我有多个装有 Ubuntu 14.04 的服务器，并在除一台机器之外的每台机器上都安装了 filebeat，但我不知道如何实际修复它。但包取决于它自己。
我尝试将 filebeat 与文档并排安装 https://www.elastic.co/guide/en/beats/libbeat/current/setup-repositories.html
我已经运行apt-get clean我删除了 PGP 密钥，我使用apt-get updateetc从 sources.list 中删除了条目，甚至尝试重新启动。
但我不断收到以下消息
sudo apt-get install filebeat
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package filebeat is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source
E: Package 'filebeat' has no installation candidate
运行时apt-cache depends|rdepends我得到了奇怪的依赖结果。
apt-cache depends filebeat …