Usually, Amazon Linux images have password and root login disabled by default. Amazon AWS EC2 recommends to use SSH keys to access the images. The images are usually also sudo enabled.
Jan 01, 2014 · [Update 2017-01-20: Fedora now uses ssh to the fedora user instead of ec2-user or root. Thanks to Ashok for posting in the comments.] [Update 2018-03-16: Suse now uses ssh to the ec2-user user instead of root. Thanks to Aaron, @_Dad_Ops on Twitter.] [Update 2018-03-16: Link to Amazon’s list.] Users must adhere to password policies as defined in the directory. Sometimes this can get the best of users, including the directory admin, and they forget their password. When this happens, you can quickly reset the user's password using AWS Directory Service if the user resides in either a Simple AD or AWS Managed Microsoft AD directory. 1. Log-in to the target EC2 instance as root (ec2-user). 2. Create the user’s login and home directory. 3. Generate a key pair and place the public key in the user’s home directory. If the user already has a key pair, copy the public key of that key pair to the user’s home directory on the target EC2 instance. 4. May 02, 2017 · Logging on RHEL using default user “ec2-user” Eg. For logging on to RHEL ec2 instance you need to use default AWS username “ec2-user”. Once logged in you need to use sudo command to root user for performing admin tasks as below: ssh -i /path/my-key-pair.pem ec2-user@public-ip Now, instead of ec2-user, it could be root, or centos, or ubuntu, or something else. You can check under the "Usage Instructions". If it's not there, and you've tried all the above users, find out from the documentation that came with the AMI. There is one bug on AWS that cost me a lot of time. Adding EC2 User Data for Windows Instances. User Data commands for Windows can either be executed via the command prompt of via PowerShell. Running Command Prompt Commands in EC2 User Data. To execute your startup commands in a Command Prompt window (batch commands) you need to enclose your commands with the tags.
May 02, 2017 · Logging on RHEL using default user “ec2-user” Eg. For logging on to RHEL ec2 instance you need to use default AWS username “ec2-user”. Once logged in you need to use sudo command to root user for performing admin tasks as below:
Amazon Linux creates a user called ec2-user. When using Ubuntu on amazon it creates an ubuntu user. For all intents and purposes, they function the same, it's just a different name on a different os. Both systems have a root user, but generally that won't be the one used to ssh so I am surprised you have seen that. Username: Default is ec2-user Password: Default is the Instance ID gathered in Step 3. Click Login to proceed to the Matillion ETL client. Next Steps If this is your first login to Matillion ETL, we STRONGLY advise that your first
Jan 27, 2016 · The default user name for the instance depends on the OS. For example, use “centos” for CentOS, “ubuntu” for Ubuntu Linux, and "ec2-user” for most other Linux distributions. After you log in using the user ID and password for your instance, you can run privileged commands using sudo as a prefix before each command, as shown in this
Jan 01, 2014 · [Update 2017-01-20: Fedora now uses ssh to the fedora user instead of ec2-user or root. Thanks to Ashok for posting in the comments.] [Update 2018-03-16: Suse now uses ssh to the ec2-user user instead of root. Thanks to Aaron, @_Dad_Ops on Twitter.] [Update 2018-03-16: Link to Amazon’s list.] Users must adhere to password policies as defined in the directory. Sometimes this can get the best of users, including the directory admin, and they forget their password. When this happens, you can quickly reset the user's password using AWS Directory Service if the user resides in either a Simple AD or AWS Managed Microsoft AD directory.