2021-03-29 | #btrfs #system
Btrfs snapshots allow you to create efficient backups of your filesystem. We’ll explore some of the basics of Btrfs snapshots and their practical applications. Snapshot feature of Btrfs uses the Copy-on-Write (CoW) strategy.
2020-02-21 | #iot #networking #security #standards
Walkthrough security aspects of one of the most widespread protocols in the smart metering and related IoT applications industry. DOWNLOAD The slideshow has been used during the Microchip’s European Masters conference in Berlin.
2019-09-29 | #linear-algebra #mathematics #programming #python
Under the name Numerical Analysis identifies the study of numerical methods for the resolution of complex problems. The numerical methods are algorithms executable by a machine, that allows a usually approximate, resolution of complex physical and mathematical issues.
2019-09-11 | #distributed-systems
A shorter version of the official Raft whitepaper. Introduction Crash Fault Tolerant (CFT) algorithm for replicated state machines. Raft primary goal is understandability. Novel features: Strong leadership: log entries only flow from the leader to other nodes.
2019-03-02 | #distributed-systems
A glimpse to the world of Cyber Physical Systems that are changing the world as we know. From the isolated Monolithic Systems to the conception of System of Systems that are able to interact with the surrounding physical world.
2019-02-16 | #cryptography #security
Data-Origin Authentication: the process of verifying that the data comes from the source it claims coming from. This is typically done using some cryptographic technique such as digital signatures or message authentication codes.
2019-02-14 | #linear-algebra #mathematics
A concise summary of the core concepts in linear algebra. In the attached document I cover fundamental topics such as vectors, matrices, systems of linear equations, and transformations. Understanding these concepts is essential for tackling a wide range of mathematical and real-world problems.
2018-11-07 | #cryptography #history
During World War II, the Enigma machine presented a formidable challenge to the Allied forces as they struggled to decipher encrypted German messages. However, a team of brilliant codebreakers, including Alan Turing, at Britain’s Bletchley Park successfully cracked Enigma’s codes, turning the tide of the war.
2018-11-03 | #cryptography #mathematics #number-theory
Number theory, or higher arithmetic, is a branch of pure mathematics devoted primarily in the study of integers. Abstract algebra is involved in the study of abstractions such as groups, rings and fields.
2018-05-14 | #programming #tooling
Coverage testing measures the effectiveness of test suites by determining the code coverage. It identifies areas of the code that haven’t been executed, enabling to improve test quality and enhance software reliability.
