[clug-talk] OT: Help me pick my hardware

Gustin Johnson gustin at meganerd.ca
Thu Mar 29 15:29:17 PDT 2012


Glad it works!  Now I get what you were trying to do, it did not make sense
to me before.  As William said /sys should not actually write anything out
to disk.

If you get curious, the Voyage distro I use is just Debian under the hood,
with some customizations to have it run read-only by default.  You might be
able to adapt their customizations.  It is also tiny since there is no GUI
by default.  The magic that The only downside is that it is x86/x86_64 only.

I have also run Ubuntu from a USB flash drive, I used ext2 as the file
system and did not use a swap partition (on the flash drive anyway).  I
retired the computer before the flash drive wore out (it held the OS of my
file server at home for a couple of years).

Sorry I was not of more help sooner.

On Thu, Mar 29, 2012 at 1:38 PM, Royce Souther <osgnuru at gmail.com> wrote:

> /sys is needed for CentOS to use LVM. My older Debian did not work this
> way but CentOS 6.2 does. I may have been using LVM1 and now it is LVM2,
> that could be the difference.
>
> Gustin was right, I was wrong.
>
> Using /sys again.
>
>
> On Thu, Mar 29, 2012 at 10:19 AM, William Astle <lost at l-w.ca> wrote:
>
>> On 12-03-29 10:12 AM, Royce Souther wrote:
>>
>>> I want to remove /sys to reduce the write cycles to the USB memory
>>> stick. On a server I don't need the OS loading some driver for the sound
>>> card or 3D video acceleration to constantly be writing to the /sys. Not
>>> needed on a server, don't care if pulsaudio crashes trying to load,
>>> probably going to chmod 000 it to stop it from trying. Can't remove
>>> pulsaudio, dependencies will remove have of Gnome and the tools I do
>>> need.
>>>
>>
>> Under normal operations, you should have sysfs mounted on /sys. sysfs is
>> a virtual file system which means as long as it is mounted properly, you
>> will not get any writes to your USB stick. If you are getting writes to the
>> USB stick when something writes in /sys, you don't have sysfs mounted.
>>
>>
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>
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