It might happen that Home Assistant floods your network with DNS lookups, more specifically, PTR records. A PTR record is used to find the hostname associated with an IP address. This is the opposite of what we see in the Read more…
Installing OpenVAS in Kali Linux can be a bit confusing. Below I outlined the steps. OpenVAS is sometimes also referred to as GVM, or “Greenbone Vulnerability Management”, that is why sometimes you need to use the gvm command, and sometimes Read more…
I had a need to display a list of items in Home Assistant. I have a REST sensor that calls an endpoint that returns a JSON list. I wanted to display that list in a card in Home Assistant. Take Read more…
This post follows from my previous post about RAGs (steps 1, 2, and 3) which can be found here: https://techstuff.leighonline.net/2024/04/30/creating-a-vector-database-for-rag-using-chroma-db-langchain-gpt4all-and-python/ In this post we will spin up the LMStudio server and use Langchain to chat to a Lambda3 model. We Read more…
In its simplest form, a RAG consists of these steps. We will focus on step 1, 2, and 3 in this post: In our follow up post we will perform step 4, 5, and 6: https://techstuff.leighonline.net/2024/05/05/local-chatgpt-using-lmstudio-lanchain-and-our-rag-data/ Lets start at the Read more…
You can run Ansible in a VM, a laptop with Linux installed, an LXC container, etc. In this tutorial we will cover the following: Authentication For every host I want Ansible to be able to connect to, I created a Read more…
There doesn’t seem to be a single, simple, straight forward tutorial online that shows how to get Lancache working with Pihole. These are the URLs that I referenced to get this working, so just listing them here in case you Read more…
In later versions of Proxmox 8 you can manage your repositories from the GUI. If you’re getting the 401 Unauthorized, IP Not Allowed error, check the below. Disable the Enterprise repositories and add the non-production Proxmox repository (read the warning) Read more…
In order to create a Proxmox LXD Container, we first need to download the templates. If you want to check out a full list of images go to https://linuxcontainers.org/ Take note that Proxmox doesn’t show all of these images. These Read more…
If you converted a Virtual Machine to a template in Proxmox, but then you realize you should not have done it, you can convert it back to a VM. The best option is to always rather create a full clone Read more…
Flash ESP12f First we need to get our ESP12f into flashing mode. You will need a 10k resistor. You will also need an FTDI adapter. I used this tutorial: https://www.youtube.com/watch?v=wyolY1OwSxc You also need an adapter plate if you decide to Read more…
My Lenovo Legion Y540 BIOS corrupted due to the “Use iGPU” setting in the Lenovo Vantage software. Here are the steps I followed to reflash my BIOS. Disclaimer You are on your own when trying this and nobody, except yourself, Read more…
I had a scenario where I had to use a cloudflare worker to redirect one page to another, but, I also had to do the following: Cloudflare Worker Code Apart from the above, the following will be useful as well: Read more…
In order to change the wireless frequency channel on Mikrotik, you must use the “center” channel: https://www.electronics-notes.com/articles/connectivity/wifi-ieee-802-11/channels-frequencies-bands-bandwidth.php Lets take channel 5’s center frequency which is 2432: On your Mikrotik you can enter just 2432 and it will not throw an Read more…
Here is what my setup looks like with a bridge I dont want to use a bridge anymore But now I want a more advanced setup, so in other words I don’t want a bridge. I want to create a Read more…
When you have a python virtual environment you would activate the virtual environment’s python as such: But when you try to run this command in cron it will not work because by default crontab uses /bin/sh which does not support Read more…
Scenario Solution Cloudflare has an extensive list of APIs available to do just about anything. We are interested in this API: https://developers.cloudflare.com/api/operations/zero-trust-gateway-locations-update-zero-trust-gateway-location Step 1: Create an API Key and grab your Account ID You can click on any of your Read more…
I will be running pi-hole on Ubuntun 22.04. The problem is, port 53 is already in use by my host, so lets sort this out first. Check if port 53 is in use You can check out this article to Read more…
I am running an Axpert inverter with Solar Assistant on a Raspberry Pi. Solar Assistant collects data and makes an MQTT broker available. My Home Assistant (core, running in docker) has an MQTT broker defined that connects to eclipse-mosquitto running Read more…
