Articles
Thrashing the data cache for fun and profit
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.
Credential harvesting at the network interstice
To thwart credential harvesters at the network interstice, you must understand how attackers exploit browser transactions.
Google Cloud Storage for backups
We compare Google Cloud Storage for Internet-based backups with Amazon S3.
Enlarging the TCP initial window
Linux on-board resources let admins open the floodgates for high-volume TCP packages.
Manage OpenVPN keys with Easy-RSA
The Easy-RSA tool that comes with OpenVPN provides trouble-free open source PKI management.
The new OpenShift version 4
Red Hat launched the brand new OpenShift 4 with a number of changes that might suggest upgrading or even getting your feet wet if you've stayed out of the pool so far.
OCI containers with Podman
The Podman alternative to Docker is a daemonless container engine with a run time that executes on request in root or user mode.
Protect Azure resources with Network Security Groups
Security segmentation into zones has long been the norm in data centers. Microsoft Azure Network Security Groups offers this kind of granular defense-in-depth security, including multilevel configuration of access rules.
Troubleshooting and analyzing VoIP networks
A special VoIP analyzer lets you control the available bandwidth and quality of voice transmission by monitoring relevant network parameters.
Getting started with the Apache Cassandra database
The open source Apache Cassandra database claims to be fail-safe, economical, highly scalable, and easy to manage. A few exercises show whether it lives up to its advertising.
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