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Showing posts from December, 2008

How to connect to the internet using Celcom Broadband Modem

Luckily, I got my hand on my friend's Celcom Broadband USB HSDPA Modem. The model is E220. Fortunately on Mandriva, you don't need to type a command. It's all in the comfort of GUI.

below is the step-by-step process:

1. Open MCC (Mandriva Control Center) and then select Network & Internet (left frame) and then open Setup a new network interface.


2. Select GPRS/Edge/3G and click Next button.


3. The device should be shown and selected here. If not, you have to check whether Linux detected it using lsusb command. In many cases, this shouldn't be a problem for Linux detecting a USB device. Then click the Next button.


4. It will ask you for PIN number. One problem here. You have to enable PIN Protection for your card by going into MS Windows and use the software provided by TM to enable the PIN Protection. It is disabled by default. If it is disabled, you will get error after this even the PIN number is correct. After enable the PIN Protection, you can boot back into Linux a…

Queuegraph - a RRDtool frontend for Postfix queue-statistics

queuegraph is a very simple mail statistics RRDtool frontend for Postfix that produces daily, weekly, monthly and yearly graphs of Postfix's active, deferred, incoming and bounce queues.The postfix's queue is usually in /var/spool/postfix. queuegraph is created by Ralf Hildebrandt and based on mailgraph by David Schweikert. Below is the dirs in my system:

# ls /var/spool/postfix/
active/ corrupt/ deferred/ etc/ flush/ incoming/ maildrop/ postgrey/ public/ tmp/ var/
bounce/ defer/ dev/ extern/ hold/ lib64/ pid/ private/ saved/ trace/
#

In connection with qshape it can be used to find out if your server is having performance issues:
a large deferred queue indicates delivery problemsa large active queue points to slow destinations (e.g. a content_filter)You can download queuegraph here.

Before you download it, pls check the requirements:
rrdtools (Mandriva users: urpmi rrdtool)
librrds-perl (Mandriva users: urpmi perl-rrdtool)After finish download…