linux setup
Create a New Sudo User
To add a new sudo user, open the terminal window and enter the command:
Use the actual username for your new user in place of UserName.
Next, create a password for the new user by entering the following in your terminal window:
The system should display a prompt in which you can set and confirm a password for your new user account. If successful, the system should respond with “all authentication tokens updated successfully.”
Add User to Group
To add a user to the wheel group, use the command:
As usual, replace UserName with the name of the user receiving sudo privileges.
Step: 3 Switch to the Sudo User
Switch to the new (or newly-elevated) user account with the su
(substitute user) command:
Enter the password if prompted. The terminal prompt should change to include the UserName.
ssh -i your-key.pem username@ip_address |
Step 2: Setup a password for the user using passwd command along with the username.
sudo passwd ubuntu |
Step 3: Edit sshd_config file.
sudo vim /etc/ssh/sshd_config |
Find the Line containing 'PasswordAuthentication' parameter and change its value from 'no' to 'yes'
PasswordAuthentication yes |
If you want to set up 'root' login, find 'PermitRootLogin' parameter and change its value from 'prohibit-password' to 'yes'
PermitRootLogin yes |
After this changes save file and exit. Step 4: Restart the SSH service.
service ssh restart ## for ubuntu service sshd restart ## for centos |
Step 5: Now we can log in using the password you set for the user. For example,
ssh ubuntu@54.224.72.66 |
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