(System / Administration / Synaptic package manager --> Settings / Repositories)
ubuntu 軟體來源 / 下載自:這一行最右方 有一個小小的倒三角形 按一下
(Ubuntu Software / Download from)
選其它 / 選擇最佳的伺服器
(Other... / Select best server)
開始從全球 3百多個 伺服器中選擇跟你的網路回應速度最快的伺服器
選好以後 按選擇伺服器 你可以看到 最好的伺服器 已列名在 下載自:這一行的右方
按關閉
按 重新載入 / 標記所有升級 / 套用
就開始 更新
Open up Applications-
Right click Passwords:login and unlock it.
You should be able to expand the tree and find a listing for vino. Right click and delete it.
Close Passwords and Encryption Keys.
Open gconf-editor as and navigate to /desktop/
Enter in your BASE64 encoded password into the vnc_password key.
Save the config and close the editor.
Reboot and you can now use your VNC client to connect to your machine without being first prompted with the keyring.
http://edmullen.net/mozilla/moz_base64.php