Renamed the link in site/docs/index.md because the new name is GNU+Linux guides
Also added information about Magic SysRq keys. in sites/doc/gnulinux/index.md
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---
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title: GNU+Linux installation guides
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title: GNU+Linux guides
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x-toc-enable: true
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...
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@ -47,3 +47,21 @@ directory.
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TODO: Nuke *all* distro-specific guides on libreboot.org. Instead, move these
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instructions to the wiki pages of these projects, on their websites. The reasons
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are explained in the above issue page.
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Rebooting system in case of freeze
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===================================
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Linux kernel has a feature to do actions to the system any time, even
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with it freezes, this is called a
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[Magic SysRq keys](https://en.wikipedia.org/wiki/Reisub). You can do these
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actions with Alt + Sysrq + Command. These are the actions:
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* Alt + SysRq + B: Reboot the system
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* Alt + SysRq + I: Send SIGKILL to every process except PID 1
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* Alt + SysRq + O: Shut off the system
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If some of them don't work, you have to enable it in the kernel
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command line paramter. So append `sysrq_always_enabled=1` to your
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`GRUB_CMDLINE_LINUX_DEFAULT` in `/etc/default/grub`
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You can also run `# sysctl kernel.sysrq=1` to enable them.
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@ -15,10 +15,10 @@ Installing libreboot
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- [What systems can I use libreboot on?](hardware/)
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- [How to install libreboot](install/)
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Installing operating systems
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Documentation related to operating systems
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============================
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- [How to install GNU+Linux on a libreboot system](gnulinux/)
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- [GNU+Linux Guides](gnulinux/)
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- [How to install BSD on a libreboot system](bsd/)
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Information for developers
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