Articles
Quick UDP Internet connections
The UDP-based Quick UDP Internet Connections (QUIC) protocol comes with mandatory TLS encryption and promises faster speeds.
DNS name resolution with HTTPS
Now that web content is encrypted by HTTPS, the underlying name resolution is often unprotected. We look at the classic DNS protocol and investigate whether DNS over HTTPS could be the solution to ensure the confidentiality of DNS requests.
SoftEther VPN software
SoftEther is lean VPN software that outpaces the current king of the hill, OpenVPN, in terms of technology and performance.
Alternative virtualization solutions when OpenStack is too much
OpenStack is considered the industry standard for building private clouds, but the solution is still far too complex and too difficult to maintain and operate for many applications. What causes OpenStack projects to fail, and what alternatives do administrators have?
IAM for midmarket companies
We look at the role of identity and access management in midmarket organizations.
System temperature as a dimension of performance
Sensor tools can provide highly variable data from CPUs, GPUs, and a variety of sources. We look at some tools to verify the temperature of components on diverse hardware.
Versioned backups of local drives with Git
Versioning is a recommended approach to back up files as protection against hardware failures and user errors. To create versioned backups, you can use established backup programs or an open source tool that originates from the developer world: Git.
Encrypt and decrypt files with Age or Rage
Age and Rage are the Go and Rust implementations of a simple, modern, and secure file encryption tool.
When are Kubernetes and containers not a sensible solution?
As the major Linux distributors increasingly lean toward containers, many administrators have come to realize that containers are by no means a panacea for all their problems.
Network monitoring with Zeek
Zeek offers an arsenal of scripts for monitoring popular network protocols and comes with its own policy scripting language for customization.
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