勝過千言萬語
The problem of testing firewall rules changes
In an earlier entry , I mentioned thatfirewalls are a classical case of difficult testing where differencesbetween your test and your production environments can be vitallyimportant. Let's elaborate on that.
Suppose that you have some firewall rules changes that you want tomake. As a good developer-style sysadmin, you are not going to just dumpthem on your production firewall; instead you have a test firewall thatyou push rules to first for testing. But here's the question: how isyour test firewall'
我的人生賭博
睇波不賭波
我明白，在世界盃進行得如火如荼的日子，選用這幾個字做題目，多少有點掃興的意味。可是我也深信，反應快捷的讀者，看到這個題目，也許已衝口而出唸出心中的完整句子： 「睇
Always Exciting: Weather in St. Louis
It's always exciting to be a St. Louisan in the springtime. God puts on a very nice show about two times a week; right now I'm staring outside the window at some of the most beautiful lightning strikes I've seen in a storm! I'm also thankful I'm not in the crazy rain.
All Fours
I was taught that the best way is to take a baby's-eye view of our home. How so? Simply get down on my hands and knees, and crawl around the house. From there, alas, I will see the world in a
My current photo processing workflow (as of June 2010)
In Thom Hogan's June 14th update ( now here ), he wrote:
Tonight's homework: document your workflow. Really. Write it down.Include everything that happens from pressing the shutter release tolooking at the final image (wherever it may have ended up, e.g. on awall, on Facebook, etc.).
I have some spare time today for once, since I already wrote today's techblog entry, so I feel like tacklingthis one just because.
好一個叛徒！
題目的「好一個叛徒」不是指我自己，而是指這幾年我經
