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Even if you are not an infrastructure engineer that you want to keep this knowledge :)
Introduction
Recently, the use of servers on the cloud has increased. The infrastructure department handles the preparation of the server and the settings around the network, but since the developers often deploy the apps, even engineers who are mainly involved in development need at least SSH knowledge.
Also, since VMs are sometimes created in the local environment with Vagrant etc., there are increasing cases where SSH is used in the local environment.
That’s why even if you’re not an infrastructure engineer, knowledge of SSH clients is becoming essential, so I decided to relearn SSH again.
What exactly is SSH ???
This is a protocol for securely communicating with remote computers using cryptographic and authentication technologies. SSH enables more secure communication than conventional Telnet
SSH features:
- Communicate by encrypting passwords and data.
- When a client connects to a server, it strictly checks that the destination is not directed to an unintended server.
