Going Deeper With Proxmox Cloud-Init – Dustin Rue

System & Network Admin
Home Lab Setup (Part 1: Proxmox & cloud-init)
Explaining my home lab setup
Bash Shell Convert Uppercase to Lowercase in Linux
Explains Linux and Unix bash/ksh shell scripting technique to convert uppercase to lowercase, including text files or variables.
Install NerdFont (or any fonts) using the command line in Debian (or other Linux).
I need to install the NerdFonts since I have been installing LazyVim recently. After doing some research, I found that the convenient way…
Linux Tee Command with Examples
The tee command reads from standard input and writes to both standard output and one or more files at the same time. Tee is most commonly used in combination with other commands through piping.
Guide to Generate Random Numbers in Linux | Baeldung on Linux
Learn how to generate random numbers in a Linux environment.
Verify HashiCorp binary downloads | HashiCorp Developer
Explore HashiCorp product documentation, tutorials, and examples.
Add second sub-key to unattended GPG key
I am writing a bash script which generates unattended GPG keys, I have looked through Unattended Usage of GPG and was surprised to find that 'Currently only one subkey can be handled.'
I am unable...
Unattended GPG key generation (Using the GNU Privacy Guard)
Unattended GPG key generation (Using the GNU Privacy Guard)
Automating PGP Key Issuance and Distribution with GPG and 1Password
SKILL LEVEL: Advanced.
In this article, we will be implementing one approach to centralize PGP key issuing and distribution for an organization. We'll use an existing Linux instance's GnuPG tool to issue and manage keys. To distribute keys to users, we'll use the 1Password CLI. Let's dive in!
The Infrastructure
How to generate PGP keys
To generate PGP keys on a Linux distribution we require the latest version of GPG (GnuPG). This is a free implementation of the OpenPGP standard which enables local key generation, encryption, and signing operations.
Make error: missing separator
I am getting the following error running make:
Makefile:168: *** missing separator. Stop.
What is causing this?
Connecting a local Elixir/Erlang to a running application inside a Docker container
I've got an Elixir application running inside a Docker container (in my laptop). The Elixir application was executed with the following command:
iex \
--name test@1.2.3.4 \
--cookie secret \
...
How to connect two Elixir nodes via local network?
How can I connect two Erlang/Elixir-nodes of two different machines via network connection?
Apache Beam®
Apache Beam is an open source, unified model and set of language-specific SDKs for defining and executing data processing workflows, and also data ingestion and integration flows, supporting Enterprise Integration Patterns (EIPs) and Domain Specific Languages (DSLs). Dataflow pipelines simplify the mechanics of large-scale batch and streaming data processing and can run on a number of runtimes like Apache Flink, Apache Spark, and Google Cloud Dataflow (a cloud service). Beam also brings DSL in different languages, allowing users to easily implement their data integration processes.
Using Docker and Elixir
Learn how to build a simple cli todo tool using elixir
Linux System Performance Tuning: Optimizing CPU, Memory, and Disk | Linux Journal
Looking Glass - Home
Distributing SSH keys: using ssh-copy-id, manually, or automated
Learn how to get your SSH keys easier to another system using different available methods such as manually or a tool like ssh-copy-id
10 Linux commands for testing connectivity and transfer rates
Use these Linux commands to verify connection speeds, analyze delays, and test whether other systems are reachable.
Fixing Outlook's calendar export
I use a variety of calendars to organize my life, my family, and the many projects and businesses I'm involved with. Most of them use Google Workspace, but at work we use, for some unfathomable reason, Office 365.
I run my life by my calendars. There's no way I could
Posthaven is the safe place for all your posts forever
We'll never get acquired. We'll never shut down. You pay, we keep the lights on.
Wake, Boot, Repeat: Remote OS Selection With GRUB And ESP
What do you do when you need to choose an OS at boot but aren’t physically near your machine? [Dakhnod]’s inventive solution is a mix of GRUB, Wake-on-LAN (WOL), and a lightweight ESP82…
Turn Your Raspberry Pi into a Blazing Fast 5G Router with This Tiny 5G HAT – TheLinuxCode
Hey friend! Have you heard about these new 5G cellular networks promising lightning quick speeds? Well with this clever little Raspberry Pi add-on called the 5G HAT, you can unlock 5G and turn your Pi into a speedy modern router in no time. Intrigued? Read on! An Introduction to 5G You‘ve likely heard the term […]
Capabilities of Privileged Containers in Linux | Baeldung on Linux
Learn about the differences between normal and privileged containers in Linux.
Linux Capabilities: Setting and Modifying Permissions | Baeldung on Linux
Learn how to set and modify the capability permissions for Linux files and containers.
How to use the --privileged flag with container engines
Many users get confused about the --privileged flag. Users often equate this flag to unconfined or full root access to the host system.
Self-Hosted TRUST with your own Certificate Authority!
TRUST. It's what certificates are all about. How do we know that we can trust a server? We verify that the server has a certificate, and that the certificate...
Proxmox NETWORKING: VLANs, Bridges, and Bonds!
I'm sure many of you follow me because you use Proxmox. It's been a staple of my content for some time now. So, while working on the next episode of the Ceph...
DenOS HowTo create your own Debian Distribution in 10 Minutes with Debootstrap
Create your own Debian based Distribution from scratch in 10 Minutes with Debootstrap. Full Instructions at: https://github.com/dinooz/denos