ushell-module-ssh Unix like shell module for ssh. installation npm i -S @jswork/ushell-module-ssh resources http://www.howtogeek.com/168119/fixing-warning-unprotected-private-key-file-on-linux/ https://my.oschina.net/grnick/blog/201155 http://rabexc.org/posts/pitfalls-of-ssh-agents http://blog.joncairns.com/2013/12/understanding-ssh-agent-and-ssh-add/