[AWS] SSH into EC2 instanse
When Launch a new EC2 instance, in the final step, you can create a new private key pair and download it as pem file.
For example, I have one call `mynewkeypair.pem`.
Secrity group:
When creating security group, you need to make sure, you have allow `Anywhere` for `HTTP` & `SSH` (just for testing, not for production)
1. Change premission for pem file:
chmod 400 mynewkeypair.pem
2. SSH into EC2:
ssh ec2-user@<public_ipv4_address> -i mynewkeypair.pem
You can find <public_ipv4_address> in EC2 instanse information.
3. Type `yes` to continue
4. When successfully login, you will see:
Now, let's say, we want to turn our linux server as web hosting server.
1. Switch to root user
sudo su
2. Check any packages need to be udpated
yum update -y
3. Install Apache server:
yum install httpd -y
4. Start the server:
systemctl start httpd
This start the server manually, if we want to start the server automaticlly when the server bootstrap, we can do:
systemctl enable httpd
5. Verify:
systemctl status httpd
You can see:
Active: active (running) since Mon 2021-03-22 08:43:11 UTC; 1min 59s ago
6. Add new webpage:
cd /var/www/html nano index.html
Add simple html:
<html><body><h1>Hello Cloud Guru!!</h1></body></html>
Save the file:
Ctrl + X
Y
Enter
7. See the page:
Copy the Public IP address and paste into browser, you should see the hello message
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