Spacewalk is open-source systems management software for system provisioning, patching and configuration licensed under the GNU GPLv2. The project was discontinued on 31 May 2020 with 2.10 being the last official release. SUSE forked the spacewalk code base in 2018 with uyuni-project Overview Features Spacewalk encompasses the following functions: Systems Inventory (Hardware and Software) System Software Installation and Updates Collation and Distribution of Custom Software Packages into Manageable Groups System provisioning (via Kickstart) Management and deployment of configuration files Provision of virtual Guests Start/Stop/Configuration of virtual guests OpenSCAP Auditing of client systems Architecture Spacewalk Server: Server represents managing System It is possible to set up primary and worker servers, and even a tree setup is possible There are options for geographically remote proxy servers Spacewalk Client: A system managed by a Spacewalk server Compatible Client OS's are drawn from: Red Hat Enterprise Linux (RHEL) CentOS Fedora Scientific Linux Oracle Linux (OL) SUSE Linux Enterprise Server (SLES) openSUSE Solaris – limited and deprecated support Debian – limited support Spacewalk is controlled by the following Interfaces: web interface, Used for most interactions CLI (Command-line interface), Used for some specific operations XML-RPC API, programmatic interface for specialist/development use Subscription Management: Particular upstream and downstream versions may include integration to supported vendor subscription support network such as Red Hat Subscription Management (RHSM), ULN, and SUSE Enterprise Linux Server subscriptions. Backend Database: While formerly requiring the commercial Oracle Database as a backend, version 1.7 (released in March 2012) added support for PostgreSQL. Upstream and downstream versions A number of DownStream versions use upstream Spacewalk version as the basis of their System Provision, patch and errata management: Red Hat Satellite 5.x Oracle's "Spacewalk for Oracle® Linux" SUSE Manager Server Support for particular client OSes, server OSes, system architectures, backend databases, and subscription services varies between versions and releases. Oracle Spacewalk Oracle introduced their own version of Spacewalk particularly to provide a familiar alternative for those switching from a different vendor while Oracle Enterprise Manager remains Oracle Corporation's preferred way of managing systems. Spacewalk for Oracle® Linux is designed to be hosted on Oracle Linux (OL). The about section of the release notes in Oracle Spacewalk 2.x Documentation indicate only minor branding changes and changes for GPG keys Red Hat Satellite 5 Red Hat Satellite 5 is a licensed downstream adaption of Spacewalk with added functionality to manage Red Hat Enterprise Linux Subscriptions. In the active years