红帽全球峰会第 2 章 指定要运行的 RHEL 内核
您可以通过在引导过程中手动在 GRUB 菜单中选择所需的内核来引导任何安装的内核、标准或 Real Time。您还可以将内核配置为默认引导。
安装 RHEL for Real Time 内核时，它会自动设置为默认内核，并在下次引导时使用。
2.1. 显示默认内核
复制链接链接已复制到粘贴板!
您可以默认显示配置为引导的内核。
流程
查看默认内核：
# grubby --default-kernel /boot/vmlinuz-4.18.0-80.rt9.138.el8.x86_64命令的输出中的
rt显示默认内核是一个实时内核。
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