bash fork: Resource temporarily unavailable

[Almir Karic]

i got this error when i was playing with ulimits, check ulimit -u (at least on
bash)

On Mon, May 19, 2008 at 06:12:54PM -0700, rkmr.em at gmail.com wrote:
> i am using nginx version 0.6.31, to server static files config files below.
> 
> now regularly when I login and I try to do something I get this error,
> and I am not able to start anything.. i have over 10GB of free RAM..
> how to fix this problem?
> 
> 
> 
> bash fork: Resource temporarily unavailable
> 
> 
> my requests are like this
> Active connections: 30
> server accepts handled requests
> 1869887 1869887 1864882
> Reading: 0 Writing: 30 Waiting: 0
> 
> I get this message on /var/log/messages
> May 19 17:05:05 XXX kernel: possible SYN flooding on port 80. Sending cookies.
> 
> uname -a
> Linux XXX 2.6.25.3-18.fc9.x86_64 #1 SMP Tue May 13 04:54:47 EDT 2008
> x86_64 x86_64 x86_64 GNU/Linux
> 
> 
> free -m
>              total       used       free     shared    buffers     cached
> Mem:         16086       8757       7328          0        164       5278
> -/+ buffers/cache:       3314      12771
> Swap:         1983          0       1983
> 
> 
> 
> nginx - conf
> 
> user  mark;
> worker_processes  4;
> 
> error_log  logs/error_staticfarm.log;
> pid        logs/nginx_staticfarm.pid;
> 
> 
> events {
>     worker_connections  1024;
> }
> 
> http {
>     include       mime.types;
>     default_type  application/octet-stream;
>    client_header_buffer_size	8k;
>     large_client_header_buffers  4  8k;
>     fastcgi_buffers      32 4k;
>     fastcgi_buffer_size  4k;
>     sendfile        on;
>     #tcp_nopush     on;
> 
>     keepalive_timeout  0;
>     #keepalive_timeout  10;
> 
>     gzip  on;
> 
>     server {
>         listen       80;
>         server_name  localhost;
>         location /nginx_status {
>             stub_status on;
>             access_log   off;
>         }
>         location /static{
>             root   /home/mark/staticfarm/;
>             access_log   off;
>         }
>     }
> }
>