Getting the right fail2ban timeout for your rules.

December 10, 2014 • Read more…

A recent thread on a technical mailing list I frequent was started by someone observing (perhaps complaining) that many television show plots rely on ridiculous IT operations.

I agree, but I don’t really care. I even approve.

November 25, 2014 • Read more…

This is the first of what I hope will become a series of posts that highlight useful command-line computing utilities.

November 20, 2014 • Read more…

THE NWS USES ALL CAPS IN ITS BULLETINS.

November 11, 2014 • Read more…

SSH keys may end up loaded where you don’t expect them.

November 06, 2014 • Read more…

I recently updated both my work and home Macs to OS X 10.10, aka Yosemite. As with most OS upgrades, little changes have accompanied the marquee upgrades. In particular, Yosemite has yet another way to flush the local DNS cache.

November 03, 2022 • Read more…

Thoughts on setting up AAAA records for servers using IPv6.

October 22, 2014 • Read more…

This was much more difficult than it should have been.

October 07, 2014 • Read more…

Like any other web server on the Internet, mine is frequently the target of IPv4-based scanning attacks.

October 02, 2014 • Read more…

I recently ran into obstacles getting oVirt 3.3 VNC console sessions to launch in Mac OS X.

September 26, 2014 • Read more…

Steven Soderbergh has done a really cool experiment.

September 24, 2014 • Read more…

How to use SSH as a pseudo-VPN for Firefox web browsing.

August 24, 2020 • Read more…

What I love about Ariana Franklin’s historical mystery.

September 23, 2014 • Read more…

Security theater invades Xcode 6.0.1.

September 19, 2014 • Read more…

I kicked off the iOS 8 update on my iPhone 4S at 11:40 this morning.

September 17, 2014 • Read more…