On Sat, 7/23/16, Robert Storey <[email protected]> wrote:

 Subject: Re: [DNG] F1 and special usernames on the login screen
 To: [email protected]
 Date: Saturday, July 23, 2016, 10:02 AM
 
golinux said:

>> Thanks for reminding me about reisuo/b. Is reisuo/b really enabled on devuan 
>> by 
>> default?  Seems like I tried it a while back and it didn't work.  So I 
>> checked 
>> /etc/sysctl.conf and the line needed wasn't there (neither was there any 
>> other
>> uncommented line).  So my question is . . . if reisuo/b is enabled by 
>> default in 
>> devuan is it located elsewhere and does kernel.sysrq = 1 work for both 
>> reisuo and 
>> reisub?  Or are they different?  (A quick search has me thinking that one 
>> line works 
>> for both.)
>
> Hi golinux,
> 
> Alt-reisub/o seems to be working for me, and I didn't do anything to enable 
> it.
> 
> If you look in /etc/sysctl.d there is a file README.sysctl which basically 
> says you can create and name config files in this directory just about 
> anything. Here are the notes which I've kept for Ubuntu from back in the 
> pre-systemd days:
> 
> -----------------
> 
> open sysctl.d using 'open as root'
> edit 10-magic-sysrq.conf
> comment out the ridiculous default, replace it with the code to allow all 
> sensible 'magic' keys
> ("1 - enable all functions of sysrq". You might like to give it extra 
> thought. I don't.)
> CODE: SELECT ALL
> #kernel.sysrq = 127
> kernel.sysrq = 1
> 
> save it, and remember to come out of elevated priviledges.
> 

--------------------------------------------

Thanks, Robert . . .

I was grokking your suggestion till I got to the Ubuntu notes. The only file in 
the sysctl.d on Devuan is the README.sysctl.  And grep couldn't find 
10-magic-sysrq.conf so I just put the needed line into sysctl.conf.  I haven't 
tested it but reisub/o should be good to go now.

Cheers!

golinux

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