grubby
grubby is provided by package grubby on RHEL based systems. To install grubby, run
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yum install grubby |
To list all kernels, run
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grubby --info=ALL |
To view the default kernel, run
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grubby --default-kernel |
To set a kernel default, you need to specify the vmlinux file, example
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grubby --set-default /boot/vmlinuz-3.10.0-962.3.2.lve1.5.73.el7.x86_64 |
Or specify the index
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grubby --set-default-index 2 |
Back to grub