[mythtv-users] Carbon Footprint
Michael
mythtv at blandford.net
Thu Aug 29 15:29:49 UTC 2013
On 08/29/2013 08:27 AM, Daryl McDonald wrote:
>
>
>
> On Thu, Aug 29, 2013 at 11:11 AM, Michael <mythtv at blandford.net
> <mailto:mythtv at blandford.net>> wrote:
>
> On 08/29/2013 07:59 AM, Daryl McDonald wrote:
>
>
> Of the three commands the first one gets no complaint, with
> the second attempt I did add the "sudo" preface and still I'm
> denied:
>
> daryl at daryl-A780L3C:~$ SECS=`date -u --date "2013-08-29
> 10:50:00" +%s`
> daryl at daryl-A780L3C:~$ sudo echo 0 > /sys/class/rtc/rtc0/wakealarm
> bash: /sys/class/rtc/rtc0/wakealarm: Permission denied
> daryl at daryl-A780L3C:~$ sudo echo $SECS >
> /sys/class/rtc/rtc0/wakealarm
> bash: /sys/class/rtc/rtc0/wakealarm: Permission denied
>
> See! I remain open to suggestions.
>
>
>
> This is because the echo is running as root, but the redirect is
> not, hence the permission denied. If you want to use sudo you
> would need to do something like:
>
> sudo sh -c 'echo 0 > /sys/class/rtc/rtc0/wakealarm'
>
> Or just become root and run the command.
>
> Michael
>
>
> _______________________________________________
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>
>
> My son warned me about becoming root, I am still quite a newbie, and
> it shows, below is what happened when I tried the first option:
>
> daryl at daryl-A780L3C:~$ SECS=`date -u --date "2013-08-29 11:45:00" +%s`
> daryl at daryl-A780L3C:~$ sudo sh -c echo 0 > /sys/class/rtc/rtc0/wakealarm
> bash: /sys/class/rtc/rtc0/wakealarm: Permission denied
> daryl at daryl-A780L3C:~$ sudo sh -c echo $SECS >
> /sys/class/rtc/rtc0/wakealarm
> bash: /sys/class/rtc/rtc0/wakealarm: Permission denied
> daryl at daryl-A780L3C:~$
>
> I'm still looking at bricks, this shouldn't be that complicated,
> should it?
>
> Daryl
>
>
You seem to be missing the ' marks before the echo and at the end of the
line.
Michael
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