Comment 6 for bug 10856

this bug is a bit outdated, and at least partially fixed.

In the previous comment, "CC.ubuntu.com" stands for "country code" -- eg, if I install Ubuntu and tell it I'm in China, it will default to cn.archive.ubuntu.com.

Then, if I go to "software sources" and want to change it, there is a button that allows me to ping all mirrors and select the fastest -- which is what I originally requested.

Arguably, this pinging could be done automagically on install time. But whether or not to do it is a strategic decision; as the original requester, I'm quite satisfied that we simply have the option of doing it from the UI.