Debian 10 can't connect?

In
2

I pulled Debian 10 Buster onto my old laptop today. It works so far, but now I want to put an SSH server on it so that I can reach it via my computer via PuTTY. But the problem comes after I've entered sudo apt-get update so that I can install the openssh server. But the big thing is that it can't establish a connection to the secruity.debian… Server. Since I don't have a lot of knowledge about the network, I can't tell you how far the Lapi is connected to the Internet, since I've just connected it to the LAN until now.

Ka

Well browser open google.com what search, then you know if you are connected.

or via command line

wget http://www.google.de/....google.de

In

He does not find wget commando