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CentOS?7.9?升級內核?kernel-ml-5.6.14版本的方法_云其它

作者：嬌小赤雅 ? 更新時間： 2022-11-25 編程語言

一、CentOS 7.9 升級內核 kernel-ml-5.6.14版本

地址

http://193.49.22.109/elrepo/kernel/el7/x86_64/RPMS

默認內核版本為3.10.0，現升級到 5.6.14 版本

查看當前內核版本

[root@localhost ~]# uname -r
3.10.0-1160.53.1.el7.x86_64

wget 下載

wget http://193.49.22.109/elrepo/kernel/el7/x86_64/RPMS/kernel-ml-5.6.14-1.el7.elrepo.x86_64.rpm
wget http://193.49.22.109/elrepo/kernel/el7/x86_64/RPMS/kernel-ml-devel-5.6.14-1.el7.elrepo.x86_64.rpm

安裝

[root@ecs-65685 ~]# rpm -ivh kernel-ml-5.6.14-1.el7.elrepo.x86_64.rpm 
warning: kernel-ml-5.6.14-1.el7.elrepo.x86_64.rpm: Header V4 DSA/SHA1 Signature, key ID baadae52: NOKEY
Preparing...                          ################################# [100%]
Updating / installing...
1:kernel-ml-5.6.14-1.el7.elrepo    ################################# [100%]

[root@ecs-65685 software]# rpm -ivh kernel-ml-devel-5.6.14-1.el7.elrepo.x86_64.rpm
warning: kernel-ml-devel-5.6.14-1.el7.elrepo.x86_64.rpm: Header V4 DSA/SHA1 Signature, key ID baadae52: NOKEY
Preparing...                          ################################# [100%]
Updating / installing...
   1:kernel-ml-devel-5.6.14-1.el7.elre################################# [100%]

查看當前內核

[root@ecs-65685 ~]# cat /boot/grub2/grub.cfg |grep ^menuentry
menuentry 'CentOS Linux (5.6.14-1.el7.elrepo.x86_64) 7 (Core)' --class centos --class gnu-linux --class gnu --class os --unrestricted $menuentry_id_option 'gnulinux-3.10.0-1160.el7.x86_64-advanced-f5954a19-b069-42e4-a6ca-3a1cd06d0735' {
menuentry 'CentOS Linux (3.10.0-1160.53.1.el7.x86_64) 7 (Core)' --class centos --class gnu-linux --class gnu --class os --unrestricted $menuentry_id_option 'gnulinux-3.10.0-1160.el7.x86_64-advanced-f5954a19-b069-42e4-a6ca-3a1cd06d0735' {
menuentry 'CentOS Linux (3.10.0-1160.el7.x86_64) 7 (Core)' --class centos --class gnu-linux --class gnu --class os --unrestricted $menuentry_id_option 'gnulinux-3.10.0-1160.el7.x86_64-advanced-f5954a19-b069-42e4-a6ca-3a1cd06d0735' {
menuentry 'CentOS Linux (0-rescue-acca19161ce94d449c58923b12797030) 7 (Core)' --class centos --class gnu-linux --class gnu --class os --unrestricted $menuentry_id_option 'gnulinux-0-rescue-acca19161ce94d449c58923b12797030-advanced-f5954a19-b069-42e4-a6ca-3a1cd06d0735' {

設置啟動內核

[root@ecs-65685 ~]# grub2-set-default 0
# 或者
grub2-set-default 'CentOS Linux (5.6.14-1.el7.elrepo.x86_64) 7 (Core)'

重新生成一個grub2配置文件

[root@ecs-65685 ~]# grub2-mkconfig -o /boot/grub2/grub.cfg
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-5.6.14-1.el7.elrepo.x86_64
Found initrd image: /boot/initramfs-5.6.14-1.el7.elrepo.x86_64.img
Found linux image: /boot/vmlinuz-3.10.0-1160.53.1.el7.x86_64
Found initrd image: /boot/initramfs-3.10.0-1160.53.1.el7.x86_64.img
Found linux image: /boot/vmlinuz-3.10.0-1160.el7.x86_64
Found initrd image: /boot/initramfs-3.10.0-1160.el7.x86_64.img
Found linux image: /boot/vmlinuz-0-rescue-acca19161ce94d449c58923b12797030
Found initrd image: /boot/initramfs-0-rescue-acca19161ce94d449c58923b12797030.img
done

重啟系統

[root@ecs-65685 ~]# reboot

確認下是否啟動默認內核指向上面安裝的內核

[root@ecs-65685 ~]# grubby --default-kernel
/boot/vmlinuz-5.6.14-1.el7.elrepo.x86_64

確認使用的內核版本

uname -r

原文鏈接：https://www.cnblogs.com/huaxiayuyi/p/16788084.html

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