mount
You can configure mounting automatically in file /etc/fstab
in the file, you can see what to do … but the example is like /dev/sdb2  /mnt/data  ext4 defaults  0  0
How to mount/unmount in Ubuntu to use USB, CD/DVD ROM, etc
This article is referred to blog https://url.kr/v6a2tg \
OR you can search in GOOGLE, "how to access usb in ubuntu"
Method to use your USB
- 
    
Connect USB for Ubuntu PC
 - 
    
Check USB PATH and TYPE
 
- Using command in below
    
sudo fdisk -l
 - You shoud check USB Type, which is FAT32 or NTFS.
 
- Make directory to use mounting. This could be placed anywhere.
 
- In my case, I make 
/home/onejun/mount/usb 
- Mount USB to your directory
 
- Case USB Type is NTFS
    
sudo mount -t ntfs $USB_PATH /home/onejun/mount/usb
 - Case USB Type is FAT32
    
sudo mount -t vfat $USB_PATH /home/onejun/mount/usb
 - $USB_PATH’s example : /dev/sda1, /dev/sdb1 … /
 - Additionally, you can check connectivity that USB mounted well.
    
df -h
 
After your work DONE
- IMPORTANT STEP. Unmount your USB, before you pull out it.
 
sudo eject /home/onejun/mount/usbORsudo eject /dev/sda1…