Converting PFX Certs to Certificate and Key Files using OpenSSL

Recently, I have an ask where we want to automate Web Service Health Check manual steps. I have choose Python to do that (Cause one only my fav language :-) but faced a very initial hiccup as PFX certs. As our web services are SSL enabled which need Public/Private Key (Or Certificate) to authenticate the Consumer and Python supports certificates and keys only in PEM format.

So let's learn how we can convert PFX (Personal Information Exchange) certs to PEM (Privacy Enhanced Mail) certificate.

• Extract certificate.pem or certificate.cer from certificate.pfx:
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• Extract Key - 

This is 2 step process as below, first command extract the encrypted key and then second command use to decrypt the key to simple text.
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Now, we can use these keys in our Python Health Check code, we will discuss that later.
Till then, Keep Loving this Blog .......... Happy Learning...........

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Purging SQL Table without impacting the users

This happens very rarely but sometime I have been asked to conditional purge the SQL table without impacting the Users (So we can not use the truncate which is quick and harsh  :) ), These kind of request is pain when client says this table is business critical and used by different application 24/7 so can not take offline and delete the data. So I came up with SQL script or Stored Procedure which will purge the data without impacting the users, though this Proc can run slow or fast based on the Batch Size you have selected, Smaller (not Smallest) the batch size lower the deadlock risk. You can select the Batch and Total deleted row count based on your need. 

Hope, This proc will be useful for you and let me know if required any improvement. I have written this for SQL Server, you can rewrite for any other DB as well after small tweaking

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