1.该命令显示内核的启动顺序
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| zgw@zgw-ThinkPad:~$ grep menuentry /boot/grub/grub.cfg if [ x"${feature_menuentry_id}" = xy ]; then menuentry_id_option="--id" menuentry_id_option="" export menuentry_id_option menuentry 'Ubuntu' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-simple-5bce3795-da96-4c6f-bed2-67d37185a77d' { submenu 'Ubuntu 高级选项' $menuentry_id_option 'gnulinux-advanced-5bce3795-da96-4c6f-bed2-67d37185a77d' { menuentry 'Ubuntu,Linux 4.8.0-26-lowlatency' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.4.0-45-lowlatency-advanced-5bce3795-da96-4c6f-bed2-67d37185a77d' { menuentry 'Ubuntu, with Linux 4.8.0-26-lowlatency (upstart)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.4.0-45-lowlatency-init-upstart-5bce3795-da96-4c6f-bed2-67d37185a77d' { menuentry 'Ubuntu, with Linux 4.8.0-26-lowlatency (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.4.0-45-lowlatency-recovery-5bce3795-da96-4c6f-bed2-67d37185a77d' { menuentry 'Ubuntu,Linux 4.8.0-26-generic' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.4.0-45-generic-advanced-5bce3795-da96-4c6f-bed2-67d37185a77d' { menuentry 'Ubuntu, with Linux 4.8.0-26-generic (upstart)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.4.0-45-generic-init-upstart-5bce3795-da96-4c6f-bed2-67d37185a77d' { menuentry 'Ubuntu, with Linux 4.8.0-26-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.4.0-45-generic-recovery-5bce3795-da96-4c6f-bed2-67d37185a77d' { menuentry 'Ubuntu,Linux 4.4.0-21-generic' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.4.0-21-generic-advanced-5bce3795-da96-4c6f-bed2-67d37185a77d' { menuentry 'Ubuntu, with Linux 4.4.0-21-generic (upstart)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.4.0-21-generic-init-upstart-5bce3795-da96-4c6f-bed2-67d37185a77d' { menuentry 'Ubuntu, with Linux 4.4.0-21-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.4.0-21-generic-recovery-5bce3795-da96-4c6f-bed2-67d37185a77d' { menuentry 'Memory test (memtest86+)' { menuentry 'Memory test (memtest86+, serial console 115200)' {
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- 假设你要以4.4.0-21内核版本启动,则将文件/etc/default/grub中
Ubuntu, with Linux 4.4.0-72-generic
GRUB_DEFAULT=0
改为
GRUB_DEFAULT=6
或者改为
GRUB_DEFAULT=”Ubuntu,Linux 4.4.0-21-generic“
保存后
- 然后使用命令sudo update-grub
4.重新启动后输入uname -r查看,内核即为想要的内核。
作者:StruggleYouth
来源:CSDN
原文:https://blog.csdn.net/u011304615/article/details/70920171
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