Articles

Shape Shifter  

Grafana's Loki is a good replacement candidate for the Elasticsearch, Logstash, and Kibana combination in Kubernetes environments.

Screened  

The latest nftables packet filter implementation, now available in the Linux kernel, promises better performance and simpler syntax and operation.

Assembly Line  

If you are looking for a way to build images quickly and easily, FAI.me is the place to go.

Tune Up  

We discuss the possible bottlenecks in Fibre Channel storage area networks and how to resolve them.

A New Beginning  

If your Linux system is failing to boot, the dracut tool can be a convenient way to build a new ramdisk.

Behind Time  

The Google SchedViz tool lets you visualize how the Linux kernel scheduler allocates jobs among cores and whether they are being usurped.

Castling  

Ceph distributed storage and Kubernetes container orchestration come together with Rook.

Pass the Test  

Regular expressions are invaluable for checking user input, but a vulnerability could make them ripe for exploitation.

Ducks in a Row  

To reduce the possibility of disk thrashing, optimize your data cache through spatial locality and cache-friendly algorithms and utilize fully the data loaded from slower storage media before moving on.

Renovated  

ITIL version 4.0 has undergone a fundamental revision and is now headed into the age of the cloud and DevOps.