|
|
Snapshot and Rollback Support for Configuration Files in Fedora
Ježek, Michal ; Vojnar, Tomáš (referee) ; Smrčka, Aleš (advisor)
The purpose of this thesis is to design and implement tools for support of a snapshot and a rollback for configuration files on the GNU/Linux distribution. The set of the tools enables an automatic/periodical saving of the configuration files into the selected placement. The creation of backups reacts to file events by watching the changes with kernel subsystem inotify. Tools are enabling to return to the selected backup. The way of the backup actualization is configurable. This tool permits the data comparison from selected backups, to show the differences in configurations and eventually to manage a merge among actual and selected backup. Tools also allows a comparison of a configurations of one client or configurations among clients, and to display the mutual differences, eventually to manage their merge.
|
|
|
Mixing console for audio signals
Špaček, Jan ; Schimmel, Jiří (referee) ; Kratochvíl, Tomáš (advisor)
Bachelor's thesis on the theme "Mixing console audio signals" deals with the design of mixing console for mixing audio signals from several audio inputs. After a theoretical introduction to general issues and configuration mixing consoles the block diagram and then the full circuit diagram of a custom solution mixing console is proposed, whose configuration is as follows: Two mono inputs, designed as a switchable, where you can bring the microphone or line signal levels. They are equipped with a microphone preamp and attenuation articles, tri-band equalizers, panoramas and level controllers (faders). In addition, two stereo inputs, specifically designed for line level signals. They are equipped with line-preamp, panoramas and level controllers. Output signals of all input units correspond to a regular line level. On the main bus is then equipped stereo band equalizer, line output and headphone output. Bachelor's thesis comprises a technical documentation to implement functional prototype of the console, including the experimentally measured values.
|
|
|
Integration of social life with urban space syntax
Al-Ibrahim, Najeh Mohammed Mohammed ; Kyselka, Mojmír (referee) ; Šilhánková, Vladimíra (referee) ; Fridrich, Lubor (referee) ; Wittmann, Maxmilian (advisor)
Studium prostorové syntaxe a prostorového poznání (vnímání) ukázalo a určilo statistický vztah mezi vlastnostmi prostoru a prostorovým poznáváním (schopnost jednotlivců připomenout a představit si mapu prostoru). Disertační práce zdůrazňuje aspekt prostorového poznávání, který je založen na podobě a kvalitě prostředí. Prezentuje myšlenku, že poznávací mapování jako proces je kulturně vymezený. Jeho výsledky jsou přejímány a filtrovány z prostředí, v němž lidé žijí. To znamená, že mohou vznikat různé výsledky poznávacího mapování a různé výsledky založené na lidských hodnotách. Pokud by se prokázalo, že proces je ovlivněn hodnotami lidí a jejich kulturními návyky, znamenalo by to, že existuje další faktor individuální mentální reprezentace prostoru. Ten zahrnuje aspekty, které pomáhají jednotlivcům získat specifické povědomí o tom, co je pro ně vyhovující prostředí. Cílem disertační práce je analyzovat tento předpoklad zkoumáním vztahu mezi vlastnostmi prostoru a prostorovým poznáváním a prokázat, že rozdíl v kultuře lidí ovlivňuje tento vztah. V práci jsou zodpovězeny dvě klíčové otázky: První - zda existuje souvislost mezi prostorovým vnímáním a satisfakcí lidí z jejich životního prostředí, a druhá - zda taková spokojenost ovlivňuje vztah mezi prostorovým uspořádáním a prostorovým poznáním. Další otázka plynoucí z analýzy zní: Které kulturní hodnoty jsou spojeny s procesem prostorového poznání? Mezi hlavní nástroje a postupy používané v práci patří: software prostorové syntaxe, analýza vlastností prostoru v rámci dvou studijních oblastí - Brno centrum města (Česká Republika) a staré Město Damašek (Sýrie), dotazník zkoumající spokojenost lidí, test prostorového mapování a pozorování chodců. Z analýzy vyplývá: Za prvé - existuje vztah mezi prostorovým poznáním a satisfakcí, za druhé - prostorové poznání má tendenci být ovlivněno nejen strukturou prostoru, ale také způsobem, jakým ho lidé vnímají a jaký mu přisuzují smysl. Práce se snaží celkově objasnit vliv prostorové konfigurace na vztah mezi lidmi a prostorem, zvlášť na vztah mezi prostorovou konfigurací a množstvím lidí v prostoru.
