知道为什么landscape-server-quickstart没被找到吗？
根据这AskUbuntu 帖子和Landscape 15.11 官方安装说明，以下命令将在本地服务器上安装 Landscape：
add-apt-repository ppa:landscape/15.11
apt-get update
apt-get install landscape-server-quickstart
我运行上述操作，root因此我不需要sudo，但结果是：
root@myserver:~# apt-get install landscape-server-quickstart
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package landscape-server-quickstart
我在 ARM 版 Ubuntu 14.04（Cubox）上运行此程序。最初添加 repo 只是部分成功，出现了错误NO_PUBKEY，所以我apt-key根据此帖子手动添加。
即使经过几次apt-get update重启，唯一可用的横向软件包是
# apt-cache search landscape
landscape-client - The Landscape administration system client
landscape-client-ui - The Landscape administration system client - UI configuration
landscape-client-ui-install - The Landscape administration system client - UI installer
landscape-common - The Landscape administration system client - Common files
libunity-core-6.0-9 - core library for the Unity interface
libunity-core-6.0-dev - Core library for the Unity interface - development files
python-txlongpoll - Long polling HTTP frontend for AMQP
unity - Interface designed for efficiency of space and interaction.
unity-services - Services for the Unity interface
cloud-install-landscape - Ubuntu Cloud installer (landscape) - dependency package
gff2aplot - pair-wise alignment-plots for genomic sequences in PostScript
gimp-plugin-registry - repository of optional extensions for GIMP
hedgewars - Funny turn-based artillery game, featuring fighting Hedgehogs!
muttprint - Pretty printing of mails
saga - System for Automated Geoscientific Analyses
thin-client-config-agent - Retrieve the list of remote desktop servers for a user.
xmountains - Fractal landscape generator for X
landscape-api - Tool to access the Landscape API
landscape-hashids - initial package databases for landscape-server
landscape-opendaylight-binaries - OpenDaylight static binary files