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Pass the Test

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

Number, Please

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We show you how to secure transparent IP address transitions through NAT firewalls and gateways for Voice over IP.

On the DVD

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OpenSUSE Leap is a community distribution that shares a common code base with SUSE Linux Enterprise (SLE) and coordinates with SLE releases (i.e., SLE is also in version 15).

Welcome

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Education is important, but is it important in technology-related fields? The widely held opinion is that education is not as important for techies.

Tech News

In the news: Canonical now offers an Ubuntu Pro image for AWS; Vulnerable Docker instance sought out by Monero malware; Cumulus Networks enhances their network-specific Linux; and SUSE adds SUSE Linux Enterprise to the Oracle Cloud Infrastructure.

Assembly Line

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

Kicking It Into Overdrive

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With the dm-writecache Linux kernel module, you can gain a noticeable improvement in random write throughput when writing to slower disk devices.

Shape Shifter

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

Screened

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

Snooping Around

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Prowler is an AWS security best practices assessment, auditing, hardening, and forensics readiness tool.

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