在 linux下打开浏览器，搜索pycharm，点击download。
下载好的文件的名称可能是 ‘pycharm-professional-2016.2.3.tar.gz’。
打开终端界面，输入命令
cd ~/Downloads切换到下载目录
找到目标文件ls pycharm*
运行解压命令，并解压到home盘tar -xvzf pycharm-professional-2016.2.3.tar.gz -C ~
cd ~进入home目录
ls ~查找
cd ~/pycharm-xxxx/bin记着打出pyc用tab补全，然后再切换到bin目录运行pycharmsh pycharm.sh &
激活：在激活界面的License server输入：http://idea.liyang.io/
https://jetlicense.nss.im/最近发现所有服务被封杀，最好的方法是：使用code 从下面地址获取code
code码，前提需要hosts文件
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如何修改hosts？
gedit /etc/hosts
将下面文件添加到 hosts文件最下面
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