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FreeBSD on Hetzner Cloud VPS

This guide explains how to install the FreeBSD on Hetzner Cloud VPS. This might also work for other VPS providers with the proper rescue system in place.

Table of contents:

• 1. Rescue mode
• 2. Download and deploy FreeBSD
• 3. Post-installation

1. Rescue mode

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Build a Hyper-converged Proxmox HA Cluster with Ceph

Part of collection: Hyper-converged Homelab with Proxmox

This is part 1 focussing on the networking part of building a Proxmox High Available cluster with Ceph.

Part 2 focusses on building the Proxmox Cluster and setting up Ceph itself, and part 3 focussing on Managing and Troubleshooting Proxmox and Ceph.

Why

For some time, I was looking for options to build a Hyper-converged (HCI) Homelab, considering options like TrueNAS Scale, SUSE Harvester) among other option.

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patch-edid.rb

A script to fix EDID problems on external monitors in macOS.

Instructions

1. Connect only the problem display.

2. Create this directory structure (if it doesn't already exist):

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#!/bin/bash

MouseIdentifierString="Mouse"

writeOpts() {
    sudo cat <<'EOF' | sudo tee -a /var/lib/bluetooth/$1/$2/info
[ConnectionParameters]
MinInterval=6
MaxInterval=7
Latency=0

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spellChecking = true
spellingLanguage = 'en'
softTabs = true
softWrap = false
invisiblesMap = "~ \t┊"

TM_STRIP_WHITESPACE_ON_SAVE = true
TM_GIT = "/usr/local/bin/git"
TM_RUBY = "/usr/local/var/rbenv/shims/ruby"

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Fix 'scoped' error for Rails 4

error: undefined method 'scoped' solution:

# config/initializers/scoped.rb
class ActiveRecord::Base
  # do things the modern way and silence Rails 4 deprecation warnings
 def self.scoped(options=nil)

options ? where(nil).apply_finder_options(options, true) : where(nil)

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Add to /boot/loader.conf:

ng_ubt_load="YES"
Add to /etc/rc.conf:

hcsecd_enable="YES"
sdpd_enable="YES"
bthidd_enable="YES"
Reboot, or run:

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Rails 7 new features. Before and After

• Add ComparisonValidator
• PostgreSQL generated columns
• PostgreSQL custom enum types
• Add tracking of belongs_to association
• association_previously_changed? method
• Add invert_where method
• Add associated method
• Add missing method
• Active Record Encryption

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How to generate and apply patches with git?

It sometimes happen you need change code on a machine from which you cannot push to the repo. You’re ready to copy/paste what diff outputs to your local working copy.

You think there must be a better way to proceed and you’re right. It’s a simple 2 steps process:

1. Generate the patch:

git diff > some-changes.patch

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Howto Install clamav on OSX with brew

$ brew install clamav
$ cd /usr/local/etc/clamav
$ cp freshclam.conf.sample freshclam.conf

Open freshclam.conf and comment the "Example" (in new version it may be "FooClam") line: