我正在尝试在 ubuntu 15.04 服务器系统上使用 Vidid 建议的 repo。
user@controller:~$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=15.04
DISTRIB_CODENAME=vivid
DISTRIB_DESCRIPTION="Ubuntu 15.04"
我将以下行添加到 /etc/apt/sources.list
deb http://archive.ubuntu.com/ubuntu vivid-proposed multiverse main restricted universe
当我尝试使用 aptitude -t animated-proposed 时出现以下错误:
E: The value 'vivid-proposed' is invalid for APT:: Default-Release as such a release is not available in the sources.
我正在按照以下详细步骤操作https://wiki.ubuntu.com/Testing/EnableProposed
我遗漏了什么吗?