If you are referring to the fourth issue or a specific edition of the popular Czech tabloid's weekly supplement, Blesk Magazín .
If you are referring to the all-in-one network monitoring suite, specifically its various modules or versions. Blesk 4
: Tone 4 is a "Natural" translucent shade with a glossy, "wet look" finish. If you are referring to the fourth issue
: Includes tools like Nagios and Cacti for real-time and historical data metrics such as CPU load and bandwidth. : Includes tools like Nagios and Cacti for
: The weekly magazine supplement, often released on Fridays or Sundays as Nedělní BLESK , typically includes a comprehensive TV guide and lifestyle features.
Because "Blesk 4" can refer to several distinct topics, I have drafted three potential write-ups based on the most likely interpretations of your request. Option 1: Czech Media (Blesk Magazín Issue 4)