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Here’s a list of steps to connect with an SSH server from a Windows PC using SSH key authentication. Open the Putty application, Putty.exe. From the GUI, set the hostname and port of the SSH service, and come up with a memorable name for the session, and sav...

Once you have confirmed that you have SSH key access to a Linux host (using SSH without a password), it is safe to disable password-based authentication. WARNING: This step will lock down password-based logins, so ensuring that you will still be able to get a...

Here are steps to setup the SSH server on an Ubuntu host. Here's a good reference article for how to do what we're doing here: How to Enable SSH on Ubuntu 20.04 Here are the commands to execute: sudo apt update Install the SSH server with this: sudo apt i...

Here's a quick and dirty way to upload SSH keys to a remote user account, using the CAT command. This can be done, if your local host doesn't have the ssh-copy-id utility. If you do not have ssh-copy-id available, but you have password-based SSH access to an...

See this article for an update based on obsolete SHA-1 RSA key usage: Ubuntu 22.04 SSH the RSA key isn't working since upgrading from 20.04 NOTE: We currently have two tutorials for this, that need to be consolidated into one. So, maybe this alternate tutoria...

Reference: https://ubuntu.com/server/docs/install-a-root-ca-certificate-in-the-trust-store Install the CA certificate package: sudo apt-get install -y ca-certificates Now, you can install any local intranet root CA, with this: NOTE: We are copying in the ....

This how to consolidates several aspects of setting up SSH key access to a Linux server. NOTE: We currently have two tutorials for this, that need to be consolidated into one. So, maybe this alternate tutorial fills your use-case: Ubuntu SSH Key Access NOTE:...

Here are some things to check on when the disk on a docker host gets full. sudo docker system prune -a -f This will cleanup other resource types: docker system prune -a This command will remove older logs from the container logs folder: sudo find /project...

If you need to add services or packages to a VM that has no internet access to pull down packages, here's an offline method. NOTE: These steps were performed and vetted when updating a template that was already deployed inside an isolated network (without int...

Purpose These instructions are for standing up a Debian 13.4 VM to be used as a template in an isolated manufacturing network. It will be prepopulated with packages we anticipate needing: NGINX SubVersion net-tools Docker nano python sqlite NOTE:...

NOTE: This works on Debian 13.4. Here are notes and steps to assign a static IP address for a Debian host. NOTE: If you are doing this for an Ubuntu host, see this page: Ubuntu: Setup Static IP Address Net Tools (ipconfig) Install net tools, so we can use ...

Here are the minimal steps to setup a clean Ubuntu VM. Note: These instructions are tested on on Ubuntu v22 through v24.They may require updates for other versions. Spawn VM Clone The first step is to spawn a clone of the template VM. Be sure to do the fol...

When remotely debugging linux docker containers, the account that your remote debugging session uses to SSH into the Linux host must have RW access to the docker.sock process. NOTE: To setup remote debugging, see this page: Visual Studio Remote Debugging If ...