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DokuWiki on a USB Stick in 2021 (2022 Updated)

If you want to run DokuWiki from a portable device like an USB stick on any Windows computer without installing anything on the computer...

How to upgrade from Debian 10 to Debian 11 Bullseye

In this article, I will detail how to upgrade from the last Debian 10 release to Bullseye 11. The process itself is not complicated,...

How to backup and restore MySQL and MariaDB databases

MySQL and MariaDB are the most popular database systems that use the SQL language. It's important to take a quick backup before making some...

Docker Cheat Sheet

I love Docker, containers, orchestration and distributed systems and here is my cheat sheet: Installation Linux curl -sSL https://get.docker.com/ | sh Mac Use this link to download the dmg. https://download.docker.com/mac/stable/Docker.dmg Windows Use...

How to Install Sudo and Create a Debian 10 Sudo User

Depending on how you installed Debian 10 Buster, sudo may not have been installed by default. This is normal, actually. So first you have...

Resolving No Qemu Guest Agent error in Proxmox VE

The qemu-guest-agent is a helper daemon, which is installed in the guest. It is used to exchange information between the host and guest, and...

CentOS 7 Installation on Microsoft Hyper-V 2019 Server

Why you should choose CentOS for your Hyper-V based Linux server: CentOS is based on RHEL. This is not something that someone is assembling...

Temperature monitoring with Zabbix and Raspberry Pi via SNMP using DS18B20 sensors

To monitor the temperature I have made a system based on a Raspberry Pi combined with the classic Maxim DS18B20 temperature sensors. My Raspberry...

Raspberry Pi ADS-B Receiver Project (dump1090-mutability with FlightRadar24, FlightAware, Virtual Radar, Planefinder and ADS-B Exchange)

The ADS-B Receiver Project is a set of bash scripts and files which can be used to setup an ADS-B receiver on a Debian...

Sending emails from CentOS to external email address with authorization on GMail or another SMTP server

Setup postfix mail server to use external SMTP with authorization In order to be aware of everything what happens on the server (in addition to...

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