Articles
Rebuilding the Linux ramdisk
If your Linux system is failing to boot, the dracut tool can be a convenient way to build a new ramdisk.
Monitor and optimize Fibre Channel SAN performance
We discuss the possible bottlenecks in Fibre Channel storage area networks and how to resolve them.
Optimally combine Kubernetes and Ceph with Rook
Ceph distributed storage and Kubernetes container orchestration come together with Rook.
Hybrid public/private cloud
Extending your data center temporarily into the cloud during a customer rush might not be easy, but it can be done, thanks to Ansible's Playbooks and some AWS scripts.
Regular expression security
Regular expressions are invaluable for checking user input, but a vulnerability could make them ripe for exploitation.
Transparent SIP communication with NAT
We show you how to secure transparent IP address transitions through NAT firewalls and gateways for Voice over IP.
Build operating system images on demand
If you are looking for a way to build images quickly and easily, FAI.me is the place to go.
Central logging for Kubernetes users
Grafana's Loki is a good replacement candidate for the Elasticsearch, Logstash, and Kibana combination in Kubernetes environments.
Linux nftables packet filter
The latest nftables packet filter implementation, now available in the Linux kernel, promises better performance and simpler syntax and operation.
Prowling AWS
Prowler is an AWS security best practices assessment, auditing, hardening, and forensics readiness tool.
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