Core dump messages in /var/log/messages !!

[Maxim Dounin]

Hello!

On Thu, Mar 27, 2014 at 06:08:44PM +0500, shahzaib shahzaib wrote:

> I upgraded nginx to nginx-1.4.7 and then issued the command nginx -s
> reload. Maybe nginx -s reload didn't actually used the latest binary. Well,
> now i killed all other nginx using following command :
> 
> killall -9 nginx
> nginx (to start new binary)

The "nginx -s reload" is a configuration reload command.  It won't 
even try to change a binary, it will just sent a SIGHUP to a 
running master process.

See here for a documentation on how to control nginx properly:
http://nginx.org/en/docs/control.html

-- 
Maxim Dounin
http://nginx.org/