This is a continuation from this article: https://techstuff.leighonline.net/2023/03/19/esphome-on-home-assistant-running-in-docker/ Bascially, I have an ESP32Cam that I want to add to Home Assistant. My Home Assistant runs in Docker (So no supervisor. It is also called Home Assistant Core). Steps In ESPHome, Read more…
I recently added Google ads (Adsense) to this blog to help generate some passive income. I am hosting by blog on WordPress in a container and had to ad the “ads.txt” file and its contents to my site’s root folder. Read more…
All thanks to this developer: https://github.com/jlesage/docker-firefox Why use browser isolation? Running an isolated (also called sanbox) browser in a container is a good idea to compartmentalize your browsing or to investigate a potentially suspicious URL. There are commercial tools available Read more…
In this post we will look at how we can send notifications from Uptime Kuma to our Home Assistant. Home Assistant is behind Cloudflare Zero Trust. I am using Uptime Kuma to monitor a bunch of my websites. I want Read more…
In this post we will diarize using pyannote, segment using pydub, and transcribe using whisper. Installing pyannote on Windows While on https://huggingface.co/pyannote scroll down and click on the diariazation model for example code. In the TLDR section, take note of Read more…
Caveats First NGINX Proxy Manager (NPM) is running in its own docker-compose file (or “stack”) in portainer. I could not get it to use the hosts’s local IP to connect to containers running in different stacks. I therefore made these Read more…
This is a quick writeup on how to dockerize a nodejs application, using Github Actions to automatically build when you push to the main branch, and publish your image to Github Container Registry (ghcr) Create the dockerfile Inside your nodejs Read more…
Here is the full article: https://code.visualstudio.com/docs/sourcecontrol/github The main takeaways are:
This is an extention to my “Home Assistant on Docker” post which can be found here: https://techstuff.leighonline.net/2023/03/10/home-assistant-in-docker-home-assistant-core/ Adding ESPHome to Home Assistant that is running in docker is quite straight forward. Just add the following to the existing docker compose: The Read more…
This is an extension to my “Home Assistant on Docker” post which can be found here: https://techstuff.leighonline.net/2023/03/10/home-assistant-in-docker-home-assistant-core/ The issue Because I access Home Assistant over SSL, the IFrames must also be loaded over SSL. Keep in mind that because we Read more…
In this tutorial we will look at setting up the Arduino IDE and writing a basic program to flash an LED using the delay function and not using the delay function. Delay is not the best as the entire ESP32 Read more…
Backup the database We will connect to the MySQL container for this. Create a file that will store our backup command: touch export_sql_db.shPut this in the file: (It is recommended to create a user specifically for backing up as that Read more…
This assumes you already have a Portainer server set up and running. If not, you can set one up as such: You can log into this portainer instance using https://<ip of server>:9443 Now lets say you have a remote docker Read more…
When running Home Assistant in docker, you do not get the supervisor capability which means you must install everything yourself. It is not a big deal because you just install it with docker and add the relevant integration in Home Read more…
The easiest and most reliable is to just use Python (you can use Windows or Linux, does not matter). I used Windows. Now that you have all the prerequisites done, plug in your dongle. No need to open it up Read more…
You can use the Solarman API to create your own custom projects. First register on: https://pro.solarmanpv.com/login Contact Solarman Contact Solarman by sending them an email: [email protected] and include the following information: They will send you the API spec, a Postman Read more…
Intro Alexxit Home Assistant add-on makes it possible to get Sonoff stats without flashing Tasmota. This is done by using a second Ewelink account. We will use the Sonoff PowR2 in this tutorial but it will be the same for Read more…
I am taking bits and pieces from everywhere and making one article with all the information in one place. Please support the sites and projects I am referencing. The CC2531 is getting old now, but if you still have some Read more…
Added an iptables rule but getting “connection reset by peer” or you still cannot connect, then read on. Run this command: sudo iptables -L –line-numbers Always backup your existing rules first: sudo iptables-save > savedrules.txt This is how you can Read more…
