Learn how to redact text in a PDF on Linux with Docker using GroupDocs.Redaction for .NET 26.9 and .NET 10. The sample uses ExactPhraseRedaction to cover a phrase with a black box and shows how to run it from Visual Studio or the Docker command line.
GroupDocs.Redaction for .NET 26.9 – September 2026 Release Notes
GroupDocs.Redaction for .NET 26.9 completes the move away from System.Drawing and improves cross-platform support for Linux and other supported operating systems.
Signing in a Linux Container: Fonts, Glyphs and Working Dockerfiles
GroupDocs.Signature does not substitute a missing font: name a family the image does not have and the call raises an error instead of falling back. Since the .NET runtime image ships zero fonts, a text signature fails there until you add a font layer. This article compares the fontless image with the fixed one and shows how to resolve a family at run time.
GroupDocs.Viewer for Python 25.12 – December 2025 Release Highlights
Version 25.12 introduces native Linux support, broadens Python compatibility to 3.5‑3.13, and provides refreshed documentation and standalone example scripts.
How to Install and Use GroupDocs' Online Document Viewer Plugin for Alfresco on Linux
Let me show you how to install and use GroupDocs online document viewer plugin for Alfresco CMS on Linux.
Requirements Java jdk Java jre Alfresco GroupDocs Viewer plugin Apache Tomcat PostGRE SQL Preparation First of all, you should have Alfresco CMS installed in your machine. Download and install a community version if you don’t have one already. Alfresco is a Java CMS, so we need Apache tomcat and PostGRE SQL installed.
