ppa问题:barracuda72 / ralink存储库
我从Ubuntu 12.04LTS升级到14.04LTS。 我的WiFi /蓝牙卡是ralink。 当我安装无线驱动程序时,barracuda ppa被添加(未选中)并且我启用(检查)它们如下:
现在,问题是我跑的时候
sudo apt-get update && sudo apt-get install build-essential linux-headers-generic
在终端输出如下:
Ign http://mirror.de.leaseweb.net trusty InRelease Ign http://ppa.launchpad.net trusty InRelease Hit http://mirror.de.leaseweb.net trusty Release.gpg Ign http://ppa.launchpad.net trusty Release.gpg Hit http://mirror.de.leaseweb.net trusty Release Ign http://ppa.launchpad.net trusty Release Hit http://mirror.de.leaseweb.net trusty/main Sources Hit http://mirror.de.leaseweb.net trusty/restricted Sources Hit http://mirror.de.leaseweb.net trusty/universe Sources Hit http://mirror.de.leaseweb.net trusty/main i386 Packages Hit http://mirror.de.leaseweb.net trusty/restricted i386 Packages Hit http://mirror.de.leaseweb.net trusty/universe i386 Packages Hit http://mirror.de.leaseweb.net trusty/main Translation-en Hit http://mirror.de.leaseweb.net trusty/restricted Translation-en Hit http://mirror.de.leaseweb.net trusty/universe Translation-en Err http://ppa.launchpad.net trusty/main Sources 404 Not Found Err http://ppa.launchpad.net trusty/main i386 Packages 404 Not Found Ign http://ppa.launchpad.net trusty/main Translation-en_US Ign http://ppa.launchpad.net trusty/main Translation-en Ign http://mirror.de.leaseweb.net trusty/main Translation-en_US Ign http://mirror.de.leaseweb.net trusty/restricted Translation-en_US Ign http://mirror.de.leaseweb.net trusty/universe Translation-en_US W: Failed to fetch http://ppa.launchpad.net/barracuda72/ralink/ubuntu/dists/trusty/main/source/Sources 404 Not Found W: Failed to fetch http://ppa.launchpad.net/barracuda72/ralink/ubuntu/dists/trusty/main/binary-i386/Packages 404 Not Found E: Some index files failed to download. They have been ignored, or old ones used instead.
问题出在哪儿?
PPA不存在于’Trusty’,仅仅是’Raring’。
尝试用’raring’代替’trusty’进行分发。 只需在“软件和更新”(您的图片)中选择PPA,然后选择“编辑…”并在“分发”下写下“raring”(不带引号)。 为“源代码”PPA执行此操作。
之后
sudo apt-get update
并安装你需要的。 可能会安装你安装的所有东西,但不保证。