If you encounter this warning message under Linux:
2009/03/09 21:23:19 [warn] 26827#0: 4096 worker_connections are more than open file resource limit: 1024
A solution is to use the command ulimit in nginx start script, just before lunching nginx:
[...]
ulimit  -n 65536
[...]

If like me you just have upgraded your Debian system to Lenny, you probably encounter the following warnings while launching perl:
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
        LANGUAGE = (unset),
        LC_ALL = (unset),
        LANG = “fr_FR.UTF-8″
    are supported and installed on your system.
perl: warning: Falling back to the standard locale [...]

As you may know, when using memcached on 32-bit servers, processes can only address 4GB of virtual memory making the memcached daemon handle only 2 or 3 Gb of memory.
If you want to address more memory, you need to launch multiple memcached daemons.
I wrote an rc script , mmemcached, for FreeBSD to manage this.
To use [...]

apticron is a shell script that send you an email report when new packages are available on your debian server.
Install apticron
As root, do:
apt-get install apticron
apticron configuration via /etc/apticron/apticron.conf
To receive reports on your email change the EMAIL variable in the configuration file. By default, reports are sent to the root user.
EMAIL=”root” -> EMAIL=”you@domain.com”
Reports received
Now apticron will [...]