https://tech.leonardotamiano.xyz notes on systems, security and the machines in between en Sun, 09 Aug 2026 05:06:37 +0000 https://tech.leonardotamiano.xyz/posts/bscp-technical-guide.html https://tech.leonardotamiano.xyz/posts/bscp-technical-guide.html Thu, 06 Mar 2025 00:00:00 +0000 Hi there! https://tech.leonardotamiano.xyz/posts/nitectf-2024-web-tammys-tantrums.html https://tech.leonardotamiano.xyz/posts/nitectf-2024-web-tammys-tantrums.html Wed, 16 Oct 2024 00:00:00 +0000 Played with hAOckers_TV. https://tech.leonardotamiano.xyz/posts/linux-kernel-qemu-setup.html https://tech.leonardotamiano.xyz/posts/linux-kernel-qemu-setup.html Mon, 09 Sep 2024 00:00:00 +0000 The objective of this post is to show how to compile the linux kernel and execute it within an environment virtualized with QEMU. https://tech.leonardotamiano.xyz/posts/android-emulation-setup.html https://tech.leonardotamiano.xyz/posts/android-emulation-setup.html Mon, 22 Jul 2024 00:00:00 +0000 Recently I had to re-install my android emulation setup. Since I had saved notes on how to do it, it was not too hard. In this blog post I want to show just how easy it is to configure an android emulation setup from… https://tech.leonardotamiano.xyz/posts/software-design-issues.html https://tech.leonardotamiano.xyz/posts/software-design-issues.html Fri, 26 Apr 2024 00:00:00 +0000 It was in my second year of university that I discovered Emacs. It took me about four to five years to learn how to use it properly. Then another three years to truly understand its design principles and why it was… https://tech.leonardotamiano.xyz/posts/rss-feed-emacs-lisp.html https://tech.leonardotamiano.xyz/posts/rss-feed-emacs-lisp.html Sat, 16 Mar 2024 00:00:00 +0000 Currently I manage my youtube channels with a single youtube.org file, where each channel has its own file. https://tech.leonardotamiano.xyz/posts/debug-glibc-archlinux.html https://tech.leonardotamiano.xyz/posts/debug-glibc-archlinux.html Mon, 12 Feb 2024 00:00:00 +0000 Our ability as programmers is limited by the tools we use. Tools are extensions of our bodies. They let us experience life in a new and different way. https://tech.leonardotamiano.xyz/posts/bleichenbacher-oracle.html https://tech.leonardotamiano.xyz/posts/bleichenbacher-oracle.html Thu, 08 Feb 2024 00:00:00 +0000 $\require{color}$ https://tech.leonardotamiano.xyz/posts/m0lecon-2023.html https://tech.leonardotamiano.xyz/posts/m0lecon-2023.html Mon, 11 Dec 2023 00:00:00 +0000 Days ago I went to Turin for the annual m0lecon 2023 conference. https://tech.leonardotamiano.xyz/posts/how-to-not-implement-login-form.html https://tech.leonardotamiano.xyz/posts/how-to-not-implement-login-form.html Sun, 26 Nov 2023 00:00:00 +0000 Growing up is a difficult task. https://tech.leonardotamiano.xyz/posts/enigma-machine-c.html https://tech.leonardotamiano.xyz/posts/enigma-machine-c.html Mon, 20 Nov 2023 00:00:00 +0000 For my high-school final work I read about Turing's life. I read about his computational model, now known as turing machine, and of the help he gave to the Allies for the decryption of german comunications during World… https://tech.leonardotamiano.xyz/posts/oscp-technical-guide.html https://tech.leonardotamiano.xyz/posts/oscp-technical-guide.html Sun, 27 Aug 2023 00:00:00 +0000 On the 20th of August 2023, I took the OSCP exam. I finish the exam the next day, at 22:00, when I sent my report. The day after, at around midnight, I received the answer of my test. https://tech.leonardotamiano.xyz/posts/year-3-review.html https://tech.leonardotamiano.xyz/posts/year-3-review.html Sat, 12 Aug 2023 00:00:00 +0000 Here we are for the third year in a row update. This is not a blog update anymore, therefore the title has changed. This year has been mostly about creating new content, and not much has changed with respect to the… https://tech.leonardotamiano.xyz/posts/4g-protocol-stack.html https://tech.leonardotamiano.xyz/posts/4g-protocol-stack.html Sat, 08 Jul 2023 00:00:00 +0000 This blogpost continues the series on 4G networks. In the previous article, titled How to Build your Own Personal 4G network, I introduced the main components behind a 4G network and I showed how https://tech.leonardotamiano.xyz/posts/build-your-own-4g-network.html https://tech.leonardotamiano.xyz/posts/build-your-own-4g-network.html Wed, 07 Jun 2023 00:00:00 +0000 Lately I've had a passive exposure to Digital Signaling Processing (DPS) and Software Defined Radio (SDRs), as some of my colleagues