Saturday, April 9, 2022

Ubuntu/Linux/Hyper-V: Creating an Ubuntu 20.04 VM can be accessed from Hyper-V's Host Computer

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I was assigned a project where a shell script had to be run remotely on an Ubunto 20.04 Virtual Machine (VM). The remote script failed on an...
Saturday, April 2, 2022

Ubuntu/Linux: Configuring a host to support ssh Connections (Installing OpenSSH Server)

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By default, an Ubuntu 20.04 instance does not contain an SSH server and hence there is no ssh access to the machine. To remedy this, install...

Ubuntu/Linux: How to tell if a Port is Open on a Remote Host

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While trying to get ssh working to a remote host, I encountered the "Connection refused" error message on Ubuntu.  The first step ...

Ubuntu/Linux: Retrieving a Computer's IP Address using ifconfig

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Consider the case where a developer wants to ssh from a host computer to a Ubuntu client running in Hyper-V. The most fundamental way to acc...

Ubuntu/Linux: Disable sudo Password Prompt

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When running scripts as sudo, it is convenient not to be prompted for a user's password. Password prompts defeat automation so this post...

Ubuntu/Linux: Adding a user to the sudo group

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Members of the sudo group can execute any command as root user using the sudo command: sudo date The command above invokes the date command ...
Thursday, March 31, 2022

Google Sheets: Pasting Delimited Data

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The National Emergency Medicine Services Information System (NEMSIS) is a data standard for patient care information corresponding to a 911 ...