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Piyush Routray

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Category: Linux Administration

Weekdays cron job, but for a particular date range.

Cron is a very simple, yet useful job scheduler on linux. To schedule a job for weekdays, one can easily … More

cron, linux

Installing ‘s3cmd’ on centOS 7+

AWS S3 is one of the oldest offerings for ‘object storage’, from Amazon AWS and when working through a terminal, … More

AWS S3, centOS 7, s3cmd

Change java for Cloudera cluster using ambari

If you are using Hortonworks (presently Cloudera) cluster, the default value for java is Oracle JDK 1.8. If you have … More

ambari, cloudera, Hortonworks, java, OpenJDK, OracleJDK

How to color code ‘diff’ output on CLI?

TL;DR :  vim -d <file1> <file2> Comparing changes in files from time to time is very much the part and … More

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