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Using Blazor technology with the DotVVM framework
Švikruha, Patrik ; Ilgner, Petr (referee) ; Lattenberg, Ivo (advisor)
DotVVM, WebAssembly, WASM, Blazor, ASP.NET Core, .NET Core, .NET, Mono, JavaScript, JavaScript engine, LLVM, AOT compiler, JIT compiler, WSL
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Software Controller for OpenWrt Based Wi-Fi Access Points
Jašíček, Petr ; Krajsa, Ondřej (referee) ; Ilgner, Petr (advisor)
The aim of this thesis was to create a web application used for centralized management and configuration of wireless networks on access points running on OpenWrt distribution. The reader is acquainted with common principles of wireless networks including description of existing solutions for their centralized management. After that the thesis introduces the reader to OpenWrt distribution and to a method of its configuration using UCI model. The reader is then introduced to the main technologies used in this thesis. Author further describes architecture, user interface and implementation of the web application. The created web application is platform agnostic and provides easy way to manage and configure access points with OpenWrt distribution.
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Platform For Collecting User Identifiers On Ieee
802.11 Wireless Networks
Ilgner, Petr
At the present time the widely usedWi-Fi networks provide comfort by zero configuration settings. However it leads to serious privacy issues. The article is focused on user information which can be extracted from service communication. The article presents several ways how to collect these information and introduces the platform for collecting user data. In the first part there is described the available network discovery mechanism followed by section about designed methods for obtaining user information. The last part describes the implemented platform in detail.
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Virtualization on routers
Ráboňová, Jana ; Zvončák, Vojtěch (referee) ; Ilgner, Petr (advisor)
This thesis deals with router based virtualization in the field of computer networking. The main goal is to present platforms suitable for virtualization and demonstrate practical usage afterwards. There were choosen three virtualization platforms, Mikrotik MetaROUTER, KVM and LXC containers. All of them have been tested for its performance. For MetaROUTER platform has been done modifications to allow deploy the newest version of linux distribution OpenWRT. Further, there were choosen testing scenarios, for which have been shown the possible aplication of virtualization on routers.
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Analysis of webserver and domain security
Dvonč, Tomáš ; Lieskovan, Tomáš (referee) ; Ilgner, Petr (advisor)
The aim of the bachelor thesis was to analyze the security of web and e-mail servers. The work consists of three parts. The first part describes communication protocols and explains the basic difference between them. The second part describes the history of development of cryptographic protocols which are used to encrypt communication, prevent data capture and manipulation. Furthermore, the security architecture is presented, the way the client-server communication is implemented and the concept of the certification authority is clarified. In addition, the various security mechanisms that provide reliable communication over the Internet will be described. In the third part the main focus is to create a program that would automatically test the security features of the enclosed domain set. The Application was created in the Golang programming language using Docker. The result is security analysis statistics and security errors detection. Based on the data obtained, the user will be provided with current the security status of web and email servers.
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Android stock market application
Balaževič, Lukáš ; Ilgner, Petr (referee) ; Zvončák, Vojtěch (advisor)
The aim of the work is to design and implement an android application which will display parameters of cryptocurrencies, technical indicators and will predict the price based on the modern technology of machine learning. In addition to the displaying parameters, the user will be able to set up notifications. Application displays data from the Firebase database. The data are uploaded to an application from two services which run on Ubuntu server and are written in programming language Kotlin and Python. Services are in charge of obtaining and data processing. One of the services takes care of price prediction, the price is predicted using a LSTM neural network where each cryptocurrency has an own training model. The result of the work is a system that takes care of the whole lifecycle of the data from the acquisition, transformation and the presentation to the user. Based on acquired information from the application, the user is able to make statistically correct decisions in the cryptocurrency market without the need to constant market monitoring.
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Virtualization of virtualization software
Holovová, Simona ; Ilgner, Petr (referee) ; Lieskovan, Tomáš (advisor)
The bachelor thesis deals with virtualization. The main goal is to compare selected virtualization platforms and describe their functioning. The theoretical part describes the theoretical basis for virtualization, its fundamentals as well as various types and security threats. The practical part contains the description and the way of performing the tests as well as the used tool. Subsequently, the results obtained are interpreted and compared. The thesis is further dealing with nested virtualization and measuring its effectiveness.
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Genetic Algorithms - Implementation of Multiprocessing
Tuleja, Martin ; Ilgner, Petr (referee) ; Oujezský, Václav (advisor)
Genetic algorithms are modern algorithms intended to solve optimization problems. Inspiration originates in evolutionary principles in nature. Parallelization of genetic algorithms provides not only faster processing but also new and better solutions. Parallel genetic algorithms are also closer to real nature than their sequential counterparts. This paper describes the most used models of parallelization of genetic algorithms. Moreover, it provides the design and implementation in programming language Python. Finally, the implementation is verified in several test cases.
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Analysis of web server hosting
Ilgner, Petr ; Kubánková, Anna (referee) ; Komosný, Dan (advisor)
Master thesis deals with the problematics of webpages hosting in the Czech Republic. The goal of the thesis is to design a procedure and to implement an application for automated determination of whether a particular website is operated on a third party server or an own server of the organization or the individual. The thesis is divided into two main parts. The first part of the thesis lays a theoretical base concerning principals, protocols and services which are necessary for providing availability of the webpages with special attention to the specifics of the Czech internet environment. In the practical part there are several approaches to the analysis of the obtained data proposed. On that basis there is designed and in the form of the detection application implemented an algorithm which goal is to determine whether the submitted webpages are placed on a shared server and to collect the information about their hosting. In the last part of the thesis the application runs based on the created database of webservers organized by the categories of the webserver operators. In this analytic part the obtained output information about these webservers hosting are processed and presented together with the relevant context concerning the hosting of these webpages in the Czech Republic.
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Visualization communication between OLT and ONU units in NG-PON2 networks.
Ilgner, Petr ; Jurčík, Michal (referee) ; Horváth, Tomáš (advisor)
This bachelor thesis is concerned with passive optical networks, which provide solutions of access networks and have sufficient capacity for data-intensive services. The introductory section compares technologies of access networks and evaluates their qualities and usability. The following part focuses concretely on passive optical networks and their hardware. The next section introduces the passive optical network - NG-PON2 standard. The characteristics and principles of establishing a connection between subscriber unit and provider network interface. Further, there is description of the data structures in the network, service messages system and network security options. Special attention is paid to individual operating systems in the network. The practical part represents a design and implementation of visualization software, which displays the data communication between the units of the network.
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