Ultimate Command Line Reference 2021 — Bash, Git, Node, Python, Ruby, PHP

Alex Merced Coder

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Feb 5, 2021

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Bash Terminal

Basic Terminal

• list all files ls -la
• change directories cd folderName
• display current dir pwd
• remove file rm filename
• remove directory rm -rf directory
• print contents of file cat filename
• directory mkdir directoryName
• make file touch filename
• go up a directory cd ..
• go back to home directory cd ~

Special

• Kill a Port sudo kill -9 $(sudo lsof -t -i:3000)

Git

Git Commands

• new git repo git init
• clone remote repo git clone repourl
• add to staging git add filename
• git commit git commit -m “message”
• push to remote repo git push remoteName BranchName
• pull from remote repo git pull remoteName BranchName
• list branches git branch
• switch branches git checkout branchName
• create branch git checkout -b branchName
• delete branch git checkout -d branchName
• see commit log git log
• see staged files git status
• fetch updated list of remote branches git fetch
• add remote git remote add remoteName remoteURL
• remove remote git remote rm remoteName
• list remotes git remote -v
• create new commit reverting to old commit git revert commitHash
• move back to old commit removing prior commits git reset commitHash

NodeJS

NPM Commands

• new package.json file npm init -y
• install new library npm install libName
• install all libraries in package.json npm install
• run script from package.json npm run scriptName
• uninstall library npm uninstall libName
• install library globally npm install -g libName

Terminal Text Editors

Nano (Terminal Text Editor)

• Open file in nano nano filename
• Exit and save changes ctrl + x

VIM (Terminal Text Editor)

• Open file in VIM vim fileName
• go to insert mode i
• exit insert mode esc
• save and exit :wq

Ruby

Ruby Gem

• Install a Gem gem install gemName
• List all installed Gems gem list
• Uninstall a Gem gem uninstall gemName
• Update Gems gem update
• Clean Old Gem Versions gem cleanup

Bundler

• Install Bundler gem install bundler
• Install all Gems in a Gemfile bundle install
• Update all listed Gems bundle update — all

Ruby on Rails

• new rails project rails new projectName
• new rails API rails new — api projectName
• new rails project with postgres rails new -d postgresql
• new rails without git rails new — skip-git
• new rails without yarn rails new — skip-yarn
• run dev server rails server
• Ruby Console with Models Loaded rails console
• DB Console for Project DB rails dbconsole
• See all project routes rails routes
• generate model/controller/resource/scaffold rails generate generatorName nameOfThing
• create db rails db:create
• run migrations rails db:migrate
• reset database rails db:reset
• rollback last migration rails db:rollback
• seed the database rails db:seed
• drop the database rails db:drop

Python

PIP

• install a package pip install packageName
• list all installed packages pip list
• uninstall a package pip uninstall packageName
• generate requirements.txt pip freeze > requirements.txt

Django

• new django project django-admin startproject projectName
• new app in project django-admin startapp projectName
• run dev server python manage.py runserver
• create migrations python manage.py makemigrations
• run migrations python manage.py migrate
• create a superuser python manage.py createsuperuser

PHP

PHP CLI

• Run a php file in terminal php filename
• start a web server in current folder php -S localhost:####

Composer

• Install libraries from composer.json php composer.phar install

Laravel

• Create New Project composer create-project laravel/laravel
• run dev server php artisan serve
• run db console php artisan db
• new migration php artisan make:migration migration_name
• run mgirations php artisan migrate
• rollback last migration php artisan migrate:rollback
• reset all migrations php artisan migrate:reset
• reset and rerun migrations php artisan migrate:refresh
• drop all tables and migrate php artisan migrate:fresh
• create seed php artisan make:seeder seederName
• running seeds php artisan db:seed
• make a controller php artisan make:controller controllerName
• make a model php artisan make:model modelName