Vim-Fu

Starting Over in VIM using e!

jroberts — Thu, 29 Jul 2010 02:57:10 +0000

I haven’t posted a trick in a while, so here’s a good one to know.

Ever start working on a file in command mode and then hit the caps key without realizing it. Wham! All sorts of un-expected things can happen before you know it. What do you do then? You could use q! to exit [...]

MySQL tuning script

jroberts — Wed, 28 Jul 2010 04:07:05 +0000

This is really useful script called tuning-primer.sh by Matt Montgomery. [...]

Using Screen to connect to a serial console

jroberts — Sat, 24 Apr 2010 20:10:50 +0000

Not much to write about here. You can use screen as a replacement for minicom. Who knew!?!?! Screen will never stop amazing me with all the cool stuff that it can do.

screen /dev/ttyUSB0

To set the baud rate to 57,600:

screen /dev/ttyUSB0 57600

To enable CTS/RTS handshake:

screen /dev/ttyUSB0 57600,ctsrts

^a,k to end the session. ^a,i to check the status of [...]

Blacklisted Email in Amazon’s EC2 Cloud

jroberts — Wed, 21 Apr 2010 18:38:13 +0000

One of the major problems in having your systems in Amazon’s EC2 cloud is that the ip you get assigned is almost surely blacklisted with every major email blacklist before you’ve sent a single piece of email (check for this using mxtoolbox.com). I learned this the hard way when I started hearing the our registration and [...]

Cisco POE and Polycom phones

jroberts — Mon, 19 Apr 2010 05:41:29 +0000

They just continuously flapped when ever they were powered by the 3550. Adding this line fixed the issue [...]

Cisco’s DNS Rewrite – My new best friend

jroberts — Sat, 06 Feb 2010 19:33:24 +0000

DNS Rewriting is a simple and elegant solution that can save you time and [...]

Bulk Adding users to Gmail and notifying them of their new credentials

jroberts — Fri, 22 Jan 2010 18:12:23 +0000

My company is making a small jump from Google Apps Standard this morning to the Premier service, but because we are taking the opportunity to change the domain name, we are forced to do a migration. This is really not a big deal compared to the mail migrations I have done in the past, in [...]

Great iPhone app for working out regexes.

jroberts — Sun, 08 Nov 2009 05:30:38 +0000

This is a great little utility to have on your iPhone. It’s called Regexen and it is a tool that allows you to enter some text, and then cook up a regex that will match it. You can then mail it out to your own email account or a co-worker. It also has [...]

Converting from Apache to Nginx

jroberts — Sat, 17 Oct 2009 21:38:05 +0000

I've decided to migrate Vim-Fu.com (WordPress) from Apache to Nginx for a couple of [...]

A Scalable DNS scheme for Amazon’s EC2 Cloud

jroberts — Sat, 19 Sep 2009 17:36:06 +0000

We are gearing up for the "next phase" release of our EC2 deployment and I've taken the opportunity to re-think the scheme based on my experiences over the last 8 or so months of using EC2. I have come up with something that is FAR better in my [...]