bradtraversy/ssh.md

## ssh.md

      
    Raw
  

              ssh.md
            
          
    SSH Cheat Sheet

This sheet goes along with this SSH YouTube tutorial

Login via SSH with password (LOCAL SERVER)

$ ssh brad@192.168.1.29
Create folder, file, install Apache (Just messing around)

$ mkdir test
$ cd test
$ touch hello.txt
$ sudo apt-get install apache2
Generate Keys (Local Machine)

$ ssh-keygen
Add Key to server in one command

> cat ~/.ssh/id_rsa.pub | ssh brad@192.168.1.29 "mkdir -p ~/.ssh && chmod 700 ~/.ssh && cat >>  ~/.ssh/authorized_keys
Create & copy a file to the server using SCP

$ touch test.txt
$ scp ~/test.txt brad@192.168.1.29:~
DIGITAL OCEAN


Create account->create droplet

Create Keys For Droplet (id_rsa_do)

$ ssh-keygen -t rsa

Add Key When Creating Droplet

Try logging in

$ ssh root@doserver
If it doesn't work

$ ssh-add ~/.ssh/id_rsa_do
(or whatever name you used)
Login should now work

$ ssh root@doserver
Update packages

$ sudo apt update
$ sudo apt upgrade
Create new user with sudo

$ adduser brad
$ id brad
$ usermod -aG sudo brad
$ id brad
Login as brad

> ssh brad@doserver
We need to add the key to brads .ssh on the server, log back in as root

$ ssh root@doserver
$ cd /home/brad
$ mkdir .ssh
$ cd .ssh
$ touch authorized_keys
> sudo nano authorized_keys
(paste in the id_rsa_do.pub key, exit and log in as brad)
Disable root password login

$ sudo nano /etc/ssh/sshd_config
Set the following

PermitRootLogin no
PasswordAuthentication no
Reload sshd service

$ sudo systemctl reload sshd
Change owner of /home/brad/* to brad

$ sudo chown -R brad:brad /home/brad
May need to set permission

$ chmod 700 /home/brad/.ssh
Install Apache and visit ip

 $ sudo apt install apache2 -y
Github

Generate Github Key(On Server)

 $ ssh-keygen -t rsa
(id_rsa_github or whatever you want)
Add new key

$ ssh-add /home/brad/.ssh/id_rsa_github
If you get a message about auth agent, run this and try again

```$ eval `ssh-agent -s````
Clone repo

$ git clone git@github.com:bradtraversy/react_otka_auth.git
Install Node

$ curl -sL https://deb.nodesource.com/setup_10.x | sudo -E bash -
$ sudo apt-get install -y nodejs
Install Dependencies

 $ npm install
Start Dev Server and visit ip:3000

$ npm start
Build Out React App

 $ npm run build
Move static build to web server root

 $ sudo mv -v /home/brad/react_otka_auth/build/* /var/www/html