Category Archives: Programming

SNMP Poller tool to monitor any thing on network

Few years ago, I had created one SNMP Poller tool using perl and snmp utilites that can poll OID informations from any network devices, which is kind of passive monitoring mechanism. Thought to make it Opensource under GNU GPL. The … Continue reading

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chef knife tricks: Add a node in an environment

  Sometime during automation of a large deployment process, we have to bootstrap a node , create environment and add the node in that particular environment on the fly.   Bootstraping : 2. Create environment dynamically from inside the programme:(python … Continue reading

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Nagios Plugin Developed@NagiosExchange

Long ago, while working in one of the previous organization, there were lots of components like services and servers running in production environment. I had deployed all products one by one from scratch and the count kept on increasing. There … Continue reading

Posted in ARTICLES, Container, DevOps, FOSS, Monitoring, Operations, Programming, Virtualization | Tagged , , , , | Leave a comment

Chef Recipe: Oracle DB 11gR2 EE silent deploy

Chef provides a lot of flexibility and greater choice for infrastructure automation and I prefer it over others. We should design our recipe in such a way that the our recipes without being modified can be used in any environment … Continue reading

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Python : Inplace update json and maintain proper order

Some time we have to read one existing json property file and  update some values inplace. If we don’t use proper approach, the update may lead to breaking the json structure in the file. We have to hook the json … Continue reading

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Using optparse in python

Sometimes we have to create tools that takes input as argument with certain options. We can create such tool with optparse module of python. Here is a small example of using this.   For help, type: ( This will display all … Continue reading

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Send mail using Python’s smtplib module

Python has a built in module to send mail to recipient[s] as to,cc,bcc. Here assumption is that : the smtp is configured in localhost (where the script will run).      

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