Installing node.js/io.js on Debian/Ubuntu (executive summary)

Readme.md

Originally in this blog post, but it's a bit hidden at the bottom, so here's the wrap up:

Node.js v0.12

Available for:

• Debian 7 / stable (wheezy)
• Debian testing (jessie)
• Debian unstable (sid)
• Ubuntu 12.04 LTS (Precise Pangolin)
• Ubuntu 14.04 LTS (Trusty Tahr)
• Ubuntu 14.10 (Utopic Unicorn)

# Note the new setup script name for Node.js v0.12
curl -sL https://deb.nodesource.com/setup_0.12 | sudo bash -

# Then install with:
sudo apt-get install -y nodejs 

Io.js

• Debian testing (jessie)
• Debian unstable (sid)
• Ubuntu 14.04 LTS (Trusty Tahr)
• Ubuntu 14.10 (Utopic Unicorn)

# Note the new setup script name for io.js
curl -sL https://deb.nodesource.com/setup_iojs_1.x | sudo bash -

# Then install with:
sudo apt-get install -y iojs

Node.js

# Note the new setup script name for Node.js v0.10
curl -sL https://deb.nodesource.com/setup_0.10 | sudo bash -

# Then install with:
sudo apt-get install -y nodejs