Creating a two-node RHEL cluster with Virtual IP using CMAN and Pacemaker.
CMAN v3 is a Corsync plugin that monitors the names and number of active cluster nodes in order to deliver membership and quorum information to clients (such...
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No valid credentials provided Mechanism level Failed to find any Kerberos tgt
We have 2 domains forests in our environment, ABC and XYZ. We were not able to authenticate normal users from either of the domains. Most of the information ...
Interface Forwarding - from eth1 to eth0 on EDGE node.
Adding route to all the slaves which reside on a private network to communicate with External Server directly using an EDGE node using Interface Forwarding.
Installing ansible on RHEL 6.6.
Ansible is a radically simple IT automation engine that automates cloud provisioning, configuration management, application deployment, intra-service orchest...
Mounting RAID10 using parted.
GUID Partition Table (GPT) is a standard for the layout of the partition table on a physical hard disk, using globally unique identifiers (GUID). Although it...
Setup and Configure NFS Mounts on Linux Server
A Network File System (NFS) allows remote hosts to mount file systems over a network and interact with those file systems as though they are mounted locally....
Ansible Playbook - Setup Zookeeper Using tarball.
This is a simple zookeeper playbook, to quickly start zookeeper running on a single or more nodes, in a clustered mode.
Ansible Playbook - Setup Storm Cluster.
This is a simple Storm Cluster Setup. We are using a dedicated Zookeeper Cluster/Node, instead of the standalone zkserver. Below is how we will deploy our c...
Ansible Playbook - Setup Kafka Cluster.
This is a simple Kafka setup. In this setup we are running kafka over a dedicated zookeeper service. (NOT the standalone zookeeper which comes with kafka)
Ansible Playbook - Setup Hadoop CDH5 Using tarball.
Setting up Hadoop using Ansible, we will be using cdh5 tarball for installation of the cluster.