Refer two posts down on how to move your /tmp folder to memory (tempfs). Now symlink your Google Chrome (or Firefox) cache to /tmp (which resides in memory). rm -rf ~/.cache/google-chrome ln -s /tmp ~/.cache/google-chrome
Remember to set the sticky bit as well as nodev, noexec and nosuid for /tmp. Here is a line in fstab and the meaning of these 3 taken from the mount man page: nodev Do not interpret character or block Read more…
For a while now I wanted to post this. I am running this on my PC at home because I don’t feel like doing it manually every day/week/month etc, and also because I don’t use it that often, but I Read more…
Here is an excellent resource. A bit long but really great! https://sites.google.com/site/easylinuxtipsproject/bugs#TOC-Hibernate-and-suspend-don-t-always-work-well:-they-make-some-computers-malfunction-or-even-enter-a-coma I recently bought myself an SSD hard drive for my old notebook. Well worth it! You need to make a few tweaks though to get ultimate performance and Read more…
Wait what? Is swappiness even an actual word? According to Google Chrome’s built in spell checker and most probably any dictionary it is not, but to any Linux user and expert out there, it most definitely is. So what is Read more…
type sudo blkid. You will get output like this: /dev/sda1: UUID=”9081b56d-8715-49f3-a35d-529a39d5780e” TYPE=”ext4″ PARTUUID=”c8168d71-01″ /dev/sda5: UUID=”fbd90bd5-6b1a-4088-8569-0afbf0faebab” TYPE=”swap” PARTUUID=”c8168d71-05″ /dev/sdb1: UUID=”79a6887b-0168-464e-9507-84cc1233fcb6″ TYPE=”ext4″ PARTUUID=”c3072dd0-01″ /dev/sdc1: UUID=”4E65750852A3B04A” TYPE=”ntfs” PARTUUID=”000dfe15-01″ Way at the end is the NTFS drive. Now create an /etc/fstab entry like this: Read more…
Because /media is owned by root, plex will have issues. Add the plex user to your group: sudo addgroup plex YOURGROUP Then, open the “disks” app in ubuntu, choose your flash drive, click on the gear icon, click on Edit Read more…
Plex is cool, but if your internet goes down, then your clients can’t always connect. So, back the the basics for me with ps3MediaServer as a backup: sudo apt-get install mencoder tsmuxer avisynth ffmpeg mplayer sudo apt-get install default-jre Download Read more…
1.) Get your current public IP and write it to a file: dig +short myip.opendns.com @resolver1.opendns.com >> myip.txt (got this off the internet, thanks to the guy that posted this!) 2.) Read the file contents and email it: Basically, follow Read more…
OMS, the apache guys just can’t stick to a standard. But anyhow, here are some configs to do: Issue 1 (Where is my config.php) Most likely it is in /var/www/owncloud/config/config.php Issue 2 (when starting Apache) AH00558: apache2: Could not reliably Read more…
service cron status — check if it is running ps -ef |grep cron –another way to check if cron is running You can use the below to generate output files every XX minutes with a list of APs and stations Read more…
nano /etc/apt/sources.list deb http://http.kali.org/kali kali-rolling main contrib non-free # For source package access, uncomment the following line deb-src http://http.kali.org/kali kali-rolling main contrib non-free Then do: sudo apt-get update && sudo apt-get upgrade -y sudo apt-get install -y virtualbox-guest-x11 Then do: Read more…
I recently had to get Kali up and running on Hyper V. Here are some tips and tricks: After installation, use these sources (they might change after some time so always check the Kali website for the latest): nano /etc/apt/sources.list Read more…
Thanks to this guy for this awesome post: https://www.reddit.com/r/pihole/comments/5g249i/tip_redirect_all_dns_to_pihole_with_mikrotik/ Basically, you need to do this: Change 192.168.88.110 to your pi hole IP Change 192.168.88.0/24 to your subnet #Make sure all DNS goes to pihole IP address chain=dstnat action=dst-nat to-addresses=192.168.88.110 protocol=udp Read more…
Always wanted to set up a squid and squidguard transparent proxy on your Mikrotik router, and a raspberry pi? Then look no further! To get squid up and running on your PI, check out this guy on YouTube (3 parts). Read more…
I sometimes get this in docker or a VM. It is related to checksum offloading onto the NIC. Diable checksum offloading: sudo apt install ethtool sudo ethtool –offload eth0 rx off tx off
I am running Ubuntu 18.04 in HyperV and couldn’t push to Github. Pull was fine. This was LEGIT the fix. A driver issue…. https://stackoverflow.com/questions/56946336/ubuntu-wsl2-git-getting-the-remote-end-hung-up-unexpectedly-on-large-repos/56946337#56946337 Go here to get the latest Intel WiFi driver: https://downloadcenter.intel.com/download/28876/Windows-10-Wi-Fi-Drivers-for-Intel-Wireless-Adapters?v=t