[Bglug] Group Digest, Vol 3, Issue 6 - Thank you
pjr at bmts.com
Wed Jun 10 19:37:40 EDT 2015
Thanks William. I guess that's why I try and do the cut and paste rather
Using the key combination Alt + SysRq, and while holding these keys
down, press these keys in sequence with a delay of several seconds
between each key press r e i s u b
Two things are infinite: the universe and human stupidity; and I'm not sure about the the universe. - Albert Einstein
On 06/10/2015 12:00 PM, group-request at bglug.ca wrote:
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> Today's Topics:
> 1. Something i learned today ... (Peter)
> 2. Talos Principle Solution (Peter)
> 3. Re: Something i learned today ... (Andrew Howlett)
> 4. Re: Something i learned today ... (William Park)
> Message: 1
> Date: Tue, 09 Jun 2015 22:16:49 -0400
> From: Peter <pjr at bmts.com>
> To: group at bglug.ca
> Subject: [Bglug] Something i learned today ...
> Message-ID: <55779E11.3010607 at bmts.com>
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> There is magic on the keyboard - incarnated in the SysRq (i think this
> stands for system request, long thought to be a holdover from the
> begining of time).
> You can use it, along with others to get messages to the kernel, if it
> hasn't panicked; for example when GoogleEarth locks up the X-Server and
> your screen transitions from the desert of Nevada to all black as just
> happened to me.
> Using the key combination Alt + SysRq, and while holding these keys
> down, press these keys in sequence with a delay of several seconds
> between each key press r e i s b
> "Cleanly Restarting Your System
> Used in sequence, some of these actions can be used to cleanly
> end processes, flush data to disk, unmount all file systems, and
> restart your computer. To perform this process, press and hold
> the Alt + SysRq key combination and ? while holding the Alt and
> SysRq keys down ? type the following keys in order, pausing for
> several seconds in between each key:
> The mnemonic ?*R*aising *E*lephants *I*s *S*o *U*tterly
> *B*oring? is often used to remember this sequence. Here?s what
> each key does:
> * *r* ? Puts the keyboard into raw mode, taking control of it
> away from the X server.
> * *e* ? Sends the terminate signal to all processes, asking
> them to end gracefully.
> * *i* ? Sends the kill signal to all processes, forcing them
> to end immediately.
> * *s* ? Flushes data from your cache to disk.
> * *u* ? Remounts all file systems read-only.
> * *b* ? Reboots your computer.
> Here is the link to the full document of Alt+SysRq's many charms and spells:
> There's always something new to discover!
> Peter Richards
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