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Linux upgrade kernel

2025-01-17 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Servers >

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Shulou(Shulou.com)06/02 Report--

1. compile the kernel

cd /usr/src

Copy the kernel upgrade package to this directory and extract it.

tar -vxf linux-2.6.32.60.tar.bz2

cd linux-2.6.32.60

cp /boot/config-2.6.18-164.el5 .config

make menuconfig (if the screen does not pop up, ncurses-devel needs to be installed)

Select Load an Alternate Configuration File

Select OK on the pop-up screen

Select Save an Alternate Configuration File

select OK

opt out

vim .config

Modify # CONFIG_SYSFS_DEPRECATED_V2 is not set to CONFIG_SYSFS_DEPRECATED_V2=y

save and exit

make all

make modules_install

make install

2. modify initrd

cp /boot/initrd-2.6.32.60.img /tmp

cd /tmp/

mkdir newinitrd

cd newinitrd/

zcat ../ initrd-2.6.32.60.img |cpio -i

ls

vim init

echo "loading dm-region-hash.ko module"

insmod /lib/dm-region-hash.ko

There are two copies, one of which is deleted.

find .| cpio -c -o > ../ initrd

cd ..

gzip -9 initrd-2.6.32.60.img

cp initrd-2.6.32.60.img /boot

3. modify the grub

vi /boot/grub/grub.conf

Change default=1 to default=0 Save Exit

4. restart the system

5. Enter in the startup project, there will be two kernels, one is old, one is the latest compilation

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