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Permission Denied while Copying SSH Key for New User

System Administration SSH Keys

When setting up a new host, you will come across the need to copy SSH keys to it. This is easy t...

Updated 1 day ago by glwhite

How to Get Host SSH Key Fingerprints

System Administration SSH Keys

Here’s a short command line statement that will fetch the host ssh key fingerpring without authen...

Updated 1 day ago by glwhite

SSH Key Naming Convention

System Administration SSH Keys

This page describes a good naming convention for SSH keys, that makes them easier to track, rotat...

Updated 1 day ago by glwhite

Creating SSH Keys in Windows

System Administration SSH Keys

General Notes SSH keys can be easily generated in Windows, using PuttyGen. See this article for...

Updated 1 day ago by glwhite

Creating SSH Keys in Linux

System Administration

Creating an SSH key is straightforward on a linux client, using this command: ssh-keygen By def...

Updated 1 day ago by glwhite

Docker Commands

System Administration

Here’s a list of commands to remember for docker administration. List Containers To list all do...

Updated 2 days ago by glwhite

Postgres Commands

PostgreSQL

Access Postgres as SuperUser Use this terminal command to access the local PostgreSQL instance a...

Updated 4 days ago by glwhite

HowTo: Install PostGreSQL

PostgreSQL

Adapted steps from here: https://www.c-sharpcorner.com/article/crud-operations-in-postgresql-wit...

Updated 4 days ago by glwhite

Postgres: Troubleshooting Remote Access

PostgreSQL

Here's steps to work through, to ensure remote access to a PostgreSQL instance. Check PostgreSQL...

Updated 4 days ago by glwhite

Updating Controls from Non-GUI Thread

.NET

Here are a couple methods for how to update form controls from a non-GUI thread. Explicit Setter...

Updated 6 days ago by glwhite

.NET Process Boilerplate

.NET

Exploring standardized boilerplate for a variety of process types. Here's a known list of proces...

Updated 2 weeks ago by glwhite

Cancellation Token as Method Parameter

.NET

When writing a method that accepts a cancellation token, the method will need to deal with a pass...

Updated 3 weeks ago by glwhite

UFW and Docker

System Administration

When running containers in Docker, you will come across the need for a container to gain access t...

Updated 3 weeks ago by glwhite

Ubuntu Service Creation (Systemd)

System Administration

Below are instructions on how to setup a binary as a linux service. For additional systemd comma...

Updated 3 weeks ago by glwhite

SystemCtl Usage

System Administration

Below is a list of commonly used systemd commands. If you are needing to configure a binary as a...

Updated 3 weeks ago by glwhite

XLights64 Notes

xLights

Projects are saved here: \\192.168.1.211\Projects\Active\Christmas Lights Running: XLights64, v2...

Updated 1 month ago by glwhite

HowTo Install Windows 11 with Local Account

HowTo

https://www.tomshardware.com/how-to/install-windows-11-without-microsoft-account  

Updated 1 month ago by glwhite

Ubuntu: Setup SSH Server

System Administration

Here’s a short list of steps for setting up an SSH server in Ubuntu. Install SSH Server Install...

Updated 1 month ago by glwhite

HowTo Run DotNet Core App as Standalone

.NET

How to startup a net core application and specify the listening IP address and port: exename.exe...

Updated 1 month ago by glwhite

Ubuntu: How to Kill DotNet Runtime

.NET

Sometimes, a a dotnet runtime closes without releasing a listening port. This will prevent it fr...

Updated 1 month ago by glwhite