credativ® Blog
Here you will find interesting news about industry-specific topics and us.
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Peter Dreuw
Head of Sales & Marketing
about the person
Peter Dreuw has been working for credativ GmbH since 2016 and has been a team lead since 2017. Since 2021, he has been part of Instaclustr’s management team as VP Services. Following the acquisition by NetApp, his new role became “Senior Manager Open Source Professional Services”. As part of the spin-off, he became a member of the executive management as an authorized signatory. His responsibilities include leading sales and marketing. He has been a Linux user from the very beginning and has been running Linux systems since kernel 0.97. Despite extensive experience in operations, he is a passionate software developer and is also well versed in hardware-near systems.
18 April 2019
The XEN hypervisor and microcode updates
One would think that microcode updates are basically unproblematic on modern Linux distributions. This is fundamentally correct. Nevertheless, there are always edge cases in which distribution developers may have missed something. Using the example of Ubuntu 18.04 LTS “Bionic Beaver” in connection with the XEN Hypervisor this becomes obvious when it comes to processors microcode […]
18 March 2019
New PuTTY version after almost 2 years
The open-source SSH client PuTTY, popular among Windows administrators, was released in a new version last Saturday. This update closes several critical security vulnerabilities. The last version of PuTTY was released around 20 months ago. Users should update urgently The newly released version 0.71 was made available for download last Saturday, March 16, 2019. PuTTY […]
21 December 2018
Azure Import Module for IcingaWeb2 Director
The migration of IT landscapes to cloud environments is common today. However, the question often remains how to monitor these newly created infrastructures and react to failures. For traditional infrastructure, monitoring tools such as Icinga are used. These tools are often deployed using configuration management methods, such as Ansible or Puppet. In cloud environments, this […]
30 May 2018
RabbitMQ - Message Oriented Middleware (MOM)
The message broker RabbitMQ is highly popular in business environments. Our customers often use the software to bridge different systems, departments, or data pools. Similarly, a message broker like RabbitMQ can be used to absorb short-term load peaks and pass them on normalized to backend systems. Operating the Erlang-written message broker is straightforward to seamless […]
10 January 2017
Network Virtualization with VXLAN and Linux
VXLAN stands for “Virtual eXtensible Local Area Network”. Standardized in RFC 7348 in August 2014, VXLAN is also available today as a virtual network interface in current Linux kernels. But what is VXLAN? What is VXLAN? When one reads the keywords “Virtual” and “LAN”, most rightly think of VLAN. Here, a large physical network is […]