Assign Sudo privileges to the user in Oracle Linux

Login with the root user and open the sudoers file

$ vi /etc/sudoers 

OR

$ visudo

Then go to the session and add user oracle as shown below or you choose your username:

## Allow root to run any commands anywhere
root    ALL=(ALL)       ALL
oracle ALL=(ALL)        ALL

You can also add entry of your user without password prompt as:

## Same thing without a password
# %wheel        ALL=(ALL)       NOPASSWD: ALL
oracle ALL=(ALL) NOPASSWD: ALL

Save the file and your user is added as sudo group. you can run your command using sudo with user in Oracle Linux