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48%
Let the hardware do the heavy lifting
09.06.2018
Home »  Archive  »  2018  »  Issue 45: Autom...  » 
Photo by Victor Freitas on Unsplash
. In the midst of all of this, the processors have had a difficult time keeping pace. As a result, system performance and cost can benefit by offloading some repetitive, well-defined CPU-intensive data path tasks
48%
Automate the Active Directory Federation Services install
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © drubig-photo, fotolia.com
-PfxCertificate would have output an error if it had found inconsistencies with one of the parameters or the certificate itself. To be on the safe side, check the variable content of $cert (e.g., with the $cert | fl
48%
Getting a free TLS certificate from Let's Encrypt
13.06.2016
Home »  Archive  »  2016  »  Issue 33: IPv6...  » 
Lead Image © Stuart Miles, 123RF.com
address in DNS. To request a certificate for http://www.hanscees.com, I had to run a script on the web server serving http://www.hanscees.com, asking the Let's Encrypt staging-server (LSS
48%
Managing Linux Filesystems
13.06.2016
Home »  Archive  »  2016  »  Issue 33: IPv6...  » 
Lead Image © Ulrich Krellner, 123RF.com
and kernel code. For a long time, this simple approach to managing a filesystem in userspace was not possible. Until FUSE hit the scene, filesystems had to be implemented in the kernel, with all
48%
Software-defined networking in OpenStack with the Neutron module
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © Michael Roder, Fotolia.com
to the example of metadata access in OpenStack. Amazon had the idea of creating a tool named cloud-init. The tool launches when a VM starts in the cloud and executes an HTTP request to the address 168
48%
Lean Linux distribution for Kubernetes
26.01.2025
Home »  Archive  »  2025  »  Issue 85: Monit...  » 
Lead Image © joingate, 123RF.com
, a veteran of the German IT scene, was already making guest appearances at conferences at the time, saying that you needed to reinstall every system after an administrator had logged into it over SSH, because
48%
Build and host Docker images
30.01.2024
Home »  Archive  »  2024  »  Issue 79: Monit...  » 
Lead Image © Sebastian Duda, 123RF.com
Many a developer looking to package their own application in a container for the first time finds themself out of their depth. Administrators who have not had much experience with containers to date
48%
Synchronizing repository changes with GitOps
30.01.2024
Home »  Archive  »  2024  »  Issue 79: Monit...  » 
), but obviously the objects that had been there will all have disappeared. Therefore, for persistent data, and databases in particular, you need a specific approach that I briefly explain later. In short, Git
48%
Building a defense against DDoS attacks
30.01.2024
Home »  Archive  »  2024  »  Issue 79: Monit...  » 
and had to click on the right photos from a selection (Figure 3). This activity is intended to distinguish human visitors from scripts. Figure 3
48%
Hardening mail servers, clients, and connections
03.04.2024
Home »  Archive  »  2024  »  Issue 80: Threa...  » 
Photo by jesse ramirez on Unsplash
. Therefore, network users have to live with the disadvantages and various negative effects that come with email. Some smaller companies outsource the problem to service providers such as Microsoft or Google

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