Administrator’s Guide of Linux servers – chapter 2
Welcome to chapter 2 - RAID in practise of our practical miniguide of a server administration of operating system GNU/Linux!
The data center Coolhousing is getting stronger
Within the context of significant improve its service and performance Czech hosting provider Coolhousing upgraded their electrical equipment in few weeks ago. Further investments are just prepared!
Cool IT News 5
KDE celebrates twenty years of existence. Samsung started to produce 10nm chips. New JIT compiler will be in PHP 8.0.
The reverse charge in telecommunication services
We would like to inform you about Tax changes, especially in the mode of the reverse charge in the Czech Republic and its extension into selected telecommunication services.
Update: Announcement of power backup generator test (23.10.)
Within investment and revitalization in the data center Coolhousing a loading test of newly installed diesel engine has planned on Sunday, October 23 from 2:00 p.m. to 3:00 p.m. Testing procedure was successful.
Cool IT News 4
In fourth edition of the Cool IT News we will look at news around Linux. Critical security bugs and errors won´t miss as well.
The investigate evaluation of failure from 5. 10. 2016
The cause of failure, which occurred during testing of a newly installed diesel engine on Wednesday October 10 2016 were discharged batteries of one part of central UPS. Monitoring and display of this central unit, which was controlled in spring 2016, hasn´t shown the real capacity of the batteries, which showed a half capacity of batteries at the time of test.
Cool IT News 3
In the Cool IT NEWS 3 we look especially at the single-board microcomputers. However we do not miss important security and bug fixes of this week.
Statement about the failure from 5th October
On October 5, 2016 at 3:10 PM a widespread power outage affected the Coolhousing Data Center. The failure happened during the planned maintenance work in the final stage of new power backup generator installation. However we were well prepared for the operation, co-operating closely with the electric generator supplier technicians, when the backup power circuit was tested, certified backup battery of central UPS had unexpectedly discharged, although the UPS electronics still showed about 50% of battery capacity left.
Cool IT News 2
The IEEE has approved a new standard for Ethernet. GNU is celebrating 33th Anniversary. Yahoo! officially confirmed the serious security incident at the end of year 2014. There were also several fixes of critical vulnerabilities.<
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