The n-queens problem is a common exercise in computer science. Legend has it that a mathematician once declared that women are like the queens in chess, you can’t put eight of them in a room without them trying to kill each other. This obviously isn’t true, and since I’m a feminist, but also a nerd,…
Read MoreIn order to visually test NetEye on browsers at each stage of development and before each release, we have a continuous integration (CI) step dedicated to Selenium testing. Selenium is a longtime open-source tool for browser automation; it’s a widely-used tool with a huge community of users. The framework is capable of automating and controlling…
Read MoreYou’ve probably watched a number of YouTube tutorials over the last 10 years, whether to help you with a specific task at work, to keep your IT skills refreshed, or even just to learn something new about one of your personal hobbies (no, we don’t want to hear about your favorite cat videos). So I’m…
Read MoreOkay, this is Part 12, so we’re all experts now. Still, there are a number of things you can do to up your game. Today let’s talk about one of them: planning your video with an organizational tool called storyboarding. Briefly, a storyboard is a visual tool, a series of drawn frames with written dialog…
Read MoreOverview I think there are different ways companies use to achieve the purpose of making their own software more secure, for example paying other dedicated companies to do penetration tests. Our approach was the same, initially…the most obvious problems were found and fixed. But there was something we weren’t buying. We weren’t satisfied, we knew…
Read MoreI recently had to parse the JSON-RPC 2.0 standard and ran into the following problem: The standard requires the field “jsonrpc”: “2.0” in the JSON itself, and I wanted to validate that with Serde to ensure the message conforms to the standard. On the other hand I don’t need the field in the actual struct,…
Read MoreSo you read the advice I wrote in parts 1-9, you think to yourself “Oh why not, I’ll try to make a video”, and you then plan everything out: where to film, what to say, how to dress, the equipment you need, etc. You’ll pick or reserve a room somewhere in your office building (we’re…
Read MoreWith the introduction of the Composable Index Templates in Elastic, we at NetEye had to redesign the way index settings and mappings are applied to the indices generated by El Proxy. In this post I’ll explain: The solution explained in the remainder of the post was designed for El Proxy, but it may apply also…
Read MoreAs mentioned in my colleague Mattia’s blog, NetEye 4.27 comes with a ClickHouse database pre-installed.If you follow that post, you will be able to customize NetEye in order to save data inside a ClickHouse database. Your data is now ready to be visualized on a dashboard, and you can accomplish this by configuring the ClickHouse…
Read MoreAfter my last post on the advantages and disadvantages of the animation style of video, I hope you did your homework! I certainly did, and you can see the results of my first animated video that conveys some basic information on the need for cybersecurity both in English and in Italian. Probably like you, I…
Read MoreFor our use case, we need to be able to deploy Azure machines using Ansible from developer’s laptops and from our own CI/CD infrastructure both on Jenkins and OpenShift. The easiest way to ship a working and easy-to-use environment for our use case is to create a Docker instance: we based our Docker on rockylinux…
Read MoreBefore deploying El Proxy in production we, the R&D Team, carried out numerous benchmarks and reproduced real life scenarios to ensure that the real-time log signing performed by El Proxy would not represent a bottleneck in environments where logs that must respect the Italian “Garante Privacy” regulations are generated with data rates of around 2,000…
Read MoreIntro This post continues the analysis of a bug I had to deal with recently. If you missed the first part, I suggest you go take a look at it before continuing with this. If, on the other hand, you’ve been anxiously waiting for this post XD, we’re ready to get into the thick of…
Read MoreWhen a team practicing agile software development is growing, one common question that arises is the optimal size for a development team. While some argue that smaller teams are more effective, others believe that larger teams can be equally successful if managed properly. In this article, we will explore the advantages and disadvantages we encountered…
Read MoreIntro In this post I’d like to explain the technique I chose to discover the cause of a bug I recently worked on, and why I made certain choices, given the not-so-common circumstances: part of a GUI I was debugging stopped working. It depended on third-party code and was therefore largely unfamiliar to me. Another…
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