Systemd-boot: Difference between revisions

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'''gummiboot''' is an [[open-source]] [[boot loader]] for systems using the [[Unified Extensible Firmware Interface]] (UEFI). Developed by the [[Red Hat]] employees [[Kay Sievers]] and [[Harald Hoyer]], it is intended to be a minimal alternative to [[GNU GRUB]] that "just works": it automatically detects bootable images (including [[Linux kernel]] images, [[operating system]]s, and other boot loaders), does not require a configuration file, provides a basic menu-based interface, and can also integrate with [[systemd]] to provide performance data. Its name, as a [[word play]], means [[inflatable boat]] in [[German language|German]], which is native language of the initial developers.<ref name="theh-gummi" />

gummiboot is licensed under version&nbsp;2.1 of the [[GNU Lesser General Public License]], unlike GRUB which is licensed under the [[GNU General Public License version 3]] (GPL&nbsp;v3). This distinction is intended to allow gummiboot to be suitable for use on UEFI systems implementing "secure boot",<ref name=theh-gummi>{{cite web|title=Gummiboot is an EFI boot loader that "just works"|url=http://www.h-online.com/open/news/item/Gummiboot-is-an-EFI-boot-loader-that-just-works-1628719.html|publisher=The H|accessdate=11 September 2012}}</ref> due to concerns surrounding its requirement to distribute all authorization keys ([[digital certificate]]s) needed to run GPL-v3-licensed software if [[hardware restrictions]] such as secure boot are in effect.<ref name=lwn-efilinux>{{cite web|title=Ubuntu details its UEFI secure boot plans|url=http://lwn.net/Articles/503803/|publisher=Linux Weekly News|accessdate=11 September 2012}}</ref>