一、CentOS 7.9 升级内核 kernel-ml-5.6.14版本
地址
http://193.49.22.109/elrepo/kernel/el7/x86_64/RPMS
默认内核版本为3.10.0，现升级到 5.6.14 版本
查看当前内核版本
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[root@localhost ~]# uname -r3.10.0-1160.53.1.el7.x86_64 |
wget 下载
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wget http://193.49.22.109/elrepo/kernel/el7/x86_64/RPMS/kernel-ml-5.6.14-1.el7.elrepo.x86_64.rpmwget http://193.49.22.109/elrepo/kernel/el7/x86_64/RPMS/kernel-ml-devel-5.6.14-1.el7.elrepo.x86_64.rpm |
安装
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[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: NOKEYPreparing... ################################# [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.rpmwarning: kernel-ml-devel-5.6.14-1.el7.elrepo.x86_64.rpm: Header V4 DSA/SHA1 Signature, key ID baadae52: NOKEYPreparing... ################################# [100%]Updating / installing... 1:kernel-ml-devel-5.6.14-1.el7.elre################################# [100%] |
查看当前内核
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[root@ecs-65685 ~]# cat /boot/grub2/grub.cfg |grep ^menuentrymenuentry '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' { |
设置启动内核
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[root@ecs-65685 ~]# grub2-set-default 0# 或者grub2-set-default 'CentOS Linux (5.6.14-1.el7.elrepo.x86_64) 7 (Core)' |
重新生成一个grub2配置文件
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[root@ecs-65685 ~]# grub2-mkconfig -o /boot/grub2/grub.cfgGenerating grub configuration file ...Found linux image: /boot/vmlinuz-5.6.14-1.el7.elrepo.x86_64Found initrd image: /boot/initramfs-5.6.14-1.el7.elrepo.x86_64.imgFound linux image: /boot/vmlinuz-3.10.0-1160.53.1.el7.x86_64Found initrd image: /boot/initramfs-3.10.0-1160.53.1.el7.x86_64.imgFound linux image: /boot/vmlinuz-3.10.0-1160.el7.x86_64Found initrd image: /boot/initramfs-3.10.0-1160.el7.x86_64.imgFound linux image: /boot/vmlinuz-0-rescue-acca19161ce94d449c58923b12797030Found initrd image: /boot/initramfs-0-rescue-acca19161ce94d449c58923b12797030.imgdone |
重启系统
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[root@ecs-65685 ~]# reboot |
确认下是否启动默认内核指向上面安装的内核
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[root@ecs-65685 ~]# grubby --default-kernel/boot/vmlinuz-5.6.14-1.el7.elrepo.x86_64 |
确认使用的内核版本
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uname -r |
到此这篇关于CentOS 7.9 升级内核 kernel-ml-5.6.14版本的方法的文章就介绍到这了,更多相关CentOS 7.9 升级内核内容请搜索服务器之家以前的文章或继续浏览下面的相关文章希望大家以后多多支持服务器之家！
原文链接：https://www.cnblogs.com/huaxiayuyi/p/16788084.html
