Linux disk partition, format, mount

 Linux disk partition, format, mount

Zoning:
. A view disk partition table:

fdisk  -l

 

. B check the specified disk partition table:

fdisk  -l  /dev/sdb

 

. C partition command:

fdisk /dev/sdb
Commonly used commands:
n: create a new partition
d: Delete existing partitions
t: Modify partition type
l: see all types of support
p: shows the existing partition information
w: Save and Exit
q: exit without saving
m: View help information

. D create a primary partition:

. E create an extended partition:

n➡️e

. F created (on the basis of the extended partition) logical partitions:

n➡️l

1.  

    The partition effect:

   partprobe  /dev/sdb

    
2. Format:
   . A command:

   mkfs.ext4  /dev/sdb1
   

    

 

Mount:
. A mount used to create a folder:

 

mkdir  /var/lib/kubelet

 

. B manually mount:

mount  /dev/sdb1  /var/lib/kubelet

 

 

. C boot automatically mount:

echo  "/dev/sdb  /var/lib/kubelet/  ext4  defaults  0  0"  >>  /etc/fstab