课程: Ubuntu Linux: Essential Commands
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Remote command line access
- [Narrator] When you're administrating systems, it's not always practical to have physical access to them. In fact, as you deploy more servers and manage more systems, it's likely that you won't be using any of them directly on a daily basis. In order to access the system remotely, we can use a protocol called SSH, or Secure Shell, to open a remote shell on a system across a network. On many servers, the software that hosts the connection for remote users requesting access, called OpenSSH Server, is already installed. Here on Ubuntu Desktop, it's not, but we can install it. We can do that with sudo apt install openssh-server. I'll choose to continue. And that installs the software, creates the configuration, and starts up the service. So without having to configure anything ourselves, we're then able to connect to this computer through a text terminal, securely. Administrating SSH is a topic onto itself, so we'll just take a look at the basics here. SSH is running on our system, and…
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