H. Valters
Ethical Penetration tester / DevSecOps / IT Solution Developer / System administrator
Category Archives: Linux
You need to start learning MySQL right now!
If you are a developer or a business owner, then you already know that all modern websites, CMS, systems, etc use databases. The most popular database engine available is MySQL. Sure there are also other database Engines like Microsoft SQL, MongoDB, PostgreSQL, Oracle SQL, etc. Without the database, it would be hard to manage a…
How to install Kali Linux in 2023/2024
In this blog post, I will guide you through Kali Linux installation in 2023/2024. It will not be hard. For a YouTube video, that also contains my views on the CyberSecurity and penetration testing industry how I started it all, and how to better start in that industry, you can view it by clicking here…
Receive notifications from your Linux/Windows to your Smartphone with NTFY
Each day I’m managing Linux servers and at the same time I’m also doing a lot of experiments and cyber security scans, that take a long time to finish. But recently I have found a solution, that will let me know once the Long-Running Cyber Security Scan, Once the Linux server has finished the upgrade…
How to send SMS using 3G/4G Dongle and Docker
Imagine that you are a System Administrator or your business is communicating with clients daily, for example sending information about unpaid invoices or reminders that there is a new invoice. Or you want to inform clients by promoting new products or secure password resets 2FA. You can do that with a TEXT Message ( Known…
How to set up a GitLab Runner in Docker
This blog post is about how to set up your own GitLab Runner in a Docker system. If you don’t have your own GitLab yet, then I have already created a blog post, on how to set up your own GitLab in a Docker container the post you can find here Once we have a…
Digital workplace and at the same time your own test lab with Kasm solution
In 2019 COVID-19 shook the world and many companies to continue working started to work remotely. That was a challenging time as I remember that there was a problem to purchase enough laptops large ques to order them and a long wait time, therefore you needed a good communication with the suppliers to get around…
Docker MySQL container Setup and basic configuration
As we all know, there are several database engines, and some software, website CMS or systems require a specific database engine as its structure is based on that engine. Each database engine has different pluses and minuses, for example, Google to make their search faster uses MongoDB ( or as it is called NoSQL )….
Plex media server on Ubuntu 20.04
In the modern 21-century, we have several online media available for example Globally known Netflix.com and Viaplay.com, but let’s say you have made some videos, that you would like to share with your family and friends, or by visiting some people in other countries you want to share some moments or watch some video format…
Zabbix Monitoring system on Docker
If you have several servers that you manage or several websites, you would need to know what is happening with your server resources, is server accessible, is overloaded, or if your website responding to the correct response code. With Zabbix, you can monitor many interesting things and get many metrics that I will be talking…
How to Enable SSH on Kali Linux
By default, Kali Linux doesn’t have SSH enabled since it is more used as a desktop version. But for example, if you have a static IP or VPN to your internal network and would like to access your Kali Linux on what you have needed documents, scripts, or installed services that are needed for Penetration…