To install Julia 64-bit generic linux binaries for x86 systems in Ubuntu.

Install Julia via Linuxbrew

1. Install dependencis

sudo apt-get install build-essential curl file git python-setuptools gfortran

2. Install Linuxbrew.

sh -c "$(curl -fsSL https://raw.githubusercontent.com/Linuxbrew/install/master/install.sh)"

test -d ~/.linuxbrew && PATH="$HOME/.linuxbrew/bin:$HOME/.linuxbrew/sbin:$PATH"
test -d /home/linuxbrew/.linuxbrew && PATH="/home/linuxbrew/.linuxbrew/bin:/home/linuxbrew/.linuxbrew/sbin:$PATH"
test -r ~/.bash_profile && echo "export PATH='$(brew --prefix)/bin:$(brew --prefix)/sbin'":'"$PATH"' >>~/.bash_profile
echo "export PATH='$(brew --prefix)/bin:$(brew --prefix)/sbin'":'"$PATH"' >>~/.profile

3. Install Julia generic binary:

brew install chkwon/linuxbinary/julia

4. Check if installed correctly:

$ which julia
/home/linuxbrew/.linuxbrew/bin/julia

$ julia -v
julia version 0.6.2

(Alternative) Install Julia via a simple script

This script will install Julia in /opt/julia and make a symbolic link as /usr/bin/julia

sh -c "$(curl -fsSL https://raw.githubusercontent.com/chkwon/homebrew-linuxbinary/master/julia_install.sh)"