recent reading url

https://www.cnblogs.com/jyxbk/p/7651716.html

firewall

https://www.rootusers.com/how-to-use-firewalld-rich-rules-and-zones-for-filtering-and-nat/

kafka

https://www.w3cschool.cn/apache_kafka/apache_kafka_integration_spark.html

spark

https://www.w3cschool.cn/spark_sql/spark_introduction.html

https://www.cnblogs.com/huangxincheng/p/9105748.html

spark hbase mysql

https://www.cnblogs.com/kangoroo/p/7728636.html

hbase

https://www.w3cschool.cn/hbase_doc/hbase_doc-vxnl2k1n.html

 hive shell

https://www.cnblogs.com/skyl/p/4736129.html

w3c home page

https://www.w3cschool.cn/

mysql,hive,hbase diffrence

https://blog.csdn.net/qq_32736999/article/details/83832376

hadoop install

https://blog.51cto.com/kaliarch/2119093

 Gremlin

https://www.codercto.com/a/58862.html

 https://www.cnblogs.com/scuwangjun/p/10333436.html

mosquitto

https://blog.csdn.net/russle/article/details/80469942

forward chain

https://www.cnblogs.com/xialiaoliao0911/p/7523993.html

win10 cmd

https://docs.microsoft.com/zh-cn/windows-server/administration/windows-commands/windows-commands

mysql jon

https://blog.csdn.net/lukabruce/article/details/80568796

tensorflow example 

https://blog.csdn.net/u014432647/article/details/75276718

https://github.com/ppplinday/tensorflow-vgg16-train-and-test

https://blog.csdn.net/geyunfei_/article/details/78782804