http://www.cnblogs.com/yhongji/p/9383857.html
https://www.jianshu.com/p/1565f38f4236
./configure --with-ssl --prefix=/usr/local/python3
zipimport.ZipImportError: can't decompress data; zlib not available
Makefile:1079: recipe for target 'install' failed
make: *** [install] Error 1
解決辦法：安裝依賴
1 sudo apt-get install -y make build-essential libssl-dev zlib1g-dev libbz2-dev \ 2 libreadline-dev libsqlite3-dev wget curl llvm libncurses5-dev libncursesw5-dev \ 3 xz-utils tk-dev
sudo apt-get install build-essential sudo apt-get install python3-dev sudo apt-get install libxml2-de; sudo apt-get install libxslt1-dev sudo apt-get install libssl-dev apt-get install -y libffi-dev
安裝一個python3.6.6，終於可以pip3下載了。
ln -s /usr/local/python3/bin/python3.6 /usr/bin/python3 ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3
sudo vim /usr/bin/lsb_release
修改第一行，指明python的版本號，若安裝的是python3.6則修改：
#!/usr/bin/python3
為：
#!/usr/bin/python3.6
https://blog.csdn.net/u012114438/article/details/83578113
卸載了python3.4，導致沒有終端，頁面沒有狀態欄。 不要卸載apt-get install nautilus-open-terminal
https://blog.csdn.net/terence1212/article/details/51340595
下面這個是重新安裝桌面，可能會用到。重新安裝桌面要startx啟動。
sudo apt-get install ubuntu-minimal ubuntu-standard ubuntu-desktop
startx