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Create a juju charm for Xataface under LXC

Posted September 20, 2013 By landisv1

Xataface is one of those tools I can easily see myself doing a lot of work with, and not all personal.  I can see a lot of benefit to setting up a process so I can spin up a new container that’s ready to go with a MySQL database, Apache, and Xataface.  Revisiting this page I have linked to previously got me thinking about this, and a little more research lead to this page at Ubuntu with instructions to create a juju charm.  Unfortunately I can’t dedicate the time to it at the moment.

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Adding search functionality

Posted September 19, 2013 By landisv1

I finally got around to adding search functionality to this blog, for whatever it’s worth.  I think my categorization makes it fairly simple, but there are probably a few benefits from having it on the site – so hopefully you find it helpful.  I ended up using the method documented here and changing my permalink settings… which I hope I don’t end up regretting.  Definitely still have some clean-up to do, but it’s a start and got me the information I needed at least.

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scottlinux.com | Linux Blog – Use Google Authenticator For Two-Factor SSH Authentication in Linux

Posted September 18, 2013 By Landis V

https://scottlinux.com/2013/06/02/use-google-authenticator-for-two-factor-ssh-authentication-in-linux/

Might have to give this a try.

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Infrared/Remote control related stuff

Posted September 17, 2013 By Landis V

https://sites.google.com/site/jsrsprojects/ – Specifically AndroidIR, but looks like some other interesting posts to check out, time permitting.

http://hackaday.com/2011/09/29/prototyping-a-bluetooth-to-ir-remote-control-translator/ – link to the above article, plus links to a few related posts.

The Logitech Harmony Hub and Harmony Smart Control are essentially pre-built, ready-to-use alternatives to the DIY models noted above.

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Your own Dynamic DNS in 3 steps | The Nexus

Posted September 16, 2013 By Landis V

http://nexus.zteo.com/blog/your-own-dynamic-dns-in-3-steps/

Interesting idea, perhaps provides a little bit of added flexibility (and reduced cost) compared to Dyn, though I don’t have any complaints about Dyn at this point.  Also review the DDNS and TSIG articles on Wikipedia as well as RFC2136.  Still thinking that perhaps a hybrid HTTPS method; would allow any web server one had available to potentially be able to serve as a receiver for the updates as long as it had at least enough outbound access to give the information to the BIND server, allowing for possibly a bit more obscurity in the update path; also wouldn’t require that whatever host received the update information not have BIND running (i.e., perhaps a web host) as long as it could establish an outbound communication to the BIND server – or write to some file that the BIND server could retrieve.

Interesting question therefrom – short of a VPS, is it possible to use client-side certificates to identify a client to a webserver?  How about self-signed client certificates?

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Nope, mesh networks won’t stop the NSA

Posted September 16, 2013 By Landis V

http://www.networkworld.com/community/blog/nope-mesh-networks-wont-stop-nsa

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stack your knowledge: IOS IPsec ezVPN server – part I

Posted September 11, 2013 By Landis V

http://staystack.blogspot.com/2013/04/ios-ipsec-ezvpn-server.html

Helpful article, though I wasn’t working with ezVPN.  The ‘reverse-route’ component was a critical one I was missing, though I’m pretty sure it’s still not going to get me where I need to go.   I’m attempting to get a software VPN client configuration to work with a router that’s also performing IPSec VPN in conjunction with VRF and zone firewall.  We’ve already encountered one show-stopping bug between ZBF/ZFW and NAT virtual interface (NVI), and I’m fairly sure about five steps down the road from reverse route injection that we’ve encountered yet another bug that will prove fatal in this endeavor as well.

 

No matter I guess.  Probably need to get this lab back to a more standard configuration in any case.  If you do happen to encounter a problem with ZFW, VRF, and software VPN client I’d love to hear about it in the comments.  Always nice to know you’re not the only one Cisco’s feature sets are leaving up a creek. If I get time, I’ll try to post a more detailed configuration example and steps that lead me to this conclusion.  I still haven’t completely disproven it, and haven’t run any debugs at all yet, so there’s still a slim possibility it could actually function.

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