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3 Posts
  • Published Question

    How can I forward the external packet to the different port of the other host with iptable?

    Hello. I am a total newbie to iptables and configuring a firewall host to protect my Redis storage. What I want is hiding the actual Redis storage behind the firewall which provides a proxy mapping between one of its ...
    1 By dongjinleekr Networking Ubuntu 16.04
  • Published Question

    Creating user and group with cloud-config script

    Hello. I am trying to create an ubuntu instance with a cloud-config script (, that creates both of user and group at once. Tha...
    1 By dongjinleekr
  • Published Tool


    DOCW is a cli-based tool for building JIT cluster on top of DigitalOcean™ cloud service.
    By dongjinleekr