First, the first update source software source cloud Ali, increase download speed
(1) back up the current default is the official source list
sudo cp /etc/apt/sources.list /etc/apt/sources.list.backup
List (2) delete the sources.list file, delete all content
sudo gedit /etc/apt/sources.list1
(3) After replacing the contents, save
deb http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse
4) Update Source List
sudo apt-get update
Second, the installation Tensorflow (Python3.6.7 / CPU)
(1) installation package management pip Python3
sudo apt-get install python3-pip python3-dev
(2) Installation tensorflow
(Automatically install dependent library numpy, tensorboard, six, protobuf, html5lib, bleach, werkzeug, markdown)
(3) Test tensorflow