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Tag Archives: Scripting

Validating IP Addresses

I’ve been working on a fix to a system script that passes around and manipulates IP addresses. With IPv6 becoming more prevalent this script must work with IPv6 addresses not just v4. While working on this and digging around the web I ran across some stuff that I think is worth sharing. The first thing [...]

Posted 19 July 2011 † Philip § Computer ‡ Comments (0) ° Also tagged: ,

dnsmasq and racoon VPN

I’ve always used the standard dhcp3 server on my local networks (non-routable IPs). Never really knew of any other options and I didn’t look for any. As the few networks I manage have gotten larger I’ve wanted my DHCP server to be able to feed information into local DNS so I don’t have to maintain [...]

Posted 20 February 2010 † Philip § Computer ‡ Comments (1) ° Also tagged: , ,

Racoon IPsec VPN on Debian Lenny

I’ve been wanting to set up a “pure” IPsec VPN using racoon for a while now. Part just for fun, part because I can. I spent a weekend on it once a while back, didn’t make much progress, got sick of trying to figure out cryptic racoon debug output and then gave up (more pressing [...]

Posted 22 January 2010 † Philip § Computer ‡ Comments (5) ° Also tagged: , , ,

ThinkPad x61s UltraBay docking script

UPDATE: I’ve updated this script with a much better design because SELinux wouldn’t let me muck around with X’s tmp files. dock.sh. Over a year ago I decided to pick up a new ThinkPad, this time the ultra portable x61s. My desktop was aging and I needed mobility more than anything else. I had always [...]

Posted 05 December 2009 † Philip § Computer ‡ Comments (4) ° Also tagged: ,

Extracting table schema from database

As part of rehabilitating an old project I’ve had to go through a fairly sizable MySQL database and extract the table structure. I’m doing this for knowledge capture. Currently the schema is only known to the internals of the software that operates on the database, there’s no documentation to speak of (oh what I’d do [...]

Posted 29 October 2009 † Philip § Computer ‡ Comments (0) ° Also tagged: ,