* 安裝python3以及docker
yum install docker
docker pull centos
service docker start
systemctl enable docker //設置為開機自啟動 docker images 
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#開始安裝docker docker run -i –t centos /bin/bash #這時進入centos虛擬環境 yum install openssl-devel bzip2-devel expat-devel gdbm-devel readline-devel sqlite-devel -y yum -y install gcc automake autoconf libtool make #安裝make編譯所需的gcc,g++編譯器 #開始安裝python3 yum install wget wget https://www.python.org/ftp/python/3.5.3/Python-3.5.3.tgz tar zxvf Python-3.5.3.tgz mv Python-3.5.3 /usr/local cd /usr/local/Python-3.5.3 ./configure make make install #刪除舊版本的依賴，並創建軟鏈接 rm -rf /usr/bin/python ln -s /usr/local/bin/python3.5 /usr/bin/python #沒想到最后python3與python2沖突了，導致yum不能用了,不過修改一下 vi /usr/bin/yum vi /usr/libexec/urlgrabber-ext-down 這兩個文件開頭的python為python2.7即可 
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* 安裝pip3
1：安裝依賴 yum install openssl-devel -y yum install zlib-devel -y yum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel -y 2：安裝setuptools wget --no-check-certificate https://pypi.python.org/packages/source/s/setuptools/setuptools-19.6.tar.gz#md5=c607dd118eae682c44ed146367a17e26 tar -zxvf setuptools-19.6.tar.gz rm -rf setuptools-19.6.tar.gz cd setuptools-19.6 python3 setup.py build python3 setup.py install 3：安裝pip wget --no-check-certificate https://pypi.python.org/packages/source/p/pip/pip-8.0.2.tar.gz#md5=3a73c4188f8dbad6a1e6f6d44d117eeb tar -zxvf pip-8.0.2.tar.gz rm -rf pip-8.0.2.tar.gz cd pip-8.0.2 python3 setup.py build python3 setup.py install #更新為最新版 pip install --upgrade pip 
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按ctral+d退出
#下面是我想安裝的庫,可以忽略...... pip3 install bs4 pip3 install requests pip3 install socketserver pip3 install selenium pip3 install socket pip3 install fake_useragentvi /usr/libexec/urlgrabber-ext-down 沒想到最后python3與python2沖突了，不過修改一下
vi /usr/bin/yum
vi /usr/libexec/urlgrabber-ext-down
這兩個文件開頭的python為python2.7即可