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Friday, June 26, 2020

Oracle Enterprise Manager: Silent Installation Fail (SEVERE:emctl secure agent command has failed with status=1)

In this blog I cover what to do when the OEM agent installation fails  SEVERE:emctl secure agent command has failed with status=1 SEVERE:emctl secure agent command has failed with status=1 SEVERE:emctl...

Oracle Enterprise Manager: Un-install OEM Agent (Host and OMS)

This blog discusses on steps to un-install OEM agent from the host and remove from OMSStep 1: Uninstall OEM Agent$<AGENT_HOME>/perl/bin/perl <AGENT_HOME>/sysman/install/AgentDeinstall.pl -agentHome <AGENT_HOME>Example/u01/app/oracle/product/agent/agent_13.3.0.0.0/perl/bin/perl /u01/app/oracle/product/agent/agent_13.3.0.0.0/sysman/install/AgentDeinstall.pl -agentHome /u01/app/oracle/product/agent/agent_13.3.0.0.0Step2: Remove OEM from OMSemcli login...

Sunday, May 17, 2020

Oracle Database (All) : Archive Log Generation (Distribution - hourly/daily/size)

In this blog I am going to cover on how to find out  1. total number of archives generated per hour & per day  2. The size of the archives MB/...

Wednesday, May 6, 2020

DEVOPS - How to find out processes in 'D' state of uninterruptible sleep (High I/O Wait)

IN this blog I am going to write on how to find out processes state and specially when there is high I/O wait on the system. The key is to list down...

Friday, February 14, 2020

DEVOPS : Slack : How to Upload File to Slack using Python

When uploading files to slack using Webhook - it is not possible. You need to use Slack API. Below is sample code which can be used to put files to...

Saturday, February 8, 2020

Amazon Web Services (AWS): Boto3 SQS Operations

In this blog I am going to cover on how to run multiple SQS Operations using Boto3.  Note - all the response from which are printed will give HTTP Status...

Friday, February 7, 2020

Amazon Web Services (AWS): Installing and Configuring AWSCLI

In this short blog, I am going to cover on quickly how to configure awscli. Step 1 : Install awscli pip3.7 install awscli --upgrade --user (if you have different verison...

Thursday, January 30, 2020

Amazon Web Services (AWS): Enabling API Access

The First step of enabling API access is to get your AWS Access keys properly created and defined.  Step 1 - Login to AWS console and Navigate to IAM Step...

Amazon Web Services (AWS) : EC2 - Instance Metadata Get Region/Type/IP

In this blog I am going to demonstrate how to get the Instance Metadata information using curl. Instance Metadata information is available at the 169.254.169.254 IP address. If you are...

Wednesday, January 15, 2020

Amazon Web Services (AWS) : Customising the Sign-In Link for IAM Users

When you start creating IAM users, the first AWS does automatically for you is to create an IAM sign in link which could be given to your users.  You can...

Amazon Web Services (AWS) : Setting up Security / IAM Best Practices at account creation

In this blog I am going to show, how to have all the green ticks as per AWS recommendation, after setting up a new account.  Once you create a new...

Wednesday, January 8, 2020

OEM 13cR3: OMS Plugin Patching 13.3.1.0.191231 and 13.3.2.0.191231

In this blog I am going to patch EM plugins on OMS for the given version Note - you should always keep a backup of EM configuration and have a...

Tuesday, January 7, 2020

AWS : Lambda: Add IP to Security Group Using Boto3 - Complete Code

IN this blog I am going to show how to add an IP using Lambda. You can create a sample-SQS trigger event with an IP address in body to create...

Friday, January 3, 2020

OEM 13cR3: Patching 13.3.0.0.191015

In this blog I am going to take up the part of Patching my OEM 13cR3 Setup. Download Patches below  1. Patch 6880880: OPatch version 13.9.3.3.0 for EMCC 13.x customers...

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