Linux OPS note day6--basic commands

Create a hard disk

cd/dev/

Fdisk-l: Viewing the capacity of a disk partition

Fdisk-l/dev/sda/: View the capacity of the first SCSI hard disk partition

Fdisk-l/dev/hdb/: View the capacity of the second IDE hard disk partition

Man fdisk

ll/proc/: Storage process, hard disk information

Cat/proc/partition: Viewing hard disk partitions

DF: Viewing partitions

df-th: View partition size, in m/g units

Du-sh *: Check the size of all files in the directory

New Hard disk

In VMware:

Hardware--HDD--add

Fdisk-l: See if you are creating a new hard disk

ll/dev/sd*: View all partitions of the first hard drive

Fdisk/dev/sdb: View the second partition of the first hard drive

Fdisk/dev/sdb

Then press the following parameters and actions:

M (man)--p (view)--n (new partition)--p--1--enter--+5g--enter--p

Then create a new extended partition:

N--e--4--enter--enter (press ENTER to default all remaining disk space size to the extended partition)

Fdisk-l (see if new partition for new hard drive is built)

To create a new logical partition in an extended partition:

Fdisk/dev/sdb

p--n--l--enter--+5g--enter--

N--l--enter--enter--enter--p--w

The extended partition is not displayed, divided into a primary partition, two logical partitions.

Mkfs.ext (Press the TAB key)

MKFS.EXT4 (centos6 default to EXT4, Format command MKFS.EXT4)

MKFS.EXT4/DEV/SDB1: Format the first partition of a second SCSI disk

Mkdir/mnt/sdb1

Mount/dev/sdb1/mnt/sdb1

Df-th: You can view new partition of new hard disk

This article is from the "On-the-way" blog, make sure to keep this source http://flakel.blog.51cto.com/10590546/1681741

Linux OPS note day6--basic commands