gyp: No Xcode or CLT version detected - ERR! configure error in macOS Catalina

Is node-gyp (Node.js native addon build tool) failing during yarn install or npm install? If your macOS got upgraded to Catalina (10.15) recently, then you will find the fix right here.

Run Hadoop Wordcount MapReduce Example on Windows

In this post, we'll use HDFS command 'bin\hdfs dfs' with different options like mkdir, copyFromLocal, cat, ls and finally run the wordcount MapReduce job provided in %HADOOP_HOME%\share\hadoop\mapreduce\hadoop-mapreduce-examples-2.2.0.jar. On successful execution of the job in the Single Node (pseudo-distributed mode) cluster, an