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: 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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Configure and use your TPM module on Linux

In this article we’ll see how to configure and use a TPM 1.2 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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C code snippet to measure function execution time for both Linux and Mac OS X

In this article we’ll see how to write a simple yet effective code in C language to measure the time required to process a function. This code has been written to be  compiled without changes on both Linux-GCC and Mac OS X GCC compiler.

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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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