byStarTW says to YSITDuser@ubuntu:~$ curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.30.1/install.sh | bash % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 7735 100 7735 0 0 41694 0 --:--:-- --:--:-- --:--:-- 41810 mkdir: cannot create directory ‘/home/user/.nvm’: Read-only file system => Downloading nvm as script to '/home/user/.nvm' Failed to download 'https://raw.githubusercontent.com/creationix/nvm/v0.30.1/nvm.sh' => Appending source string to /home/user/.bashrc bash: line 243: /home/user/.bashrc: Read-only file system => Close and reopen your terminal to start using nvm user@ubuntu:~$at Sat, Aug 12, 2017 4:35 PM