The first step to change the data source, the original changed to a domestic site, so the update speed will be much faster, and will not be wrong. Locate/etc/apt/source.list in the file system to change this. Right-click on this file to open with the editor, and after emptying all content, copy the following. Deb Http://mirrors.163.com/ubuntu/lucid main universe restricted multiversedeb-src http://mirrors.163.com/ubuntu/ Lucid main Universe restricted Multiversedeb http://mirrors.163.com/ubuntu/lucid-security universe main Multiverse RESTRICTEDDEB-SRC http://mirrors.163.com/ubuntu/lucid-security Universe main Multiverse Restricteddeb/HTTP Mirrors.163.com/ubuntu/lucid-updates Universe main Multiverse Restricteddeb http://mirrors.163.com/ubuntu/ Lucid-proposed Universe main Multiverse restricteddeb-src http://mirrors.163.com/ubuntu/lucid-proposed universe Main Multiverse restricted Deb Http://mirrors.163.com/ubuntu/lucid-backports universe main Multiverse RESTRICTEDDEB-SRC Http://mirrors.163.com/ubuntu/lucid-backports Universe main Multiverse restricteddeb-src http://mirrors.163.com/ Ubuntu/lucid-updates Universe main Multiverse Restricteddeb Http://mirror.edu.backtrack-LINUX.CN/BACKTRACK/32 Revolution main Microverse non-free testingdeb http://mirror.edu.backtrack-linux.cn/backtrack /ALL Revolution main Microverse non-free testingdeb Http://mirror.edu.backtrack-linux.cn/backtrack/source Revolution Main Microverse non-free testingdeb http://mirror.edu.backtrack-linux.cn/backtrack/updates Revolution main Microverse Non-free testing If you are using a 64-bit system, change the 32 in the code above to 64 in the copy. Do not forget to save after copying, then you can shut down. Then the network settings, BACKTRACK5 support for the wireless network card is not very good, so the first network to use cable connection as far as possible. Then you can enter the sudo apt-get update again.
[HADES_BT5] BACKTRACK5 network settings with domestic update source updates