This article is all about the configuration of ETCD Kubernetes data store with high-security measurement. We will use TLS/SSL certificate so that all communication within the cluster will secure and private. Environment: 3 RHEL 7 / Centos 7 Server with minimal installation.etcd and etcdctl binary which we can download from […]
Overview: Kubeadm is a utility which is currently is in alpha which provides kubernetes very easily. Prerequisites: 1. One or more physical and virtual machines running CentOS 7 or RHEL 7. 2. 1GB or more of RAM per machine. 3. Network connectivity between machines in the cluster. 4. Good internet […]
CMD is nothing but an argument to the EntryPoint by default docker uses “/bin/sh -c” as an entry point. So if we are defining only CMD in docker file it uses “/bin/sh -c” for example, If Dockerfile will having below format, Default command which docker container will run, will be […]
Docker Container has many benefits over physical and virtualized systems, here we are mentioning some points Portability: let’s suppose in the case of Linux you have your own customized Nginx container. You can run that Nginx container anywhere, no matter it’s a cloud or Data Center on even your own […]
MYSQL Database Backup and Rsync Bash Script. A bash script is a great and powerful utility to automate the “MySQL” backup in Linux like environment. With the help of Bash script, you can take dump automatically at a defined time and transfer that dump to any remote location with the […]
Zimbra is nowadays leader of the mail service provider. It is available in paid and open source both version. To install Zimbra is very easy.H ere in this tutorial we will show how you can install zimbra step by step. Install RHEL6.X with minimal install (Minimal would be a batter).Now […]