Re: Re[3]: [HACKERS] Re: [PATCHES] A patch for xlog.c

[The Hermit Hacker]

On Tue, 27 Feb 2001, Peter Eisentraut wrote:

> The Hermit Hacker writes:
>
> > I don't ... I personally admin FreeBSD and Solaris boxen ... FreeBSD,
> > first step is to always recompile the kernel after an install, to get rid
> > of crud and add Shared Memory ... the Solaris boxes, you add a couple of
> > lines to /etc/system and reboot, and you have Shared Memory ...
> >
> > I don't know about other 'commercial OSs', but I'd be shocked if a Linux
> > admin never does any kernel config cleanup befor egoing production *shrug*
>
> Linux allows you to load and unload kernel modules, while the system is
> running, to add and remove stuff as you need it.  But this is moot because
> Linux also allows you to increase shared memory (up to the total
> addressable memory)  while the system is running.  Recompiling Linux
> kernels is a thing of the past with modern distributions.

Actually, just found that out for FreeBSD too *sigh*  You do have to
enable SYSV* in the kernel itself, but increasing shared memory and
semaphores is a simple sysctl that can be run while the system is live ...