Digium Gateway remote logging

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We have recently used Digium gateway as alternative to other existing PRI interfaces and it’s been working like a charm. However, we had a client who needed to monitor the PRI connections and send an email alert whenever the PRI go down. Back then we had no issue with PRI PCI cards as we had access to DAHDI and could simply write a daemon to monitor “pri show spans”. With this gateway however, we cannot do it as simple as that as we have no access to the PRI and there is no SNMP tool whatsoever. The way I could think of was to push the syslog to Asterisk server and parse the syslog looking for anything suspicious. Now here is how I worked that out:

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simple posting web page

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We had a coursework recently which required us to come up with a twitter-like web application in which people can register and write post, read other users’ posts as well as leaving replies to those posts. I have uploaded this application here.

Most of the job is done by combination of Javascript (ExtJS) and backend PHP. Please do register there and write posts if you want :)

Note: It works best under Firefox or Chrome. IE doesn’t support most of the features included.

 

Configure your ubuntu desktop as an internet gateway

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I have a 3g mobile stick and in certain circumstances I would need to route internet traffic of a PC/server or a particular subnet through this interface. In a windows OS we could simply achieve this by enabling internet sharing on the interface itself. But in the case of ubuntu we can easily enhance ICS (internet connection sharing) feature to a higher level as internet gateway. This way your linux machine can be turned into a gateway which is way cool, isn’t it?