Linux 23rd day HDD and Module command parsing

Linux 23rd day HDD and Module command parsing

Time: 20180811

Uuidgen generate a random UUID

-T generates a UUID based on the system time and IP address

-R generates random UUID based on/dev/random device

Gdisk a tool for interactively managing GPT partitioned tables

Options

-l list specified disk information

Interactive Menu

b backing up a GPT partition table to a file

c Changing the partition name

D Delete Partition

I display the details of the partition

L list the known partition types

n Add a new partition

o Add a new GPT partition table

P Display partition table information

Q Do not save exit

R recovery or conversion options (for expert use only)

s sort partition

T adjust the partition type

V-Check Disk

W Save and exit

X extra features (limited to expert use)

parted a partition management tool (non-interactive mode, easy to use in scripting)

-l list all disk partition information

Partprobe (CentOS7 reread HDD partition table)

Partx-a (CENTOS6 reread HDD partition table)

Kpartx let the kernel reread the partition table

-A adding partition mappings

-F Forced mapping

Blkid Viewing property information for a specified block device

-L ' lable ' can view the disk partition corresponding to the volume label name

-U uuid to see the disk partition information for the UUID

LSBLK display the inner partition table information

-F Displays the UUID and partition type of the partition

Lsmod Show module status in the kernel

Insmod let the kernel load a module

Modprobe adding or removing a module from the kernel

--show-depends shows which modules depend on this module

Modinfo View details of a module

Rmmod Removing a module

Findfs which device is queried based on UUID or label

FINDMNT Finding the file system

Mkiso creating ISO Format files (disc mirroring)

-G generic_boot_image

Genisoimage-o Cd.iso Cd_dir

Linux 23rd day HDD and Module command parsing