This master's thesis describes the problems of SELinux, and the methods of creation of a proper security policy with a focus on the SELinux reference policy and its mechanisms. It designs the methodics of formulation of specific security rules, supplemented with the practical example of its application. Furthermore, it describes the available security rules commonly used for http, ftp and ssh services securing, their modification and practical utilization. According to the proposed methodology, these services are protected with their own security rules and both security methods are mutually compared and evaluated.

Work explores the benefits of mentoring for the professional development of teachers and students of teaching. The aim is to contribute to discussions of mentoring in the Czech Republic. The theme of mentoring in our conditions is relatively new, so the work seeks to contribute to the theoretical grasp of the subject too. Research is conducted in qualitative approach using case study design. Case there is interaction between the mentor and mentee, where are defined other criteria for the selection of teachers in the role of mentor to the research sample. Used data collection methods are: questioning by interview via instruction manual, expert interviews and a questionnaire with open questions. Other methods are the video analysis, documents and focus groups. Obtained data were analyzed according to several theoretical frameworks according selected strategy seeking hits/congruence and these initial theoretical concepts were enriched with data from case analysis and compared with each other. The results show that the benefits are perceived more on mentee side and benefits are accentuated and focused on the development in the profession, mentee gain as hints, tips and advice based on experience and the development of their independent thinking within the teaching profession. The benefits for the...

Mate preferences play an important role in an actual mate choice. However, preferred and actual characteristics of mates could differ in some extent. There is discrepancy between ideal partner preferences and actual mate choice. This study is following study conducted in 2013 which was focused on mate preferences and actual mate discrepancy in physical characteristics. The main aime of this study is to investigate, a) how can mate preferences differ over time, b) whether are mate preferences influenced by actual partner, c) whether has discrepancy between preferred and actual partner influence on dyadic?? adjustment and d) whether has discrepancy influence on relationship stability. The final sample of this study consisted of 113 heterosexual women in the age of 18 - 43 (mean age = 29,28, SD = 5,744). Respondents completed an online survey which consisted of sociodemographical informations, informations about experience with long-term partners, revise dyadic adjustment scale (R-DAS) and standardized stimuli of physical characteristics of ideal and actual partner (if respondents were in relationship). Results have showed that partner preferences changed over the first test (2013). In the case of influence of actual partner on the ideal partner preferences was showen significant result only in the...