Tutorials Index Page 8
How to use setup Epson L355 on Ubuntu 18.04
Steps to install Epson L355 on Ubuntu 18.04. You will need to download the official drivers from epson.net (deb file). Use dpkg to install epson-inkjet-printer-201207w_1.0.0-1lsb3.2_amd64.deb. Finally, use the wizard as always. Check here for full details and epson Ubuntu 18.04 drivers.
How to update the Go version
Steps to update go lang to the latest version. Remove your current go and then Go to the [downloads](https://golang.org/dl/) page and download the binary release. finally install it following the steps in this guide.
Using python SQLAlchemy with SQLlite3 tutorial
Learn here how to use SQLIte3 with SQLAlchemy step by step. First, we are going to define some models and then we will see how to connect and make some queries. We are going to learn about the Unit of Work pattern, which is a very important concept on sqlalchemy.
SQLAlchemy Bulk Insert 2026: 40x Faster with Core & ORM 2.0 Methods
Master SQLAlchemy 2.0 bulk insert for maximum performance. Compare Core insert (40x), ORM 2.0 session.execute (20x), and PostgreSQL COPY (240x) with real benchmarks.
Gitlab CI register runner on multiple proyects
With gitlab ci if you want to reuse the runner on multiple projects you will need to be master an both proyects. You will need then to Go to Settings>CI/CD>Runner Settings of Project A and finally Edit the desired runner properties. Uncheck the "Lock to current projects" box. Check here for full detailed steps.
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.