GFS2 Filesystem setup in RHEL8 with Pacemaker and Corosync
We will configure Pacemaker/Corosync to enable the sharing of a disk between two nodes through the GFS2 clustered filesystem.
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SAML Authentication for AWS OpenSearch with Okta and Role mapping
We are going to set up IdP-initiated (Okta) SAML authentication for AWS OpenSearch. We will create two Okta groups: “opensearch-admin” and “opensearch-user,”...
Ansible Lab Environment setup in Docker container
For ansible lab environment setup, first I will generate ssh key for non-root user and then create a Dockerfile to build a docker image. After that, we will ...
Add and remove nodes in your Elasticsearch Cluster
I will be adding a new node elk-04 in the existing 3 nodes Elasticsearch cluster and again remove it later.
HAProxy configuration for Windows Exchange Server 2016/2019
HAProxy is a free, very fast and reliable solution offering high availability, load balancing, and proxying for TCP and HTTP-based applications. It is partic...
Ansible: To use the ‘ssh’ connection type with passwords, you must install the sshpass program
“To use the ‘ssh’ connection type with passwords, you must install the sshpass program” to resolve this error message, you have to install sshpass package in...
Enable Outlook 2013/2016/2019 to use Transport Layer Security (TLS) 1.1 and 1.2 in windows 7
If u have an older windows 7 pc from where you want to connect your mail server through outlook 2013/2016/2019 and your mail server only supports TLS 1.2 and...
Ansible Playbook to deploy user with SSH Key
We will create a new user with sudo privilege and deploy it with their SSH Public Key to all the targeted hosts through ansible-playbook. After that, he/she ...