What is the method to mount and expand a disk in Linux?

In Linux systems, you can mount disks and expand them using the following methods:

1. To confirm the partition and file system of a disk: use the command fdisk -l to view the disk’s partition information, and use the command df -h to check the file system usage.
2. You can create a new partition by using tools like fdisk or parted if there are no available partitions on the disk.
3. Format the new partition: Use the mkfs command to format the new partition into the desired file system format, such as ext4.
4. Create a mount point: Use the mkdir command to create a directory as the mount point, for example /mnt/newdisk.
5. Mount a new partition: Use the command `mount` to mount the new partition to the created mount point, for example `mount /dev/sdb1 /mnt/newdisk`.
6. Validate the mount point: use the command df -h to verify if the mount was successful, and ensure that the new partition is mounted to the specified mount point.
7. Automatic Mounting: To automatically mount a new partition during system startup, it is necessary to add a mounting information in the /etc/fstab file. You can use the command blkid to view the UUID of the new partition and add it to the /etc/fstab file.
8. If the disk has been resized but the file system has not automatically resized, you can use the command “resize2fs” to expand the file system. For example, “resize2fs /dev/sdb1”.

The method above is a common way to expand disk storage by mounting, although the specific steps may vary slightly depending on the Linux distribution and file system used.