Shulou(Shulou.com)06/02 Report--

CentOS7 delete boot directory to play.

Grub2-install can resume the stage1-stage2 phase

1. Delete / boot

[root@localhost ~] # rm / boot-rf

Second, can't get up.

Grub, all the started img images are gone.

Third, CD-ROM rescue

Reference: https://blog.51cto.com/14012942/2426097

Sh-4.2# chroot / mnt/sysimage # cut root bash-4.2# mount / dev/cdrom / mnt # bash-4.2# rpm-ivh / mnt/Packages/kernel-3.10.0-957.el7.x86_64.rpm # install kernel bash-4.2# grub2-install / dev/sda # to restore stag1-stage2 Phase bash-4.2# grub2-mkconfig-o / boot/grub2/grub.cfg # generates grub.cfgbash-4.2# sync

Take a look at the file generated by kernel-3.10.0-957.el7.x86_64.rpm in the boot directory

[root@localhost ~] # rpm-ql kernel-3.10.0-957.el7.x86_64 | grep ^ / boot/boot/.vmlinuz-3.10.0-957.el7.x86_64.hmac/boot/System.map-3.10.0-957.el7.x86_64/boot/config-3.10.0-957.el7.x86_64/boot/initramfs-3.10.0-957.el7.x86cm 64.img bank bootbank symversMe 3.10.0- 957.el7.x86_64.gz/boot/vmlinuz-3.10.0-957.el7.x86_64

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