Tutorials
Step-by-step technical guides on Docker, Linux, Python, Go, and more.
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Bluetooth headset playing low quality on ubuntu 18
If you are using ubuntu and you bluetooth speaks is playing with low quality, check here for the solution. You need to edit the file /etc/bluetooth/audio.conf and change some configurations. Read here for more details.
Fix Google Repository Origin Changed Error
When you use apt or apt-get and you are using official chrome repos, you could see this message: Repository changed its 'Origin' value from 'Google, Inc.' to 'Google LLC'. SOLUTION -> sudo apt update and answer yes
How to fix bluetooth speakers on ubuntu
In this tutorial, we try many ways to fix problems with bluetooth speaks on Ubuntu Linux. Most of the issues are solved on the file /etc/bluetooth/main.conf changing #AutoEnable=false to AutoEnable=true. Check here for more alternatives.
Setup Bluetooth speakers with Ubuntu 18.04
In this tutorial, we are going to configure bluetooth speakers on Ubuntu 18.04. The steps should be similar in previous version of ubuntu like 16.04.
Elastic search with python
In this tutorial, we are going to use python and elastic search. We are going to cover from scratch how to use elastic search using python. The tutorial could be read by python and elastic search beginners.
Bitcoin electrum wallet install from source code
In this tutorial, we are going to install all bitcoin electrum dependencies from source code and make it work with PyQT5. we provide a step by step tutorial to install bitcoin electrum.
Install dropbox from source in debian stretch
In this brief tutorial we are going to explain how to build dropbox from the source code in Debian Stretch
How to create ldap users using a python script
In this tutorial, we are going to create a script to create many users on ldap. The input of the script will be a csv file with a list of users. You can later modify the script for your needs, like adding click library to create individual users.
How to configure L2TP VPN on the UniFi Security Gateway?
In this tutorial, we are going to configure the UniFi USG VPN (L2TP) for remote access using a VPN. The whole tutorial is 3 steps and a fourth optional for VPN client configuration. The first step is enabling the radius server, the second the user creation and the third one is where you create the VPN network using L2TP type. No advance knowledge is required to follow this steps.
Understanding the go scheduler
The scheduler tries to use a small number of kernel threads to support high concurrency. It will leverage parallelism to scale to many cores. In this tutorial, we explain with some details how the go scheduler works to distribute goroutines over kernel threads.