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Linux distribution for smart building gateway
Nagy, Tomáš ; Komosný, Dan (referee) ; Jablončík, Lukáš (advisor)
The goal of the thesis was to create a Linux distribution for a smart home gateway. The thesis is divided into theoretical and practical parts. The theoretical part dealt with the analysis of the Linux operating system. Subsequently, single board computers are described and compared. In the next part, the gateway issues, communication protocol selection and application containerization are discussed. As a result of addressing the issue, a procedure for adding tools for home automation, the construction of scripts that automate this issue and instructions for their proper execution were proposed.
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A Framework for Static Analysis of Shell Scripts
Svoboda, František ; Kočí, Radek (referee) ; Smrčka, Aleš (advisor)
The aim of this work is to create framework for static analysis of Unix shell scripts. Bourne-again shell is chosen as the primary subject of interest. The first part of the project discusses a principles of static analysis and current static analysis tools. The diploma thesis presents a framework based on modular system, which enables plug-ins to perform different kinds of analysis on scripts. Framework includes plug-in management, means of interaction, handling outputs and input setting. This thesis also contains the description of a few plug-ins, designed to perform basic analysis of scripts.
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Czech phonetic transcription
Zedek, Martin ; Atassi, Hicham (referee) ; Sysel, Petr (advisor)
The aim is to create a script for automatic transcription of Czech language phonetic forward and backward. The thesis compares the different phonetic alphabet and describes their advantages and disadvantages. For this thesis was eventually selected Czech Phonetic Alphabet (ČFA). The following are the most important rules for connection of vowels and consonants and the main assimilation rules. The script was created in MATLAB environment. The function is to convert the phonetic form using the rules described. Backward conversion is not fully debugged and it is necessary to refine the result using Aspell program for correcting spelling.
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Geographic location of PlanetLab servers
Iľko, Pavol ; Balej, Jiří (referee) ; Komosný, Dan (advisor)
This thesis deals with accuracy of location of nodes in experimental network PlanetLab. Thesis is devided into a theoretical and a practical part. Theoretical part consists of the description of network PlanetLab, its brief history and current projects. At the same time, Google Maps framework, which is later employed in the practical part, is described. Practical part describes the functionality of the application aimed at validation of location accuracy. Nextly, the application measuring latency of node to SSH is also described, as well as the map which contains PlanetLab nodes located in Europe. Applications and obtained data are attached on CD disk.
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Analysis of possible threats in old OS Linux version
Chovancová, Emília ; Dejdar, Petr (referee) ; Tomašov, Adrián (advisor)
The bachelor thesis is focused on the security aspect of an older version of a Linux based machine. The document is split into a theoretical part which contains a description of what operating system, kernel, UNIX, GNU/LINUX and Linux OS are in general. Then the description proceeds to explanation of active and passive attacks such as replay, masquarade, denial of service, man in the middle or listening and analysing the network. Afterwards it continues with description of potentially vulnerable spots that are common on operating systems. With the help provided from scanning software, especially Nmap and Lynis, the document proceeds to the practical part which contains various types of successful and unsuccesfful attacks such as password recovery, denial of service, spectre, brute force of a password and cross-site scripting. The last part covers the protection against succesfull attacks and adds a little bit more of additional protection in general in a form of an ansible script.
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Script Language for Image Processing
Crlík, Radek ; Španěl, Michal (referee) ; Zemčík, Pavel (advisor)
This bachelor thesis deals with capabilities of scripting languages and their types. Specifically with design of one such language suitable for image processing. The goal was to create a language small enough, but easy to use. One of the requirement was to utilize OpenCV library, for which the resulting code would be as short as possible. First part deals with descriptions of scripting languages, their main philosophy and options of language processing by the computer. Second part contains description of the designed language. Last part documents achieved goals and possible ways how to extend the language even further.
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Optimizing Processes in the Customer Support Department
Veselý, Lukáš ; Vobecký, Tomáš (referee) ; Kříž, Jiří (advisor)
This thesis deals with an optimalization of the Escalation process in the customer support department in the company Centrum služeb s.r.o. It contains the analysis of the current process and theoretical knowledge to propose a new solution. The proposed solution is a website based application, which automates the process and decreases the time to resolve customers requests.
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Video doorphone
Horyna, Miroslav ; Macháň, Ladislav (referee) ; Šteffan, Pavel (advisor)
This thesis deals with door video phone on the platform Raspberry Pi. There is described the platform Raspberry Pi, Raspberry Pi Camera module, operating systems for Raspberry Pi and described installing and configuring the software. Next is described the concept and description of programs created for door video phone and design of additional modules.
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Wireless model 802.11 in NS2
Botta, Miroslav ; Kubánková, Anna (referee) ; Šimek, Milan (advisor)
Theme of this work is simple wireless simulation Network Simulation 2 tool. The work consists of more parts. In the first section is basic theory about Wi-Fi networks, they types and standards and describes how useful can it be in practical life. In the second section there is a short annotation for programming in TCL language and possibilities of NS2 for simulating wireless networks. In the end there is a complex simulation of this network. In the third part there are two complex tasks where the information’s are drawn from the previous two parts.
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