As the major Linux distributors increasingly lean toward containers, many administrators have come to realize that containers are by no means a panacea for all their problems.
Sensor tools can provide highly variable data from CPUs, GPUs, and a variety of sources. We look at some tools to verify the temperature of components on diverse hardware.
Now that web content is encrypted by HTTPS, the underlying name resolution is often unprotected. We look at the classic DNS protocol and investigate whether DNS over HTTPS could be the solution to ensure the confidentiality of DNS requests.
What a user is allowed to do in a program is usually defined by a role model, which often poses numerous challenges, especially in the cloud or for infrastructure as code. The free Open Policy Agent offers a flexible way to manage user rights.
The various components of cloud-native applications are always exchanging information, which makes troubleshooting difficult. The Jaeger tracing framework helps hunt down the perpetrators.
