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来源：互联网发布：js多选框选中触发事件编辑：程序博客网时间：2024/05/02 00:11

1. search "ubuntu ruanjianyuan(software source)" in baidu, get the result :

deb http://archive.ubuntu.com/ubuntu/ intrepid main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ intrepid-security main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ intrepid-updates main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ intrepid-proposed main restricted universe multiverse
deb http://archive.ubuntu.com/ubuntu/ intrepid-backports main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ intrepid main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ intrepid-security main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ intrepid-updates main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ intrepid-proposed main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ intrepid-backports main restricted universe multiverse

2, in terminal, "sudo gedit /etc/apt/sources.list" , to open source.list, to comment the original sentenses, paste the sentenses above to change update web-sites.

3. unbuntu desktop ,system-> xitong guanli -> genxin guan li qi

4. check, then wait....