sudo vi/etc/apt/sources.list
A) sudo vi/etc/apt/sources.list is covered with the following content:
Deb Http://mirrors.163.com/ubuntu/trusty main restricted universe Multiverse #只保留163的源 (fastest)
Deb Http://mirrors.163.com/ubuntu/trusty-security main restricted universe multiverse
Deb Http://mirrors.163.com/ubuntu/trusty-updates main restricted universe multiverse
Deb http://mirrors.163.com/ubuntu/trusty-proposed main restricted universe multiverse
Deb Http://mirrors.163.com/ubuntu/trusty-backports main restricted universe multiverse
Deb http://download.tizen.org/tools/latest-release/Ubuntu_14.04//#至关重要, the tools we Tizen develop GBS,SDB are downloaded from there:
#--Priority to Ubuntu official version directory view version Image: http://download.tizen.org/tools/latest-release/
#--No more to Ubuntu Intermediate version directory view version Image: Http://download.tizen.org/tools/archive
B) sudo apt-get update
C) sudo apt-get install SSH # #安装SSH协议支持
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