Today I want to explain some basic concept of Linux Volume Manager and give a small example on how to enlarge an existing logical volume by adding a new physical disk.
Continue reading “Logical Volume Manager (LVM) in Linux”Manual Setting GPG as SSH agent
In this article i will explain how to manual setup your ssh client to use your gpg keys. The reason for doing that is that you may have your GPG keys stored on a yubikey and you want to use those keys as private ssh keys.. If you want to know more about yubikey configuration, you can read my previous article on that
Continue reading “Manual Setting GPG as SSH agent”Sony Bluetooth Headsets on Linux
If you are a Linux user and you have a Bluetooth headset, then you know how frustrating can be to set it up properly. In this article, i will explain what the problem is and how can be partially solved.
Continue reading “Sony Bluetooth Headsets on Linux”PC boot process – Kernel and Initramfs
Welcome to another article on the PC boot process! This article will complete the booting process from where we left it. In particular i am assuming that you are familiar with UEFI and GPT partition as explained in details in this post.
Continue reading “PC boot process – Kernel and Initramfs”Sniffing Android App Traffic
Have you ever installed an app on your phone and wondered what type of data is reporting? Or maybe you wanted to reverse engineer an APP or an API and wanted to discover the format of the data sent? Well then you need to read this post.
Continue reading “Sniffing Android App Traffic”Run a GUI program at Startup on LXDE
Have you ever needed to launch a GUI program that run at startup and goes directly into full screen mode? Probably not.. but if you do, just continue reading this post..
Continue reading “Run a GUI program at Startup on LXDE”Variables in Bash
Lets talk about variables in bash scripts. Nothing super technical, but this is just a small clarification article for a such useful features. But lets start from the beginning. .. What are bash variable and why a user or developer should care about it? Continue reading “Variables in Bash”
Setup data disks on Azure VM and Fix broken FSTAB
This is a quick guide on how to configure extra data drives to ubuntu/linux machine on azure, to get automatically mounted on startup using the shell. Also i will explain how to fix the boot process in case you mess up with the fstab file and the VM will not boot anymore. Continue reading “Setup data disks on Azure VM and Fix broken FSTAB”
PC boot process – UEFI with GPT
In the previous article, I presented the boot process of BIOS based system with MBR disk. Today we will move forward and we will see the changes introduced with UEFI and GPT disks. I also have another article in plan where I will discuss mixed versions, secure boot and TPM. Anyway.. Let’s continue from where we left. Continue reading “PC boot process – UEFI with GPT”
PC boot process – BIOS with MBR
Aahhh the PC boot process! This magic sequence that transform your pc from a useless piece of metal and plastic in a fastastic machine capable (in the right hands) of opening any door around the world! Have you have wondered how this happen? well in this article (and in the next one) I want to explain in details how the PC boot process works. In particular we will start from MBR (still used in some older system).. and in the next we will move to UEFI. Continue reading “PC boot process – BIOS with MBR”