So you want to create a "secure" bitcoin wallet, but aren't sure of how to do that. Not a problem! This tutorial will guide you through the process of creating a secure wallet with which you can send, receive, and safely store your bitcoins. Before we get too far down the rabbit hole, make sure you've got a USB flash drive with at least 4 GB of space.

There are a number of reasons you would need to install multiple versions of node.js on one machine. Perhaps you need to test your node applications with different versions of node. Or maybe you just want to try out the latest, bleeding-edge version of node without having to uninstall your current version. In any event, wouldn't it be great if you could do all that? Well, as it turns out, this is relatively easy thanks to the nvm (Node Version Manager) project. It allows you to easily install and manage multiple different versions of node.

This article was written specifically for Ubuntu, but if you're using a different linux distribution, you can probably still follow the instructions here, except with a few minor changes to match your distro's way of doing things.

If you already know why you want to install node.js as a non-root user, go ahead to the next paragraph. Otherwise you may want to check out this stackoverflow answer that explains the situation quite well.

This article will walk you through the step-by-step process of installing node.js (with npm) on Ubuntu as a non-root user. If you're using a linux distribution other than Ubuntu, you can probably still follow the instructions here, except with a few minor changes to match your distro's way of doing things.

This article will walk you through the step-by-step process of installing node.js (with npm) from source on Ubuntu. If you're using a linux distribution other than Ubuntu, you can probably still follow the instructions here, except with a few minor changes to match your distro's way of doing things.

The bitcoind package that is available in the universal Ubuntu repositories is a very old version. You could add the bitcoin PPA and then install bitcoind from that; this will get you a stable version of bitcoind that is at most a month or two old. But, if you're the extra careful type, it doesn't hurt your peace-of-mind to have built bitcoind from source yourself.

This tutorial assumes you've already built bitcoind from source. If you haven't done that, go ahead and do that now.

First, you'll need to download the source code for the latest release of bitcoin; you can view a list of releases here. You'll usually want to get the most recent stable release (which will just have numbers, no suffix).