Tutorials

Multi-stage Docker image builds, minimizing final image size, supporting multi-architecture containers

(Sun Oct 20 2024 00:00:00 GMT+0300 (Eastern European Summer Time)) Docker supports creating images/containers for (almost) every CPU architecture. But, the image build workflow differs based on the architecture. We discuss one way to handle building Docker images across platforms while minimizing the resulting image size.

Self-hosted metasearch engine protects against tracking from Google, Bing, etc

(Wed Jul 13 2022 00:00:00 GMT+0300 (Eastern European Summer Time)) Are you worried that Google/Bing/etc know too many details about you? These companies collect data about us, to then sell advertising targeting us. This can be avoided using search tools that protect privacy. One, SearXNG, is an open source metasearch engine that guarantees complete anonymity.

Self-hosted DMARC report viewer to aid your anti-SPAM effort

(Tue Jul 12 2022 00:00:00 GMT+0300 (Eastern European Summer Time)) DMARC is an important tool for websites that send e-mails to do so legitimately. Implementation requires catching e-mails containing DMARC reports then using a tool to parse/summarize/report on their content. We look at a simple DMARC reporting tool that is easily deployable using Docker.