Am 25.02.2015 um 15:35 schrieb Ali AlipourR:
Why sysrq is limited to only "sync" command on official fedora kernel?The kernel itself isn't limited. It's just set that way in /usr/lib/sysctl.d/50-default.conf which is provided by systemd. You can edit that file, create your own in /etc/sysctrl.d/, or (as root) set it to whatever you would like via /proc/sys/kernel/sysrq.Of course it can be changed at runtime, but I mean why official fedora kernel shouldn't be configured to allow all (or at least a wider subset) of sysrq commands by default? This way official fedora live CDs are unsuitable for system recovery tasks; you have to change sysrq value every time you use live CDs or build your own live CD
it is nothing someone is using regulary and that settings are security settings recommended by most auditing tools
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