Check out Hans' "Anatomy of the command line" talk that he gave at
SCaLE. It will show you in detail why that didn't work.... you'll learn
a lot. It's at: https://www.youtube.com/watch?v=Yx_dCte3dEE
As for setting the swappiness permanently create and edit
/etc/sysctl.d/10-swappiness.conf, it probably won't exist by default.
Then put a single like it that is:
vm.swappiness=10
If you want your swappiness set to 0, just change the 10 to 0
Brian Cluff
On 03/01/2016 06:26 AM, Michael wrote:
I understand. The computer would not allow me to use sudo with redirection .
On Tue, Mar 1, 2016 at 1:09 AM, Michael <[email protected]
<mailto:[email protected]>> wrote:
fyi: when I attempted to save it in gedit it gave me the permission
denied error.
On Tue, Mar 1, 2016 at 1:08 AM, Michael <[email protected]
<mailto:[email protected]>> wrote:
What am i doing incorrectly?
$ sudo cat /proc/sys/vm/swappiness
60
bmike1@MikesBeast ~ $ sudo cat 30>> /proc/sys/vm/swappiness
bash: /proc/sys/vm/swappiness: Permission denied
bmike1@MikesBeast ~ $ sudo gedit
bmike1@MikesBeast ~ $ sudo gedit /proc/sys/vm/swappiness
** (gedit:10639): WARNING **: Hit unhandled case 13 (Error
writing to file: Invalid argument) in parse_error.
** (gedit:10639): WARNING **: Hit unhandled case 13 (Error
writing to file: Invalid argument) in parse_error.
bmike1@MikesBeast ~ $ sudo cat >> /proc/sys/vm/swappiness<<eof
> 1
> eof
bash: /proc/sys/vm/swappiness: Permission denied
bmike1@MikesBeast ~ $ sudo cat >> /proc/sys/vm/swappiness<<eof
1
eof
^C
bmike1@MikesBeast ~ $ sudo cat /proc/sys/vm/swappiness
1
WHATEVER! lol
On Tue, Mar 1, 2016 at 12:43 AM, Michael <[email protected]
<mailto:[email protected]>> wrote:
have a desktop. in any case I searched google this swapiness
question and here is what it says:
"
After rebooting the swappiness is set to 10. This can be
checked by
running the following command in a terminal: sudo cat
/proc/sys/vm/swappiness.
The swap tendency can have a value of 0 (fully off) to 100
(swap is constantly used).
A workable and practical rule for changing the swappiness
can be:
1 GB or more RAM: 10
Less than 1 GB of RAM: 1
_*Tip:*_
Your computer has less than 512 MB of RAM? Try to change
the swap tendency to 0 (zero). With lower amount of memory
installed, this might even give a better result then
changing the swap tendency to 1.
"
Why is 0 better than 1?
On Tue, Mar 1, 2016 at 12:38 AM, Kevin Fries
<[email protected] <mailto:[email protected]>> wrote:
Linux is not Windows. Linux can, and will run without
using swap if it can. Linux will remain RAM resident
unless it has to. So, what they are telling you is
this... If you don't need swap, don't define it.
There is one exception to this rule, since you are using
a laptop. There are two instant on technologies, sleep
and hibernate. One of the will stash the state to RAM,
the other to swap. I forget which is which. But if it
needs to go to swap, you will need a swap file equal to
RAM if you use that feature.
Kevin
On Feb 29, 2016 10:32 PM, "Michael" <[email protected]
<mailto:[email protected]>> wrote:
swapiness=..... 0? Remember; I am computer-illiterate!
On Mon, Feb 29, 2016 at 11:47 PM, Todd Millecam
<[email protected] <mailto:[email protected]>> wrote:
Disable swap. Never activate it on boot. If
you start reaching oom conditions, turn it back on.
On Mon, Feb 29, 2016 at 9:38 PM, Michael
<[email protected] <mailto:[email protected]>> wrote:
What do you recommend you reduce swapiness
to for machines that have plenty of memory
that will probably never be filled?
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