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Monitoring & Update Email Notifications


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Continuing in part off of my last Ubuntu Server post, "The Perfect Linux Server" - http://forums.hak5.org/index.php?showtopic=15160, I decided that i wanted the server to send me emails updating its status with me. If the HD space gets low, the RAM is all used up, services go down, or even i lose internet at my house while im out and about, i get a nice email from my server notifying me of the problem (at least when my inet comes back online).

What better way to top this off than with use of a gmail account that i already owned and used?

In this post, i will walk you through installing the following along side your postfix installation:

Self signed SSL certfication (don't want anyone being nosey!)

Apticron - A nice set of scripts that will execute 'apt-get udpate' and email you the results

Webmin - One of the best web based management consoles for head-less servers. Has a great system notification setup, along with many many many other goodies.

Note: This how-to assumes you've already installed Postfix mail server on an Ubuntu Linux Server (sudo apt-get postfix)


Enjoy! :)

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  • 2 weeks later...
good job sir. keep it up. great walkthrough

Thanks man :) It's always nice to get some positive feedback. I have been keeping it up, check out my other posts:

Video Tutorial: Installing Airpwn On Ubuntu 9.10: http://forums.hak5.org/index.php?showtopic=15880

Video Tutorial: Installing Aircrack + Wicrawl On Ubuntu Linux: http://forums.hak5.org/index.php?showtopic=15929

Nice job, I think I set my server up without having to use a CA. I cannot recall how I did it, but I think it was easier to do.

Why the CA anyhow, just to make sure that no one snoops yer email?

Yes. I wanted to communicate with the google mail servers over a TLS SSL connection. Since my server will be sending me reports (Such as security patches to my linux server), i don't want someone to see that email and realize that my server is unpatched and vulnerable to attack.

Yeah i know this is probably over-board and involves a couple extra steps, but i try to keep security in mind at all times. ;)

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