How to configure BIND (NAMED) DNS to forward queries to Quad9 via TLS

In this article we’ll see how to configure BIND DNS Server to forward queries to Quad9 (Threat Intelligence based public DNS Server) via TLS encryption to improve our privacy on the Internet and add an extra layer of protection for our local network.

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How to fix grub boot loader after a Windows update on dual boot systems

In this how-to we’ll see how to fix grub boot loader after a Windows update breaks it.

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How to check disks health using smart on Linux, Mac and BSD

In this article we have a look at how to check disks health status using SMART and smartctl on Linux OS (RHEL, CentOS, PacketLinux and Debian/Ubuntu/KALI based distros), macOS and BSD systems.

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How-To: Explore a Linux Process or Service

We keep going with the series of articles about exploring a Linux System with the next step that is Exploring a Process.

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How-To: Explore a Linux System

In this set of super-quick “how-tos” we’ll see how to explore a Linux System via CLI (command line). How to check release, architecture, platform, files, logs, processes, devices and other useful info to start troubleshooting or maintaining a Linux System.

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Configure and use your TPM module on Linux

In this article we’ll see how to configure and use a TPM module (Trusted Platform Module)  on CentOS 7 (RHEL 7, PacketLinux 2 and Scientific Linux and Fedora).

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How to read information of your BIOS and hardware from linux shell

In this article we’ll see how to read information about your computer BIOS and hardware from the Linux command line.

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How to reset MySQL root Password

Easy steps to reset (recovering) MySQL root password on RHEL/CentOS/Fedora/PacketLinux/Suse if you set it up and lost it 😉

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How to recover KVM Virtual Machine root password

This procedure shows how to recover root password on a KVM Virtual Machine running Linux OS and which uses LVM partitioning schema.

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