HASH32 Engineering

  • February 07, 2019

    Tmux Cheatsheet

    Tmux allows you to run multiple terminal sessions in a single terminal window or a remote terminal, and allows you to split panes, switch windows and much more.

  • January 31, 2019

    SSH Tunnels - How to, with examples

    SSH is secure shell, but its name is very misleading. In this post, lets see how it can be used for port forwarding between servers.

  • November 28, 2018

    Rails as a Rack application

    Want to run a minimal Rails app as a Rack application? Its definitely possible.

  • November 26, 2018

    Ruby one-liner server

    To quickly serve static files in a local development machine, we have used the handy python one-liner to run SimpleHTTPServer. There is a ruby equivalent baked into the ruby standard library.

  • November 22, 2018

    Application Heartbeat

    Many a times developers use simple monitoring solutions like Uptime Robot or Pingdom to ping servers to check if they are working fine. But when supplying urls to monitoring services, we need to make sure that they are indeed the right url to for the job.