Java hello world class hello { public static void main(String[] args) { System.out.println("hello, world"); } } javac java hello jar cvf hello.jar hello.class »

Install Django

apt-get update apt-get install python3-pip pip3 install virtualenv mkdir ~/newproject cd ~/newproject virtualenv newenv source newenv/bin/activate pip install django django-admin --version deactivate cd ~/newproject »

Node.js hello world

As an asynchronous event driven JavaScript runtime, Node is designed to build scalable network applications. In the following "hello world" example, many connections can be handled »

Backup Linux

Backup: tar -cvpzf /backup-linux.tgz --warning=no-file-changed --exclude=/backup-linux.tgz --exclude=/backup-etc.tgz --exclude=/backup-var-www.tgz --exclude=/root/.bash_history --exclude=/home/foo/.bash_history --exclude= »