Funny usage message
I was poking around in a command shell on my Droid to see what was available. While it's a pretty restricted environment, there's a number of commands available in /system/bin, including dexopt.
Apparently dexopt isn't something I'm supposed to poke at:
$ dexopt Usage: don't use this
MBTA realtime XML feed
The MBTA has a trial web service interface that provides access to realtime location information for select MBTA buses, as well as access to route information, arrival prediction, and other features. More information can be found here:
The service is provided by …read more
Blocking VNC with iptables
VNC clients use the RFB protocol to provide virtual display capabilities. The RFB protocol, as implemented by most clients, provides very poor authentication options. While passwords are not actually sent "in the clear", it is possible to brute force them based on information available on the wire. The RFB 3 …read more
NFS and the 16-group limit
I learned something new today: it appears that the underlying authorization mechanism used by NFS limits your group membership to 16 groups. From http://bit.ly/cBhU8N:
NFS is built on ONC RPC (Sun RPC). NFS depends on RPC for authentication and identification of users. Most NFS deployments use an …
Cleaning up Subversion with Git
At my office, we have a crufty Subversion repository (dating back to early 2006) that contains a jumble of unrelated projects. We would like to split this single repository up into a number of smaller repositories, each following the recommended trunk/tags/branches repository organization.
What we want to …read more