+ - echo 0 | sudo tee /proc/sys/net/ipv6/conf/lo/disable_ipv6
+ - echo 'deb http://llvm.org/apt/trusty/ llvm-toolchain-trusty-3.7 main' | sudo tee -a /etc/apt/sources.list
+ - echo 'deb-src http://llvm.org/apt/trusty/ llvm-toolchain-trusty-3.7 main' | sudo tee -a /etc/apt/sources.list
+ - sudo apt-get update
+ - sudo apt-get --force-yes install curl make g++ python2.7 git zlib1g-dev libedit-dev llvm-3.7-tools
+