> ## Documentation Index
> Fetch the complete documentation index at: https://cloud-architect.ipoint-labs.com/llms.txt
> Use this file to discover all available pages before exploring further.
# SSH into an EC2 instance
> Help for Cloud Practitioner labs
## 1. How to connect SSH into EC2 Instance
1. Once instance is launched, Select EC2 Instance Connect option and click on Connect button.(Keep everything else as default
2. A new tab will open in the browser where you can execute the CLI Commands.
## 2. MAC & Linux Users
1. Open Terminal application in your local system.
2. Navigate to the location where **.pem** key is downloaded and stored in your local.
3. To update **Permissions**, run command
* **Syntax : chmod 400** keypair\_filename
* **Example :** **chmod 400 ec2\_connect.pem**
4. User Name of the server :
* Amazon Linux AMI : **ec2-user**
* Ubuntu AMI : **ubuntu**
* OPENVPN AMI : **root**
5. To SSH and connect to the EC2 Instance, Enter the following command:
* Syntax : **ssh -i** keypair\_filename UserName\*\*@\*\*publicIPAddress (enter the username and public IP address)
* Example : **ssh -i** **ec2\_connect.pem** **ec2-user\@54.172.93.175** --> Click **Enter**
* Up next, type **yes** and Enter, you will be successfully logged into EC2 Instance.
## 3. SSH into EC2 instance for Windows (10,11) Users in command prompt and PowerShell
1. For this method, you have to use **PEM file from the EC2 Instance.**
2. **Once instance is launched, click on **connect button** and go to **SSH client section**.**
\*\*3.\*\***Now you can see an example in below for SSH client key, copy the key we will use it later.**
**4.Open command prompt or PowerShell in your windows.**
**5.** **You have to check where the PEM file has downloaded in your local. In my case its in downloads section.**
**6.** **Change your path to downloads section. Example of command \**
**7. The key which you have copied, we have to use now ssh -i "\" ec2-user\@ec2-\.compute-1.amazonaws.com**
**8. we have successfully connected to ec2 instance via windows PowerShell.**
**4. Microsoft Windows Users( Putty)**
1. Download putty and puttygen from this link : [https://www.chiark.greenend.org.uk/\~sgtatham/putty/releases/0.74.html](https://www.chiark.greenend.org.uk/~sgtatham/putty/releases/0.74.html)
2. To convert your key pair .pem to .ppk.
* Open **PuttyGen.**
* Click on **Load**
* Click on **All files** to show your .pem file and select the **.pem** **keypair** **file**.
* And Click on open, You will get uccess message if done correctly.
* Click on the **Save Private Key** button.
* Enter *keypairname* and **Save**.
* **keypairname.ppk** file will be saved to your local machine.
3. Navigate to the EC2 instance page and get the public IP of the machine.
4. Open **Putty**
* **Host Name : Enter the public IP address.**
* 
* Click 
, select 
,and again click credentials, then 
to select the private key (.ppk) that you converted from the .pem file.
* Click on 
.
* Select **accept** to connect to the machine
5. If you are using Amazon Linux AMI for the lab:
* Enter user name: **ec2-user** and hit Enter.
6. If you are using Ubuntu AMI for the lab:
* Enter user name: **ubuntu** and hit Enter.
7. If you are using OPENVPN AMI for the lab:
* Enter user name: **root** and hit Enter.
8. You will see the console after a successful login.
