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19%
High-performance Python – compiled code and C interface
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Lead Image © Konrad Bak, 123RF.com
away from Python 2 and on to Python 3 pretty quickly, because, as the Python wiki [12] says, "Python 2.x is legacy, Python 3.x is the present and future of the language.") The Pyrex language is used
19%
DNSSEC-aware DNS caching with Unbound
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Lead Image © Antonella Grandoni , Fotolia.com
are removed from DNS # answers. Additionally, the DNSSEC validator may mark the answers bogus. # This protects against DNS Rebinding private-address: 10.0.0.0/8 private-address: 172.16.0.0/12
19%
Guarding against social engineering attacks
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Photo by Benjamin Sow on Unsplash
interests." Figure 3, from the SEF website, lists the different attacks more succinctly. Another categorization [12] lists six principles used to take advantage of someone's good nature and their perfectly
19%
Discover system vulnerabilities and exploits
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Photo by Charles on Unsplash
: The focus is obviously not on testing server applications; it is on the very powerful tools for testing things like WiFi networks. An RPi4 can be used with a large power bank (about 20,000mAh) for quite
19%
GitLab for DevOps teams
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © maroti, 123RF.com
mechanisms with Helm charts [12] complete the solution. To familiarize yourself with the conventions and best practices of a GitLab CI pipeline, take a look at the Auto DevOps pipeline from the Git
19%
Useful tools for automating network devices
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
© Sila Nimkittikul, 123RF.com
functionality can be achieved with 20% of the code. Or to put this another way: NetBox does not offer every single function that may be desirable in the IPAM and DCIM context. Instead of PostgreSQL, an already
19%
Private cloud with Microsoft Azure Stack
02.03.2018
Home »  Archive  »  2018  »  Issue 44: Cloud...  » 
Lead Image © Mikko J. Pitkänen, Fotolia.com
, Huawei, and Lenovo. In the first version of July 2017, the available services are still manageable. Azure Stack could only be operated in one region and with a scale unit [1] that consisted of 4 to 12
19%
Efficiently planning and expanding the capacities of a cloud
02.03.2018
Home »  Archive  »  2018  »  Issue 44: Cloud...  » 
Lead Image © digifuture, 123RF.com
on to its customers. If you assume the ratio of CPU to RAM provided through corresponding hardware profiles is 1:4, a customer using 12 virtual CPU cores must add at least 48GB of memory. If five
19%
Persistent volumes for Docker containers
09.06.2018
Home »  Archive  »  2018  »  Issue 45: Autom...  » 
Photo by Alexander Redl on Unsplash
ESXi 6.0 or higher and Docker v1.12 or later. VMware recommends version 1.13, or 17.03 if you want to use the "managed plugin" – the variant from the Docker store. If this is the case, the plugin
19%
Let the hardware do the heavy lifting
09.06.2018
Home »  Archive  »  2018  »  Issue 45: Autom...  » 
Photo by Victor Freitas on Unsplash
the AES256-GCM-SHA128 cipher suit. The numbers we observed were astounding. The 100G network adapter with inline TLS delivered 98Gbps of Tx and Rx, with 20% CPU usage, whereas the same test without inline

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