work with these technologies. Given my complete ignorance when it comes to radio… https://tech.leonardotamiano.xyz/posts/debug-remote-nodejs.html https://tech.leonardotamiano.xyz/posts/debug-remote-nodejs.html Tue, 04 Apr 2023 00:00:00 +0000 Lately at work I've had to deal with an application with a backend written using nodeJS. I wanted to understand what the application was doing by doing interactive debugging sessions. The only constraints I had were the… https://tech.leonardotamiano.xyz/posts/tls-intro.html https://tech.leonardotamiano.xyz/posts/tls-intro.html Wed, 08 Feb 2023 00:00:00 +0000 Few months ago I started my PhD in applied cryptography. I'm still in a very confused position as to the specific research that I will focus on in the future. Having said that, given that during my master's thesis I've… https://tech.leonardotamiano.xyz/posts/base64.html https://tech.leonardotamiano.xyz/posts/base64.html Sat, 04 Feb 2023 00:00:00 +0000 Sometimes I look at things that already exist in the world and my eyes fill up with wonder and curiosity. I look at them and I ask myself: how did that thing come to exist exactly the way it is? Why was it done that way… https://tech.leonardotamiano.xyz/posts/bitcoin.html https://tech.leonardotamiano.xyz/posts/bitcoin.html Fri, 09 Dec 2022 00:00:00 +0000 Hello https://tech.leonardotamiano.xyz/posts/htb-boot2root-noter.html https://tech.leonardotamiano.xyz/posts/htb-boot2root-noter.html Tue, 13 Sep 2022 00:00:00 +0000 Noter is a medium difficulty linux box. https://tech.leonardotamiano.xyz/posts/how-I-manage-my-blog.html https://tech.leonardotamiano.xyz/posts/how-I-manage-my-blog.html Sat, 03 Sep 2022 00:00:00 +0000 I've wanted to write about how I manage my blog since last year, when I wrote my first blog review. Quoting directly myself from that blog post: https://tech.leonardotamiano.xyz/posts/year-2-review.html https://tech.leonardotamiano.xyz/posts/year-2-review.html Mon, 01 Aug 2022 00:00:00 +0000 Last year I wrote a yearly review on the progress of this blog. Given that its already been a year since that day, it means that it has been two years since I started to publish my writing in this blog. I want to keep… https://tech.leonardotamiano.xyz/posts/htb-boot2root-reddish.html https://tech.leonardotamiano.xyz/posts/htb-boot2root-reddish.html Sun, 26 Dec 2021 00:00:00 +0000 The Reddis machine is an insane linux box. https://tech.leonardotamiano.xyz/posts/web-scraping.html https://tech.leonardotamiano.xyz/posts/web-scraping.html Sat, 09 Oct 2021 00:00:00 +0000 After years of studying Computer Science at university I've come to realize the simple yet powerful fact that digital technology is all about the processing of information encoded in data. What we're doing with… https://tech.leonardotamiano.xyz/posts/year-1-review.html https://tech.leonardotamiano.xyz/posts/year-1-review.html Thu, 29 Jul 2021 00:00:00 +0000 It was the 2020-07-28 (yyyy-mm-dd), that is, yesterday of one year ago, when I published my first blog-post ever. From now on this date will officially represent the birth of this blogsite. https://tech.leonardotamiano.xyz/posts/htb-boot2root-celestial.html https://tech.leonardotamiano.xyz/posts/htb-boot2root-celestial.html Mon, 31 May 2021 00:00:00 +0000 Writeup of Celestial from Hack The Box. https://tech.leonardotamiano.xyz/posts/emacs-baseline-concepts-tree.html https://tech.leonardotamiano.xyz/posts/emacs-baseline-concepts-tree.html Tue, 04 May 2021 00:00:00 +0000 These days I'm working on an introductory series on Emacs. It's targeted for beginners, and in particular for italians beginners, since the entire series will be in italian. Right now I'm hosting it on youtube, but… https://tech.leonardotamiano.xyz/posts/htb-boot2root-valentine.html https://tech.leonardotamiano.xyz/posts/htb-boot2root-valentine.html Mon, 29 Mar 2021 00:00:00 +0000 Writeup of Valentine from Hack The Box. https://tech.leonardotamiano.xyz/posts/crossword-solver-c++.html https://tech.leonardotamiano.xyz/posts/crossword-solver-c++.html Thu, 21 Jan 2021 00:00:00 +0000 One of these endless nights I was mindlessly scrolling twitter until I saw a preview of a free course which promised to teach the basics of C with a small project: writing an automatic crossword solver. Being interested… https://tech.leonardotamiano.xyz/posts/htb-boot2root-poison.html https://tech.leonardotamiano.xyz/posts/htb-boot2root-poison.html Tue, 22 Dec 2020 00:00:00 +0000 The Poison machine is a medium freeBSD box.