“SSH key pair” can be used to ssh access. Generating such a pair is as easy as following the below instructions. One key is that you can change the default output directory/file when you’re prompted to do so in line 3.

Today I got this error when using github:

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$ git pull origin master
# ...
# Agent admitted failure to sign using the key.
# debug1: No more authentication methods to try.
# Permission denied (publickey).

From here.

Today when I was revisiting Octopress and reading the 3rd party plugins list, I found an insteresting one “QR-Code“, which can display the QR code of your post URL in the Octopress sidebar.

Today when I was browsing the unread emails in my mailbox, I found this thanks letter from Wikimedia Foundation last year, after I donated $10 to Wikipedia.

Using Google Earth on Ubuntu 12.04 with your locale setting as Chinese(zh_CN.UTF-8) will cause the unrecognized characters problem.

I tried some solutions online, such as removing the “libQt*“ files under “opt/google/earth/free/“ directories but it didn’t work on my Ubuntu 12.04 environment.

Here is my solution.

I found something weird when I was using “apt-get”: for some packages, usually the linux kernel packages, they won’t be upgraded when I use “apt-get upgrade” command, but they do been upgraded when I run the upgrade from the “Update Manager” program. Why?

本文参考并引用了维基百科的”Creative Commons“条目和”知识共享“条目。