Wednesday, November 16, 2016

Cron tab- Linux/Unix default schedular

step to setup corn tab in Unix/Linux

1. Login to UNIX/LINUX system
2. To run job every early morning (00.01 hrs) run crontab -e  and add bleow like
$crontab -e
1 0 * * * . /root/.bash_profile; /var/lib/hadoop-hdfs/shekhar/refresh_enrichment_table.sh /var/lib/hadoop-hdfs/shekhar/ >  /var/log/spm/refresh_enrichment_table.log

Note:  JAVA_HOME and other evn variablea has to be set in /root/.bash_profile and need to source to in corntab command like above line otherwise it will not find env avriables

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