13.tar.gzDownload linux-3.13.tar.gzKernel source code file

3, # cd/usr/src/linux-3.13

4. # make mrproperClear environment variables, that is, clear the configuration file
5. # make menuconfigIn menu mode, select the kernel module to be compiled.

# Support for gcc and ncurses-devel is required. If not, install yum

6. # make & make modules_install & make install

Or gradually execute:

# Make clean make sure everything is up to date.

# Make bzImage: generate the Kernel File

# Make modules compilation Module

# Make modules_install installation Module

# Make install Installation

# Mkinitrd/boot/initrd_2.6.18.img generate an image file based on the kernel version and specified parameters

# Cp arch/x86/boot/bzImage/boot/vmlinuz-2.6.18

# Cp/usr/src/linux-2.6.18/System. map/boot/System. map-2.6.18

7. # vi/boot/grub. conf# Start the system with a new kernel and restart the system;