Spark&Pycharm开发问题汇总

• PyCharm 修改 pip 源的方法：
  在Linux系统中，按照网上修改Pycharm默认是无法生效的，必须进行如下操作：
  linux下: 修改 ~/.pip/pip.conf （如果没有自己创建一个）， 内容如下：

  [global] 
  index-url = https://pypi.tuna.tsinghua.edu.cn/simple
  

  https://blog.youkuaiyun.com/HeatDeath/article/details/81873241

• MacOS 中的Pycharm如何连接虚拟机上的开发环境
  https://blog.youkuaiyun.com/weixin_34024034/article/details/94323023

• 更新Ubuntu源
  https://www.cnblogs.com/flyinggod/p/7979108.html

• Ubuntu16.04安装搜狗拼音输入法报错libqtwebkit4
  https://blog.youkuaiyun.com/heiheiya/article/details/86065024

• Ubuntu 16.04下无法安装.deb的解决方法
  https://www.landui.com/help/show-8516.html

• SafeModeException问题

  Caused by: org.apache.hadoop.hdfs.server.namenode.SafeModeException: Cannot create directory /tmp/hive/parallels/405f8ced-febc-42cb-b581-fe43bec7061e. Name node is in safe mode.The reported blocks 22 needs additional 2 blocks to reach the threshold 0.9990 of total blocks 25.	
  

  https://www.iteye.com/blog/qq85609655-2202308

• Python in worker has different version 2.7 than that in driver 3.5
  https://blog.youkuaiyun.com/u010793236/article/details/74388920