Mounting ISO

[Tony Pursell]

On Sun, 2011-01-23 at 09:42 -0500, A. Jorge Garcia wrote:
> On 01/23/2011 07:13 AM, A. Jorge Garcia wrote:
> >> Jorge, hold on first, you mentioned puppy linux.. my experience with
> > puppy
> >> is not so good, for a few good reasons, the one (out of many)
> > pertinent to
> >> you is that it chews up some partition for itself; some people call
> > it the
> >> 'swap', but I think it uses the chewed partition like the
> > 'persistent-rw'
> >> for keeping any changes. So I had not tried puppy for many years.
> >
> > Well, I do not usually use Puppy Linux, but the SAGE folks seem to 
> like
> > it.  I tried booting the CD a few times and it seems to work OK 
> without
> > messing up any existing partitions. I do have a 512MB swap partition 
> on
> > each box.  BTW, we have 25 dual-core 64bit Athlons.
> 
> > As long as you do not 'save session' when shutting down, I think it 
> will
> > be okay and puppy will not chew up your partition, but it is 
> something
> > to watch out for.
> 
> > Another more serious concern for you, as you let lots of others to
> > access your computer is that they will have access to your other
> > partitions and hard disks as well; and the fact that when they do 
> that
> > with puppy, they are logged in effectively as root and I think it is
> > something which I will never find acceptable.
> 
> Puppy users are root by default?  That's really odd!  Is there some way 
> to use the SAGE binary as if it were an ISO instead?  I assume that the 
> binary is meant to be used to install a dedicated server, right?  The 
> problem is that I do not have extra hardware for that at the moment, 
> although that probably should be my ultimate goal.  The only problem is 
> that I've heard people telling some horror stories on the sage-edu, 
> sage-support and sage-devel google groups when they didn't compile from 
> source when installing a local SAGE server.
> 
> You know, that's one thing that I've found odd about Ubuntu as well.  
> The user you create when installing Ubuntu is efffectively root.  At 
> least you still have to provide a passwd to change any important 
> settings.  However, for my student boxes, I had to make a bogus user 
> account (shadowfax) and not give out the passwd as I do not want them 
> to have root access.  This setup requires me to setup each box so it 
> boots straight to the desktop without a login screen which I don't care 
> for either, but its the lesser of 2 evils!
> 

All is explained in

man sudo

Tony