sudo apt-get install build-essential提示E:Couldn't find package build-essential
ubuntu 9.10 下面sudo apt-get update更新不成功
都是诸如如下的问题:
404 Not Found [IP: 91.189.92.177 80]
Err http://hk.archive.ubuntu.com karmic/restricted Packages
404 Not Found [IP: 91.189.92.177 80]
Err http://hk.archive.ubuntu.com karmic/main Sources
404 Not Found [IP: 91.189.92.177 80]
Err http://hk.archive.ubuntu.com karmic/restricted Sources
404 Not Found [IP: 91.189.92.177 80]
Err http://hk.archive.ubuntu.com karmic/universe Packages
404 Not Found [IP: 91.189.92.177 80]
Err http://hk.archive.ubuntu.com karmic/universe Sources
404 Not Found [IP: 91.189.92.177 80]
Err http://security.ubuntu.com karmic-security/main Sources
404 Not Found [IP: 91.189.92.190 80]
Err http://security.ubuntu.com karmic-security/restricted Sources
404 Not Found [IP: 91.189.92.190 80]
Err http://security.ubuntu.com karmic-security/universe Packages
404 Not Found [IP: 91.189.92.190 80]
Err http://security.ubuntu.com karmic-security/universe Sources
404 Not Found [IP: 91.189.92.190 80]
Err http://hk.archive.ubuntu.com karmic/multiverse Packages
404 Not Found [IP: 91.189.92.177 80]
Err http://hk.archive.ubuntu.com karmic/multiverse Sources
404 Not Found [IP: 91.189.92.177 80]
Err http://hk.archive.ubuntu.com karmic-updates/main Packages
404 Not Found [IP: 91.189.92.177 80]
Err http://hk.archive.ubuntu.com karmic-updates/restricted Packages
404 Not Found [IP: 91.189.92.177 80]
Err http://hk.archive.ubuntu.com karmic-updates/main Sources
404 Not Found [IP: 91.189.92.177 80]
软件包也无法安装sudo apt-get install build-essential提示E: Couldn't find package build-essential
求大神指教啊