What is the default username for your Amazon Linux ec2 instance?


Dorothy Cowan   |   Member since 2010  |  10+ Answers Submitted  |  ✔ Verified

The default user name is determined by the AMI that was specified when you launched the instance. For Amazon Linux 2 or the Amazon Linux AMI, the user name is ec2-user. For CentOS, the user name is centos. For Debian, the user name is admin or root .

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Sofia Russell   |   Member since 2020  |  10+ Answers Submitted  |  ✔ Verified

Also question is, how do I access my ec2 instance username and password?

Password Authentication For AWS ec2

  1. Step 1: Login to the server using ssh client of your choice using the private key.
  2. Step 2: Open sshd_config file.
  3. Step 3: Find the Line containing “PasswordAuthentication” parameter and change its value from “no” to “yes“
  4. Step 4: Setup a password for the user using “passwd” command along with the username.
Subsequently, question is, what is the root password for ec2 instance? The quick answer is: The default Amazon Linux EC2 instance does not allow root user login. This returns a "Permission denied" error. Try the "sudo" command ("substitute user do" - most commonly the substitue user is root.


Zoe Patel   |   Member since 2011  |  10+ Answers Submitted  |  ✔ Verified

People also ask, what is the default username for Ubuntu in AWS?

by Eric Hammond


Aiden Bentley   |   Member since 2016  |  10+ Answers Submitted  |  ✔ Verified

How do I access ec2 instance without key pair?

1 Answer

  1. You can try the following steps:
  2. Note: I did this for Ubuntu EC2.
  3. Step 1: Login as root using the keypair.
  4. Step 2: Set up the users and their passwords according to your requirements.
  5. Step 3: Edit the SSH configuration, which you can do using /etc/ssh/sshd_config setting.
  6. Set the following parameters as given:

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Related Answered Questions

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Leah Furnell   |   Member since 2007  |  ✔ Verified

How do I find my Amazon ec2 root password?

To get a temporary root password to complete a task, follow these steps:Grant a user root permissions, or assume root user permissions by running the sudo su command. Manually create a password for the root user. Complete the task. Delete the password for the root user.


Vicky Rogers   |   Member since 2014  |  ✔ Verified

What is ec2 user in AWS?

Amazon Elastic Compute Cloud (Amazon EC2) is a web service that provides secure, resizable compute capacity in the cloud. It is designed to make web-scale cloud computing easier for developers. Amazon EC2's simple web service interface allows you to obtain and configure capacity with minimal friction.


Percy Fulton   |   Member since 2010  |  ✔ Verified

How do I add users to Amazon Linux?

Steps to create SSH user in AWS Linux machine: The following command creates a new user and adds it into the ec2-user security group. Log in as newuser using the sudo and su commands. Go to newuser's home directory. Generate a new public/private key pair for this user using with the ssh-keygen command.


Bob Carson   |   Member since 2019  |  ✔ Verified

How do I connect to AWS instance?

Open the Amazon EC2 console at https://console.aws.amazon.com/ec2/ .In the navigation pane, choose Instances. Select the instance and choose Connect. Choose EC2 Instance Connect (browser-based SSH connection), Connect.


Erick Jarvis   |   Member since 2006  |  ✔ Verified

What is Linux Sudo command?

Linux sudo command. Updated: 05/04/2019 by Computer Hope. On Unix-like operating systems, the sudo command (sudo stands for "superuser do") allows a user with proper permissions to execute a command as another user, such as the superuser.


Nicholas Tyrrell   |   Member since 2012  |  ✔ Verified

What is my ec2 username?

The default user name is determined by the AMI that was specified when you launched the instance. For Amazon Linux 2 or the Amazon Linux AMI, the user name is ec2-user. For CentOS, the user name is centos. For Debian, the user name is admin or root.


Josh Vince   |   Member since 2020  |  ✔ Verified

How do you add a user in Linux?

To add/create a new user, all you've to follow the command 'useradd' or 'adduser' with 'username'. The 'username' is a user login name, that is used by user to login into the system. Only one user can be added and that username must be unique (different from other username already exists on the system).


Louise Warner   |   Member since 2016  |  ✔ Verified

Is ec2 user root?

Enable root Access for Linux Instances AWS doesn't grant root access by default to EC2 instances. Users are supposed to open a ssh connection using the secure key/pair to login as ec2-user. Users are supposed to use the sudo command as ec2-user to obtain elevated privileges.


Lara Jenkins   |   Member since 2011  |  ✔ Verified

How do I list users in Linux?

Get a List of All Users using the /etc/passwd FileUser name. Encrypted password ( x means that the password is stored in the /etc/shadow file) User ID number (UID) User's group ID number (GID) Full name of the user (GECOS) User home directory. Login shell (defaults to /bin/bash )


Hannah Swift   |   Member since 2017  |  ✔ Verified

How do I access ec2 instance even if PEM file is lost?

How to access EC2 Instance even if PEM file is lostFirst, create a new instance by creating new access file, call it 'helper' instance with same region and VPC as of the lost pem file instance. Now stop the lost pem file instance. Go to EBS volumes, select the root volume of the lost pem file instance and detach.


Sabina Boden   |   Member since 2020  |  ✔ Verified

What is key pair in AWS?

Amazon AWS uses keys to encrypt and decrypt login information. At the basic level, a sender uses a public key to encrypt data, which its receiver then decrypts using another private key. These two keys, public and private, are known as a key pair. You need a key pair to be able to connect to your instances.


Ron Eastwood   |   Member since 2007  |  ✔ Verified

What is AMI?

An Amazon Machine Image (AMI) is a special type of virtual appliance that is used to create a virtual machine within the Amazon Elastic Compute Cloud ("EC2"). It serves as the basic unit of deployment for services delivered using EC2.


George Wellington   |   Member since 2011  |  ✔ Verified

How do I change user in Linux?

To change to a different user and create a session as if the other user had logged in from a command prompt, type "su -" followed by a space and the target user's username. Type the target user's password when prompted.


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