Sakura Cloud Shell Tools
https://secure.sakura.ad.jp/cloud-shell/cpanel/member
curl -sL https://raw.githubusercontent.com/AtsushiSakai/SakuraCloudShellTools/master/ipython.sh | sh
curl -sL https://raw.githubusercontent.com/AtsushiSakai/SakuraCloudShellTools/master/julia.sh | sh