Add a new virtual hard disk for ubuntu in vbox

After a new virtual hard disk is added to the virtual ubuntu in the vbox and Ubuntu is installed in the virtualbox, the hard disk space is insufficient. The following solutions are available: 1. add new hard disk settings-& gt; Storage-& gt; SATA controller-& gt; right-click, select Add virtual hard disk, and then ,... after a new virtual hard disk is added to the virtual ubuntu in the vbox and Ubuntu is installed in the virtualbox, the hard disk space is insufficient. The following solutions are available: 1. add new hard disk Settings-> Storage-> SATA controller-> right-click, select "Add virtual hard disk", and create a suitable hard disk as needed. 2. restart the virtual machine to view the Disk space of the existing system sudo fdisk-l. you can see the newly added virtual hard Disk, which is generally named: Disk/dev/sdb3. enter m for the newly added hard Disk partition fdisk/dev/sdb, you can see the help information command (m for help): m adds a new Partition command (m for help): n selects a basic Partition, input: p to create a Partition number (1-4): 1 press Enter First cylinder (1-15908, default 1): Enter to write and exit command (m for help ): w4. format the disk partition in ext4 format for/dev/sdb1 to enter and format sudo mkfs. ext4/dev/s Db15. create a new mount point for the mount partition sudo mkdir/work. mount the new disk partition to the/work directory sudo mount-t ext4/dev/sdb1/home/hadoop/NewDisk1/view the mount df-h shows the newly added hard disk: /dev/sdb16. mount the file sudo vim/etc/fstab to the last line: /dev/sdb1/home/hadoop/NewDisk1/ext4 defaults 0 0 a total of six parameters, in turn, are "the device where the file system is located; Mount point; file system type; Mount parameters, most systems use "defaults" to meet their needs. the last two are dump and the first is the boot sequence. if there is no need for dump, it is not enough to set the system boot disk to 0. 7. after all the hard disks are set successfully, the partitions are mounted but cannot be written. you need to change the permission: sudo chmod-R 777/home/hadoop/NewDisk1/