how to setup password for an AWS EC2 running instance

The AWS EC2 Linux instance uses a .pem private key file to authenticate the default ubuntu user account.

Let us learn about how to set up a password on your running EC2 instance,

Prerequisites

• You have ec2 instance running
• You have root access to ec2 instance

Step 1

Connect to your Linux ec2 instance via putty (/ssh).

Step 2

Login to your running instance

Step 3

Execute below command:

sudo passwd ec2-user

And write the password

Step 4

Now it’s time to go to the directory

/etc/ssh

and follow below command

sudo vim sshd_config 

Step 5

After you apply the command, 

Press “i” and

Now go to the “passwordauthentication” and write “yes”

After change, it please save it

Perfect

Step 6

Last command is

sudo service sshd restart

and disconnect and login again using username and password