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13%
Secure containers with a hypervisor DMZ
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © lightwise, 123RF.com
. One well-known example comes from the field of networks, when securing a website with an application and database. A buffer zone, known as the demilitarized zone (DMZ) [3], has long been established
13%
Persistent storage management for Kubernetes
27.09.2021
Home »  Archive  »  2021  »  Issue 65: 7 Em...  » 
Photo by CHUTTERSNAP on Unsplash
), but not Kubernetes itself, supports. PVs now have many different storage classes in Kubernetes clusters, from local storage to storage attached with Network File System (NFS), iSCSI, or fibre channel to block storage
13%
Manage cluster state with Ceph dashboard
27.09.2021
Home »  Archive  »  2021  »  Issue 65: 7 Em...  » 
Lead Image © damedeeso,123rf.com
One criticism directed at software-based storage solutions is that they lack functional management tools. On the other hand, if you have ever dealt with typical storage area network (SAN) or network
13%
OPA and Gatekeeper enforce policy defaults in Kubernetes
27.09.2021
Home »  Archive  »  2021  »  Issue 65: 7 Em...  » 
Photo by Mac Gaither on Unsplash
with a built-in Bitcoin miner can already endanger the stability of a setup in terms of network and storage. The dangers of DIY images prove to be at least as great. "Works on my Macbook Air in VMware" has
13%
Getting started with Prometheus
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Photo by Clay LeConey on Unsplash
, network usage, and disk space. To begin, install it on the web app hosting machine: wget https://github.com/prometheus/node_exporter/releases/download/v1.2.2/node_exporter-1.2.2.linux-amd64.tar.gz -O node
13%
Incident Analysis with The Hive and Cortex
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Lead Image © Kurhan, 123RF.com
, manually create the network referenced in the Compose file and then start all the containers with the commands: docker network create proxy docker-compose up -d After starting Cortex, open the web
13%
Hardware MFA: Death to the password!
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © alphaspirit, 123RF.com
Before I begin, I'll explore why a change is needed: According to the Verizon 2013 Data Breach Report [1], weak or stolen credentials account for 76% of network intrusions, and more than 50% use some
13%
Puppet Bolt orchestration tool
02.08.2022
Home »  Archive  »  2022  »  Issue 70: Defen...  » 
Photo by lee junda on Unsplash
or orchestration of tasks. Admins benefit from the ability to run a script over any number of network nodes. Bolt uses plans that bundle the execution details. The focus is particularly on error handling
13%
Containers made simple
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Photo by Nathan Cima on Unsplash
and networks and for creating persistent volumes can be found in the menu on the left, but you don't have to use them. As your knowledge grows, you can create networks and storage volumes implicitly when you
13%
When are Kubernetes and containers not a sensible solution?
28.11.2022
Home »  Archive  »  2022  »  Issue 72: OpenS...  » 
Photo by Kelly Sikkema on Unsplash
in containers are connected to the local network, more doubts raise their ugly heads. Because containers are designed out of the box not to be bound to the IP addresses of the host system, Docker and others use

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