[squeak-dev] How to switch vm's
Levente Uzonyi
leves at elte.hu
Sat Apr 24 18:27:37 UTC 2010
On Sat, 24 Apr 2010, Chris Muller wrote:
> I need to go back to the 3.10-4 vm to do some profiling. I have two
> VM's installed on my Ubuntu server linux box; 3.10-4 and the new
> 4.0.3-2202.
3.10-4 will give you different results than the closure vms.
>
> Before, I used to just have a soft-link named /usr/local/bin/squeak
> pointing to /usr/local/lib/squeak/3.10-4/squeak, and that is how I
> would switch VM's; by repointing the soft link.
>
> However, the new vm creates a binary file named /usr/local/bin/squeak
> which, performs some Linux magic of which I am not familiar.
That's a shell script, not a binary. The binary is squeakvm.
>
> To attempt to switch back to the old vm, I renamed
> /usr/local/bin/squeak to /usr/local/bin/squeak.renamed and
> /usr/local/bin/squeak.sh to /usr/local/bin/squeak.sh.renamed.
>
> BTW, what is squeak.sh?
It's a script for starting squeak from GUI's:
"Launch squeak from a menu, prompting for and/or installing an image"
>
> I then created a softlink to the old executable:
>
> ln -s ../lib/squeak/3.10-4/squeak squeak
>
> Unfortunately, when trying to launch the vm:
>
> squeak -version
>
> I get:
>
> SQUEAK_ENCODING='UTF8'
> SQUEAK_PATHENC='UTF8'
> +exec: 1: : Permission denied
That looks like the output of the shell script of recent vms.
>
> I really need to switch VM's (temporarily). Any assistance is greatly
> appreciated.
Why don't you use absolute path?
/usr/local/lib/squeak/3.10-4/squeak -your-options your.image
Levente
>
> - Chris
>
>
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