Sunday, January 17, 2021


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 | sh Mac Use this link to download the 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...

How to Mount an External USB Drive in Debian 10 Linux

If the option to automatically mount USB devices has been disabled, or if the device has been unmounted, you can manually mount it by...

NEWS: WhatsApp Vulnerability Used to Secretly Infect Phones With Spyware from a single missed call

“A buffer overflow vulnerability in WhatsApp VoIP stack allowed remote code execution via specially crafted series of SRTCP packets sent to a target phone...

CentOS 7 Installation on Microsoft Hyper-V 2019 Server

Good reasons to 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...

Useful Raspberry Pi CLI Commands

Sometimes it’s hard to keep track of all the Raspberry Pi commands you use, so I created a list of some of the most...