F5 irule to log TLS version and SSL Handshake Information
The Overview In this post, we are going to share the irule we have recently designed for one of our requirement. We basically wanted to log when the client is using a weak cipher or deprecated protocols like SSLV3, TLSv1.0 or TLSv1.1 This iRule would help you get an...
Ansible replace line in file - Ansible Replace Examples | Devops Junction
This article is about "how to replace a line in file using ansible and seeing various other examples of ansible replace module". Ansible facilitates us with a dedicated module named as replace The working principle of this module is more like find and replace in your...
How to set HeapMemory or JVM Arguments in Tomcat
The Overview In this post, we are going to explore how and where to configure the heap memory in tomcat servlet container ( application server). How and where to set the XMX and XMS values for your Tomcat JVM and where to configure the different GC policies like...
Ansible AD HOC Command Examples - Ansible Cheat Sheet | Devops Junction
ansible search for string in file or check if string exists in file
The Objective of this post is to show how to search for a string in a file with ansible. ansible provides various ways to accomplish the same. We will cover, three major ways to search for a string in a file. Lineinfile module Using the Shell module and grep command...
ansible update /etc/hosts file with IP of all hosts across all hosts
In Ansible, SSH Communication is everything. Let it be connecting to remote servers from your controller laptop/desktop (mac/windows) or to enable connectivity between servers on the host group. Especially this will be a huge task to accomplish when you do not have a...
Weblogic Start All Managed Servers WLST Script
The Objective In this post, we are going to share the WLST jython script we have created to start all the managed servers in the weblogic domain. To be more precise, The Script will start the servers which are not already started or down from the specific weblogic...
Weblogic Active Gridlink Datasource creation script WLST
The Objective The post is about how to do Weblogic Active Grid Link Data source creation using WLST. We are giving WLST script here to accomplish the same. It has some nice features like Duplicate Validation Test Connection Database Credential validation Bulk...
Recover weblogic password in 4 steps - Weblogic 12c
The Objective In this post, we will see the easiest way possible to decrypt the WebLogic admin server password. in other words, recovering WebLogic password. You do not need to create a JAR file or copy any security-related files etc. You do not even need your...
Ansible fail with custom message example
The Objective If you are a pioneer of Ansible, you might have come across or had this question "How to print a custom message with fail or failed_when" or "How to print a custom error message in case of failure" while running the ansible-playbook. What is so fun in...
Ansible Reboot system and wait_for reboot to complete
The Objective The purpose of this post is to explain with an example of how ansible initiate the reboot and wait for the reboot to complete There are cases where we want our remote nodes to be rebooted or restarted. For example, Take the Patching as an example. As...
Ansible wait_for module examples - How to | Devops Junction
Introduction to Ansible wait_for module Ansible wait_for module can be used to pause your playbook execution and to wait for many different things or conditions before continuing with the execution. The wait_for module of ansible is to make your playbook or task...
JDBC Driver Upgrade in weblogic 12c (or) 11g
In this post, we are going to see how to upgrade the JDBC driver in WebLogic 12c and WebLogic 11g versions. We are going to take mysql as our database for this example, but the same process applies to the Oracle as well. The Context If you are here, I can presume that...
Weblogic - Datasource exception java.lang.ClassCastException: java.math.BigInteger
This post is to discuss about a particular Issue we often face in weblogic 12c and how to resolve the same The Issue While trying to create mysql Datasource in weblogic, the following exception occurs and unable Test Connection (or) Test Configuration fails....
What is ORACLE_HOME,MW_HOME,WL_HOME in Weblogic 12c
The Objective In this post, we are going to see what are the different types of home directories available in weblogic and the various options or methods to find the ORACLE_HOME, MW_HOME and WL_HOME of your weblogic 12c installation. The commands and the methods are...
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