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New Filter  

The netfilter layer is not getting any younger, and the iptables interface doesn't exactly impress with user friendliness. Bpfilter is the latest chance for Linux to adopt a state-of-art packet filter.

Arithmetic Artist  

The free R programming language and software environment for statistical computing and graphics is well supported, has great flexibility, and is easily automated.

Safe Harbor  

A scripted approach lets you know when to update your Docker containers.

Secure Containers  

Anchore produces a detailed analysis of your container images for known vulnerabilities in your application and operating system packages.

Horsepower  

If a web application delivers its pages too slowly, users quickly move on. Varnish Cache lets you hitch more horses to the cart.

Prime Numbers  

The new PHP 7.3 simplifies string handling, supports PCRE version 2, adds LDAP controls, improves logging, and deprecates some features, functions, and syntax elements.

Line Chatter  

We explore the most chic terminal graphics in network performance tools.

Cover Your Tracks  

The Nikto scanner performs multiple comprehensive tests against web servers.

Something Else  

Many admins consider Kubernetes the obvious choice for managing containers; however, don't ignore the highly efficient alternatives just because they are less prominent.