您可以列出所有内核菜单条目，或者查看特定内核的 GRUB 菜单条目。
流程
要列出所有内核菜单条目，请输入：
grubby --info=ALL
# grubby --info=ALL
index=0
kernel="/boot/vmlinuz-4.18.0-372.9.1.el8.x86_64"
args="ro crashkernel=auto resume=/dev/mapper/rhel-swap rd.lvm.lv=rhel/root rd.lvm.lv=rhel/swap rhgb quiet $tuned_params zswap.enabled=1"
root="/dev/mapper/rhel-root"
initrd="/boot/initramfs-4.18.0-372.9.1.el8.x86_64.img $tuned_initrd"
title="Red Hat Enterprise Linux (4.18.0-372.9.1.el8.x86_64) 8.6 (Ootpa)"
id="67db13ba8cdb420794ef3ee0a8313205-4.18.0-372.9.1.el8.x86_64"
index=1
kernel="/boot/vmlinuz-0-rescue-67db13ba8cdb420794ef3ee0a8313205"
args="ro crashkernel=auto resume=/dev/mapper/rhel-swap rd.lvm.lv=rhel/root rd.lvm.lv=rhel/swap rhgb quiet"
root="/dev/mapper/rhel-root"
initrd="/boot/initramfs-0-rescue-67db13ba8cdb420794ef3ee0a8313205.img"
title="Red Hat Enterprise Linux (0-rescue-67db13ba8cdb420794ef3ee0a8313205) 8.6 (Ootpa)"
id="67db13ba8cdb420794ef3ee0a8313205-0-rescue"
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要查看特定内核的 GRUB 菜单条目，请输入：
grubby --info /boot/vmlinuz-4.18.0-372.9.1.el8.x86_64
# grubby --info /boot/vmlinuz-4.18.0-372.9.1.el8.x86_64
grubby --info /boot/vmlinuz-4.18.0-372.9.1.el8.x86_64
index=0
kernel="/boot/vmlinuz-4.18.0-372.9.1.el8.x86_64"
args="ro crashkernel=auto resume=/dev/mapper/rhel-swap rd.lvm.lv=rhel/root rd.lvm.lv=rhel/swap rhgb quiet $tuned_params zswap.enabled=1"
root="/dev/mapper/rhel-root"
initrd="/boot/initramfs-4.18.0-372.9.1.el8.x86_64.img $tuned_initrd"
title="Red Hat Enterprise Linux (4.18.0-372.9.1.el8.x86_64) 8.6 (Ootpa)"
id="67db13ba8cdb420794ef3ee0a8313205-4.18.0-372.9.1.el8.x86_64"
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注意
尝试 tab 补全来查看 /boot 目录中的可用内核。