|
|
|
Quality of Service Assurance in UMTS Network
Nesveda, Marek ; Novotný, Vít (referee) ; Hošek, Jiří (advisor)
The bachelor´s thesis deals with the assurance of the quality of service (QoS) in UMTS (Universal Mobile Telecommunications System) networks. It consists of theoretic and practical parts. The first, theoretic part first describes the quality of service assurance in general and then focuses on the area of the assurance of the quality of service (QoS) in UMTS network environment specifically. It describes the QoS concept in UMTS, typical UMTS network architecture, its components as well as various QoS classes defined in UMTS. It explains parameters that define the quality of service in UMTS network, and describes call set-up for the purposes of transmission between end users. The second, practical part of the bachelor´s thesis describes how to configure a complex UMTS network simulation model in OPNET Modeler, ver..14.5. It gives a detailed description of how to configure each network component and how to set its parameters, in two different scenarios: first including and then excluding QoS. In conclusion, the thesis summarises the results of the simulation in both scenarios, gives their explanations and compares them graphically.
|
|
| |
|
|
Technology for comprehensive support of multimedia services in heterogeneous networks
Dosoudil, Petr ; Krkoš, Radko (referee) ; Novotný, Vít (advisor)
The theses explains the Evolution Packet System (EPS) and subsystem IP Multimedia Subsystem (IMS). It also informs how these systems cooperate and through which interfaces the main data and signals between these two technologies are transfered. The thesis includes practical section, in which installation and configuration of sections of the IMS system including its "core", and application and medial server. For verification of the functionality of the system, two dissimilar clients are installed, and emulator WAN is applied for simulation of Internet. The product of the theses is the design of the laboratory exercise drafted in such a way that it can be solved by students less knowledgeable of the issues.
|
|
|
Foundation Fieldbus peripheries
Ferjančič, Michal ; Fiedler, Petr (referee) ; Štohl, Radek (advisor)
Master’s thesis deals be occupied with the transmission of process data with peripheries to control devices. Data transmission with performs through two types of industrial networks. Use with these two Foundation Fieldbus and EtherNet / IP. In work is shows method conversion through gateway between the two networks. Here there is adduced method to connected and configure devices on the networks and also their implementation. Part of this work is also creating a visualization of these peripherals and the gateway. The work is also presents possible use for laboratory task to practice.
|
|
|
CISCO security laboratory exercise
Švec, Martin ; Hajný, Jan (referee) ; Pelka, Tomáš (advisor)
The main purpose of this diploma thesis is to become familiar with the principles and technical solutions regarding security components of Cisco company and configure assigned system according to valid rules of security. In introduction are explained the reasons for networks security solutions. This work also analyses different kinds of security weaknesses which include deficiencies of networks protocols and also the attacks from hackers. The principle of firewall is described and also its particular types. This work is focused on explanation and classification of PIX firewall, which has dominant role in the field of network security. The other equipments of Cisco, which are improving the level of security, are also mentioned. The practical part of this diploma thesis is composed of networks connections and configuration of system consisting of router, PIX firewall and switch. It also includes the detailed procedure and description of configuration of network equipments. The focus is put on minimalization of threats and elimination of DoS attacks.
|
|
|
Security protection techniques of wireless networks of internet providers
Žiško, Róbert ; Pelka, Tomáš (referee) ; Burda, Karel (advisor)
This master’s thesis can be used as the guidebook for Wi-Fi networks provider in non-licensed zones 2,4GHz and 5GHz. It is good tool to understand wireless technology area and its protection. Reader can follow network design and avoid mistakes that are mentioned in work. This text shouldn’t be a tool or a guide for possible attackers, but an impulse for small providers who provide their networks in unsecured form. In the opening chapter of my work, matters of Wi-Fi networks are thoroughly analyzed. As they are able to get internet connection in a lot of inaccessible places, they are considered to be crucial for the present times. The basic procedure describing Wi-Fi planning is written in thesis and also its legislative that has to be strictly observed. The big disadvantage is riskiness of the wireless connection that allows attackers to attack network in many ways. For mentioned reason it is very important to take utmost account of Wi-Fi network’s security and attack resistance. Unfortunately a lot of networks are either secured partially or unsecured at all. These types of networks are frequently attacked in order to get “free” Internet access or because of competitors fight. In the text below we can find possible Wi-Fi attack forms using by attackers to get Internet access or destroy network hardware what can cause big financial loss to providers. I described design and realization of little-town network using safety tools implementation based on my experience. For that purpose I implemented benchmark tests in graphics as well as practical format.
|
|
|
Pressure vessels pressurized water reactors
Horváth, Radovan ; Martinec, Jiří (referee) ; Suk, Ladislav (advisor)
The aim of this bachelor thesis is the development of research on the topic of the pressure vessels of pressurized water reactors. Next is to outline the various design solutions of pressure vessels of pressurized water reactor. The thesis is divided into five chapters, contains 1 chart and 7 graphics. The theoretical part is dedicated to the history of nuclear energy and the development itself in the world. The description of the classifications of nuclear reactors is also included in the theoretical part. Summary of the theoretical part consists of a detailed description of the pressure vessel and pressurized water reactor itself. Practical part of this thesis contains the design of 3D assembly model and its modification in the program Catia V5. The overall model is composed of a main assembly, namely the body of the reactor and sub-assemblies, which were gradually installed.
|
guest ::
