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SAAlmost every software engineer has heard the term SSH, but many beginners don’t clearly understand what it actually does.
SSH stands for Secure Shell.
It is a protocol that allows you to securely connect to a remote server and control it from your own machine.
For example:
Your laptop might be in your home, but your Linux server could be running in a data center somewhere in the world.
Using SSH, you can log in to that server and run commands as if you were sitting in front of it.
The key advantage of SSH is security.
Unlike older protocols like Telnet, SSH encrypts the entire communication, which means:
• Commands are encrypted
• Passwords are encrypted
• Data transfer is encrypted
SSH also supports key-based authentication, which uses:
• Private Key → stored on your machine
• Public Key → stored on the server
The server verifies the private key through the public key and allows access.
A basic SSH command looks like this:
ssh username@server_ip
SSH is one of the most fundamental tools used by developers, DevOps engineers, and system administrators to manage Linux servers.
In the next reels we will go deeper into Linux internals and system concepts.
Follow @sankalp.codes if you’re learning Linux, Systems, and Engineering fundamentals.
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