https://k2.ixota.com/index.php?action=history&feed=atom&title=Linux%2Fsysrq 2026-06-26T10:48:05Z Revision history for this page on the wiki MediaWiki 1.33.1 https://k2.ixota.com/index.php?title=Linux/sysrq&diff=4434&oldid=prev 2017-08-31T15:43:27Z

<p>Created page with &quot;== Emergency Reboot == &lt;pre&gt; echo 1 &gt; /proc/sys/kernel/sysrq echo b &gt; /proc/sysrq-trigger &lt;/pre&gt; synonymous with holding down Alt-SysRq and another key on older keyboards...&quot;</p> <p><b>New page</b></p><div>== Emergency Reboot ==<br /> <br /> &lt;pre&gt;<br /> echo 1 &gt; /proc/sys/kernel/sysrq <br /> echo b &gt; /proc/sysrq-trigger<br /> &lt;/pre&gt;<br /> <br /> synonymous with holding down Alt-SysRq and another key on older keyboards<br /> <br /> Dropping 1 into /proc/sys/kernel/sysrq tells the kernel that you want to enable SysRq access (it’s usually disabled).<br /> <br /> The second command is equivalent to pressing Alt-SysRq-b on a QWERTY keyboard.<br /> <br /> If you want to keep SysRq enabled all the time, you can do that with an entry in your server’s sysctl.conf:<br /> kernel.sysrq = 1<br /> <br /> Ref: Linux: emergency reboot or shutdown with magic commands - major.io - https://major.io/2009/01/29/linux-emergency-reboot-or-shutdown-with-magic-commands/<br /> <br /> == Emergency Shutdown ==<br /> <br /> echo 1 &gt; /proc/sys/kernel/sysrq <br /> echo o &gt; /proc/sysrq-trigger</div>

Kenneth