They both work, however the second one is simpler and all fits on one
line. The << eof method is best used when you have multiple lines you
want to add to a file or when you have a bunch of characters what you
would otherwise need to escape.
Brian Cluff
On 01/05/2016 12:03 PM, Michael Havens wrote:
> so my other command:
>
> #adjust where pictures are stored
> sudo cat >> /etc/fstab << eof
> /media/bmike1/entertainment/Pictures /home/bmike1/Pictures none bind 0 0
> eof
>
> should be:
>
> echo /media/bmike1/entertainment/Pictures /home/bmike1/Pictures none
> bind 0 0 >>/etc/fstab
>
> ????
>
> On Tue, Jan 5, 2016 at 1:55 PM, Brian Cluff <brian@snaptek.com
> <mailto:brian@snaptek.com>> wrote:
>
> You are trying to write "vm.swappiness=10" directly to the
> swappiness settings.
> If that is what you are trying to do, do it like this:
>
> echo 10 >/proc/sys/vm/swappiness
>
> I suspect that what you really want to do is write it to a config
> file so that it is automatically set every time you boot. In that
> case do:
>
> echo vm.swappiness=10 >/etc/sysctl.d/99-swappiness.conf
> sysctl -p /etc/sysctl.d/99-swappiness.conf
>
> The last line just loads the settings, you could also just reboot.
>
> Brian Cluff
>
>
> On 01/05/2016 11:26 AM, Michael Havens wrote:
>> I have a small copy n paste txt file for when my hard drive fails
>> (hopefully in the distant future) so I can get my new hard drive
>> up and running again as closely similar to the previous drive as
>> possible.
>> I made the one command up myself and just discovered it does not
>> work. That command is:
>> # Reduce the swap tendency
>> cat >> /proc/sys/vm/swappiness <<eof
>> > vm.swappiness=10
>> eof
>>
>> with the error of:
>>
>> cat: write error: Invalid argument
>>
>> I have a similar
>>
>> sudo cat >> /etc/fstab << eof
>> /media/bmike1/entertainment/Pictures /home/bmike1/Pictures none
>> bind 0 0
>> eof
>>
>> which I do not believe was implemented correctly as when I
>> inspect 'mount' there does not appear to be the entertainment
>> directory or pictures directories listed anywhere. So I suppose
>> it is wrong then....
>>
>>
>> --
>> :-)~MIKE~(-:
>>
>>
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>
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>
>
> --
> :-)~MIKE~(-:
>
>
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