> For the complete documentation index, see [llms.txt](https://bryan-guner.gitbook.io/my-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://bryan-guner.gitbook.io/my-docs/cheat-sheets/es6-imports/bash/ssh-cheatsheet.md). # SSH Cheatsheet ## SSH Cheat Sheet #### Login via SSH with password (LOCAL SERVER) `$ ssh bryan@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 bryan@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 bryan@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 bryan` `$ id bryan` `$ usermod -aG sudo bryan` `$ id bryan` #### Login as bryan `> ssh bryan@doserver` #### We need to add the key to bryans .ssh on the server, log back in as root `$ ssh root@doserver` `$ cd /home/bryan` `$ mkdir .ssh` `$ cd .ssh` `$ touch authorized_keys` `> sudo nano authorized_keys` (paste in the id\_rsa\_do.pub key, exit and log in as bryan) #### 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/bryan/\* to bryan `$ sudo chown -R bryan:bryan /home/bryan` #### May need to set permission `$ chmod 700 /home/bryan/.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/bryan/.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:bryantraversy/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/bryan/react_otka_auth/build/* /var/www/html` ## SSH Cheat Sheet #### Login via SSH with password (LOCAL SERVER) `$ ssh bryan@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 bryan@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 bryan@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 bryan` `$ id bryan` `$ usermod -aG sudo bryan` `$ id bryan` #### Login as bryan `> ssh bryan@doserver` #### We need to add the key to bryans .ssh on the server, log back in as root `$ ssh root@doserver` `$ cd /home/bryan` `$ mkdir .ssh` `$ cd .ssh` `$ touch authorized_keys` `> sudo nano authorized_keys` (paste in the id\_rsa\_do.pub key, exit and log in as bryan) #### 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/bryan/\* to bryan `$ sudo chown -R bryan:bryan /home/bryan` #### May need to set permission `$ chmod 700 /home/bryan/.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/bryan/.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:bryantraversy/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/bryan/react_otka_auth/build/* /var/www/html` --- # Agent Instructions This documentation is published with GitBook. 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