Week 3 Flashcards
What does SSH stand for?
secure shell
to use SSH, you need to have what?
SSH client & an SSH server
SSH client installed on the computer you’re connecting from & an SSH server on the computer you’re trying to connect to
is an SSH server considered software or hardware?
software
what is the most popular program to use SSH within Linux?
openSSH program
what is a protocol implemented by other programs to securely access one computer from another?
Secure Shell, SSH
what two things do we need to login to a remote machine ?
an account on that computer
the host name
or
IP address of that computer
SSH keys come in a set of two keys called what?
private & public keys
how do public and private keys work?
You can lock something with the public key, but you can only unlock it with a private key and vice versa.
whats another way that you can connect securely to a remote machine besides SSH?
VPN
What is PuTTY ?
a free, open source software, that you can use to make remote connections, through several network protocols including SSH
Running PuTTY from the GUI isn’t your only option. You could also use it on what?
command line
what is the whole package that manages our computers resources and let’s us interact with it?
Operating System
what are the two main parts to an operating system?
Kernel Space & User Space
what is the main core of an operating system?
Kernel Space
what talks directly to our hardware & manages our systems resources?
the Kernel Space
as users, we don’t interact with the kernel directly, instead we interact with what?
second part of an operating system, the user space
what is basically made up of everything outside the kernel?
the User Space
these are things we work with directly like system programs & user interfaces
There are hundreds of operating systems out there, but what are the major ones used in IT?
Windows, Mac, and Linux.
what is the main core of an operating system?
the Kernel
what talks directly to our hardware and manages our systems resources?
kernel
As users, we don’t interact with the kernel directly. Instead, we interact with the second part of an operating system which is what?
User Space
Windows OS is developed by who?
Microsoft
Most PCs you buy come with what as the default operating system?
Windows
What does PC stand for?
Personal Computer
