我正在安装 ruby 2.0.0 但找不到一些软件包。首先我使用这个命令
rvm get stable
然后我发出命令
rvm requirements
我在下面有这些错误
W: Failed to fetch http://ppa.launchpad.net/cheleb/blender-svn/ubuntu/dists/precise/main/source/Sources 404 Not Found
W: Failed to fetch http://ppa.launchpad.net/cheleb/blender-svn/ubuntu/dists/precise/main/binary-amd64/Packages 404 Not Found
W: Failed to fetch http://ppa.launchpad.net/cheleb/blender-svn/ubuntu/dists/precise/main/binary-i386/Packages 404 Not Found
W: Failed to fetch http://ppa.launchpad.net/ferramroberto/oneiric/ubuntu/dists/precise/main/source/Sources 404 Not Found
W: Failed to fetch http://ppa.launchpad.net/ferramroberto/oneiric/ubuntu/dists/precise/main/binary-amd64/Packages 404 Not Found
W: Failed to fetch http://ppa.launchpad.net/ferramroberto/oneiric/ubuntu/dists/precise/main/binary-i386/Packages 404 Not Found
我尝试按照以下方式安装
https://askubuntu.com/questions/169542/how-do-i-install-the-latest-blender-3d-builds-from-a-ppabut
但没有成功,安装 ruby 2.0.0 如下
rvm install 2.0.0
给我同样的错误
任何人都可以请帮忙。