Trouble installing PostgreSQL

[Ryan Schmidt]

On Dec 9, 2012, at 22:20, Alejandro Imass <aimass at yabarana.com> wrote:

> On Sun, Dec 9, 2012 at 10:29 PM, Behrang Saeedzadeh <behrangsa at gmail.com> wrote:
>> This is happening on Mountain Lion. After installing postgresql92-server, I
>> followed the instructions and I am getting this error:
>> 
> 
> remove it and use these 2 commands _before_ trying install again
> 
> sudo sysctl -w kern.sysv.shmmax=1073741824
> sudo sysctl -w kern.sysv.shmall=1073741824

What does that do?

I was recently able to get postgresql92-server up and running on Mountain Lion without having to do that.