CentOS7--rm -rf /boot/*

查看boot下面的所有内容

[root@localhost Desktop]# ls /boot/*
/boot/config-3.10.0-327.el7.x86_64                             /boot/initramfs-3.10.0-327.el7.x86_64kdump.img  /boot/System.map-3.10.0-327.el7.x86_64
/boot/initramfs-0-rescue-079fa89c5edb45acb20a66788875fc67.img  /boot/initrd-plymouth.img                       /boot/vmlinuz-0-rescue-079fa89c5edb45acb20a66788875fc67
/boot/initramfs-3.10.0-327.el7.x86_64.img                      /boot/symvers-3.10.0-327.el7.x86_64.gz          /boot/vmlinuz-3.10.0-327.el7.x86_64

/boot/grub:
splash.xpm.gz

/boot/grub2:
device.map  fonts  grub.cfg  grubenv  i386-pc  locale  themes

删除boot下面所有的内容

[root@localhost Desktop]# rm -rf /boot/*
[root@localhost Desktop]# ls /boot
[root@localhost Desktop]# cd /boot
[root@localhost boot]# ls
[root@localhost boot]# reboot