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Er. Bhupendra
Er. Bhupendra

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Windows (Git Bash / MINGW) me run karne ke steps and connection of Ec2

Aapka command:

ssh -i "my_key_usethis.pem" ubuntu@ec2-13-201-40-146.ap-south-1.compute.amazonaws.com
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🔎 Iska meaning

Part Meaning
ssh Secure Shell – remote server connect karne ke liye
-i my_key_usethis.pem Private key file (AWS key pair)
ubuntu EC2 instance ka username
ec2-13-201-40-146.ap-south-1.compute.amazonaws.com EC2 public DNS

✅ Windows (Git Bash / MINGW) me run karne ke steps

1️⃣ Key file folder me jao

Example:

cd /d/AWS_PAIR_KEY
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2️⃣ Permission set karo

chmod 400 my_key_usethis.pem
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3️⃣ SSH connect karo

ssh -i my_key_usethis.pem ubuntu@ec2-13-201-40-146.ap-south-1.compute.amazonaws.com
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⚠️ Common Errors

1️⃣ Permission denied

Solution:

chmod 400 my_key_usethis.pem
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2️⃣ Connection timed out

Check:

  • EC2 running hai
  • Security group me port 22 open hai

Inbound rule:

Type Protocol Port Source
SSH TCP 22 0.0.0.0/0

💡 DevOps Interview Tip

Interview me puchte hain:

How do you connect to an EC2 instance?

Answer:

ssh -i keypair.pem ubuntu@public-ip
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Steps:

1️⃣ EC2 launch
2️⃣ Key pair download
3️⃣ Port 22 open in security group
4️⃣ SSH using private key

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