Git project with ignore some dir and files

1.

git init

2.
If you want to ignore some folders and files,write them into .gitignore

vim .gitignore

for example,we use this gitignore file as default

nbproject
log/*.log
tmp/**/*
config/database.yml
db/schema.rb
db/*.sqlite3
public/javascripts/all.js
public/stylesheets/all.css
.*
*.orig

# Other useful tidbits

.DS_Store
doc/api
doc/app


3.

git status


show the folders and files that should be tracked.

4.

add a new file
vim database-recommended.yml

5.push to server

git add .
git commit -a -m "to server"
git push