How to expand disk capacity in Linux system
Step 1: check the disk size
Fdisk-l
Step 2: uninstall the partition
Umount / www
Step 3: delete the partition and re-establish it
Fdisk / etc/sdb
D
N
P
W
Step 4: uninstall the partition and check the file system
Umount / dev/sdb1
Umount / www
E2fsck-f / dev/sdb1 (ext4 file system)
Xfs_repair / dev/sdb1 (xfs file system)
Step 5: Mount the directory
Mount / dev/sdb1 / www
Step 6: rebuild the file system
Resize2fs / dev/sdb1 (ext4 file system)
Xfs_growfs / dev/sdb1 (xfs file system)
Step 7: confirm
Df-h
