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A place for all things of interest to the Bohica Community.

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Setup OpenVPN on FreeBSD 13.1

FreeBSD Articles / January 2, 2023

This acticle will go through the install and configuration to use FreeBSD as your OpenVPN server and how to create the client config files.

Setup OpenVPN on FreeBSD 13.1 Read More »

Disabling TLS 1.0 and 1.1 in Postfix

FreeBSD Articles, General Unix Articles, Operating Systems / December 23, 2022

Postfix is one of the most common email servers in the world due to it’s performance, easy setup and configuration. Postfix supports TLS 1.2 as of version 2.6 and TLS 1.3 in version 3.4 and later. This article will show […]

Disabling TLS 1.0 and 1.1 in Postfix Read More »

Disabling TLS 1.0 and 1.1 in Dovecot

FreeBSD Articles, General Unix Articles, Operating Systems / December 23, 2022

If you have users accessing mail on your system, then you probably have Dovecot running. It is one of the best POP and IMAP servers (IMHO). It is easy to configure and get setup but also have some very advanced […]

Disabling TLS 1.0 and 1.1 in Dovecot Read More »

Installing OctoDash

3D Printing Projects, Raspberry Pi Projects / August 28, 2022

OctoDash is a very clean and simple interface for OctoPrint. If you run OctoPrint on a Raspberry Pi with a small LCD or TFT screen attached then you really should give OctoDash a try. It is designed from the start […]

Installing OctoDash Read More »

Updating OctoDash

3D Printing Projects, Raspberry Pi Projects / August 28, 2022

There are a number of ways to easily update OctoDash. You can update from a script, manually, or (as over Version 2.x) you can update right from the OctoDash application.

Updating OctoDash Read More »

Checking the Raspberry Pi CPU or GPU Temperature

General Unix Articles, Operating Systems, Raspberry Pi Projects / August 27, 2022

The Raspberry Pi has a few temperature sensors built in. One of the most important is in the GPU. This is because the Raspberry Pi will start throttling back it’s processing power if the temperature start getting close to 80deg […]

Checking the Raspberry Pi CPU or GPU Temperature Read More »

Clear Systemd Journal Logs

General Unix Articles, Operating Systems, Raspberry Pi Projects / August 27, 2022

Is your system running out of disk space and you don’t know where it all went. It might be systemd. Systemd creates Journal Logs that can add up quickly. Here is the information to trim them down.

Clear Systemd Journal Logs Read More »

Easily add Debug Messages in Arduino Code

Arduino Projects / August 24, 2022

I use the Arduino IDE for almost all of my microcontroller coding. It is a simple editor without a great debugger built in. This means that for most of us, we start putting in a lot of print statements just […]

Easily add Debug Messages in Arduino Code Read More »

FreeBSD Upgrades with ZFS boot environments

FreeBSD Articles, General Unix Articles / May 26, 2022

FreeBSD has always been my OS of choice but in the past I have always viewed upgrades as one point of failure. What if the upgrade doesn’t go as expected, How do I role it back? If you have FreeBSD […]

FreeBSD Upgrades with ZFS boot environments Read More »

Raspberry Pi: Waveshare 4inch LCD Display Setup

Raspberry Pi Projects / May 26, 2022

I love working with different Raspberry Pi screens. This time I purchased a 4 inch LCD display off of amazon for one of my Raspberry Pi projects. The Waveshare 4 inch LCD Touch Screen has a resolution of 480×320 and […]

Raspberry Pi: Waveshare 4inch LCD Display Setup Read More »

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Recent Posts

  • Setup OpenVPN on FreeBSD 13.1January 2, 2023
  • Disabling TLS 1.0 and 1.1 in PostfixDecember 23, 2022
  • Disabling TLS 1.0 and 1.1 in DovecotDecember 23, 2022
  • Installing OctoDashAugust 28, 2022
  • Updating OctoDashAugust 28, 2022

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