How to solve the problem of insufficient boot space in centos7

Solution to insufficient boot space in centos7: 1. Execute "umount /boot mkdir /boot_old mount /dev/sda1 /boot_old"; 2. Execute "cp -rp * /boot"; 3. Delete the boot item That’s it.

The operating environment of this article: CentOS 7 system, DELL G3 computer

How to solve the problem of insufficient centos7 boot space?

Solving the lack of space in the centos /boot directory

Because I didn’t look carefully when installing the system, the default setting of the /boot directory is only 100M, so I compiled several versions The kernel/boot space is not enough.

Mount it and you will see that the /boot directory is mounted on /dev/sda1 and the space is only 100M

Solution:

1. umount /boot

2. mkdir /boot_old

3. mount /dev/sda1 /boot_old

4. Go to the /boot_old directory: cp -rp * /boot

5. Delete the /boot entry in the /etc/fstab table

This method is to cancel hanging /boot on sda1 and use the /boot directory directly, but you need to change the original directory Copy the files on /dev/sda1 to /boot.

Recommended: "centos usage tutorial"

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