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What are the commands to manage ports from my command line.

Example:

Opening Ports, Closing Ports, Viewing their status, etc.

I am having a hard time finding this answer. I'm trying to...

thanks both suggestions made it work like a charm

I have a few questions below on ports.

From my understanding ports are what allow information to come into your computer and each port interprets/allows specific information/data to come in. Is...

I'm trying to use the textutil feature in terminal to convert this .pages file to a .txt file. I've succeeded converting other files like .doc or .docx over to a .txt but this one in particular is...

I wrote a simple test.java program in vi. I know it compiles correctly because I went into the directory where test.java was and compiled it and it created a java.class. I then ran test.java by...

I see how "cd", "ls -l", "man", "chmod", "who", etc... may be considered external commands. However, say for example i'm using the ssh command to log in remotely from my macbook to another macbook....

I just found an interesting tool from the apple developer site called textutil that's built in OSX. Apparently it wasn't added until OSX 10.4. Thought this was interesting.

Just thought I would...

Sometimes I'm working from terminal for long periods of time and I come across a doc file I don't recognize. I've been trying to figure out how to view it instead of opening up word.

I've tried...

I'm taking a LINUX and UNIX class and we are using bash as the shell in terminal. On my mac-book I use zsh only because my professor had a pretty cool start-up file for it.

It has benefited me in...

Just talked to IT and the target computer is a single user computer. So I'm going to guess, that I won't be able to log in using ssh from my macbook!?

in reply to your recent suggestion,...

Entering what you just told me I get nothing

I've entered Alien@127.0.0.1 and I get the following


The authenticity of host '127.0.0.1 (127.0.0.1)' can't be established.
ECDSA key fingerprint is 35:3e...................
Are you sure you...

does this help? i'm confused on what ip address and name I should type into the ssh command

Here is a screenshot of the target computer I'm trying to login to from my computer that might help. At the moment i'm having a hard time understanding what IP I'm suppose to use with ssh.

Also...

When i'm on the target machine I do a whoami and it shows root. I do a hostname and it shows Alien. Which one do I use?

ip a

inet 10.25.12.204/24 brd 10.25.12.255 schope global etho

Which...

Executing the steps you mentioned, could I do this from my macbook with another computer in the lab as the "target" or is this where it starts getting more difficult.

Do I have to be on the target computer to run that command and find it's IP and username or can I do all of it from the computer I'll be on? What is the command in looking up the username?

INTRODUCTION:

I'm taking a LINUX class at school and I would like to learn more about logging into another computer remotely using the secure shell (ssh). I would like to learn to do this with...