Today we are presenting distributed k nearest neighbors (k-nn) graphs and similarity search algorithms at the ULB.
This seems easy, but... When you modify your static IP address in /etc/network/interfaces, the old IP is not removed. The new IP is simply added to your interface.
Read moreLaravel is a powerful framework that comes with a lot of boilerplate code to handle most common cases. One of these is users management (register, login, reset password etc.)
Read moreWhen developing some new Python code, you will usually open another terminal to test your function or class using a Python shell... and repeat until you obtain the expected result.
Read morePython is a dynamically typed language, meaning that the type of a variable can change during execution. This participates to the user friendliness of the language.
Read moreNetFlow is a feature that was introduced on Cisco routers around 1996 that provides the ability to collect and process network traffic summary.
Read moreIn February 2020, ULB will organize a CyberSecurity Tournament for students. This is a unique opportunity to challenge your skills and get in touch with major companies of the field.
Read morePython is a very interesting programming language because it is possible to prototype a lot of things in a few minutes. The Python Package manager, called pip, is a very simple tool that allows the user to import/install easily any Python package and its dependencies.
Read moreIn some cases, it is necessary to work on offline machines because of sensitive data for example. To install a Ubuntu version on an offline computer is quite easy. Problems begin when it is needed to install some programs/debian packages for your development. With the default configuration, it is not possible to install anything without an Internet connection.
Read moreIt is very common to implement a model to classify elements in different categories. A very important step in classification is the evaluation of the model efficiency.
Read moreSharding is a method for distributing data (and load) across multiple machines. In this blog post we show how to test MongoDB sharding by running multiple MongoDB instances on a single Ubuntu 16.04 machine.
Read moreWhen it comes to Big Data processing, I'm a huge fan of the Apache Spark project. Spark is a very powerful tool to analyse very large datasets in parallel, and at the same time it provides a nice API that allows to write clean distributed code.
Read moreThe number of Wi-Fi access points is bigger day after day. Everywhere in the street, it is possible to see a lot of Access Point (AP)
Nextcloud is a great tool for self-hosting your data in the vein of Dropbox. It facilitates exchange of information and files in a team, with the extra benefit of providing a robust monitoring and protection capabilities. There are Nextcloud clients available for Windows, Linux and MacOS, which are easy to install and use. With one click you can upload your files to your personal cloud and share them. But sometimes the need arises to upload files from machines that don't use a Graphical user Interface (for example Ubuntu Server distribution). Luckily there exists a way to still be able to upload your files to Nextcloud using the command line and Curl.
Read moreSometimes we might want to play with python scripts that are usefull for us when ran locally. But othertimes the script you have been playing with starts to be more and more important and involved in different projects. In such cases it is an interessting option to upload the python script to an internet repository so it can easily be accessed by you, your team members or other people that might need the same functionalities your script offers.
Read moreThe possibility to test integration on our projects when using Gitlab gives us a powerful testing tool to be sure that the code we submit to the repository will work as intended and wont break anything. The way that Gitlab does Continuous Integration (CI) tests is by using Docker containers that can be deployed at demand to test specific aspects of our project.
Read moreWhen hackers prepare a network attack, they usually start with a network scan to detect running computers and installed software.
Read moreToday we are proud to present a paper at BeMilCIS conference entitled Blockchain for dummies
Read moreBlockchain is currently a very hot research topic. To understand how it works and what it can achieve, here is a simple java implementation.
These last few years everyone everywhere went crazy about cryptocurrencies and more in particular about Bitcoin. The value of the star cryptocurrency did indeed sky-rocket in December 2017 to 19.783$, a 1824% increase in less than a year [2]. However, even though everybody has probably heard about this digital currency, it's likely that very few understand the fascinating technology behind it called blockchain.
This week we presented two papers at the International Conference on Military Communications and Information Systems (ICMCIS) in Budva, Montenegro:
Read moreSimpleRepos is a simple file sharing website that allows to upload files using a REST API. Here is how to use it in conjunction with GitLab to automatically release your binaries...
Read morePHP CodeSniffer is a great tool that enforces everybody is using the same coding standard when contributing to a project. For a Laravel project, there are however a few caveats to handle...
Read moreFont Awesome is a fantastic icon set to improve your web application. The integration in Laravel requires a few additional steps...
Read moreShit happens! Chances are great that you or one of the developers in your team will one day commit a file containing secrets or private keys to a public GIT repository...
Read moreSpotBugs is a fantastic tool to help you write beter java code! It performs static code analysis (SA) and uses a database of more then 400 bug patterns to detect potential bugs in your code.
Read moreWhatever programming language your are using for your project, GitLab continuous integration system (gitlab-ci) is a fantastic tool that allows you to automatically run tests when code is pushed to your repository. Java, PHP, Go, Python or even LaTeX, no limit here!
In this blog post we review a few examples for the Python programming language.
ECHO (European network of Cybersecurity centres and competence Hub for innovation and Operations) is a project funded by the European Commission to establish and operate a Cybersecurity Competence Network. The project was officially launched today at the Conference Hall of the Royal Military Academy, in the presence of the 30 participating institutions.
Read moreMongoDB is a fantastic tool for storing large quantities of data in a JSON-like format.
Read moreHere is a trick for solving a tricky and vicious maven bug...
Read morePhising is a well-known method used by hackers to steal usernames and passwords by imitating a website.
Read moreWhen working with an object oriented language, like PHP, Java or Python, an Object-Relational Mapping (ORM) tool allows to automatically convert model objects into rows in a database and vice-versa. It allows to easily save objects in a database, without worrying about writing appropriate SQL requests.
Read moreFor a development environment or for small web applications, a SQLite database may be perfectly sufficient to store your data. It is also much lighter than a full blown MySQL database.
Read moreOne of the interesting features of GitLab is the possibility to automatically run tests when code is pushed to the repository (Continus Integration): https://cylab.be/blog/7/gitlab-quickstart
Read moreGitLab is a git repository management tool, like GitHub or BitBucket. Like them, it offers issue tracking and wikis. However, GitLab also offers some very powerful features like Continuous Integration (CI) and Continuous Delivery (CD).
Read moreOrientDB is a NoSQL document database, like the very popular MongoDB. It has some very interesting additional features:
Read moreToday 6 students from the Master in CyberSecurity presented their project:
Read moreWe are proud to present 2 papers at the International Conference on Military Communications and Information Systems (ICMCIS) in Warsaw:
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