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PostgreSQL‘s psql interactive terminal tool provides several useful “backslash list commands” such as \d (lists “relations” such as tables, views, indexes, and sequences), \dt (lists tables), \di (lists indexes), \ds (lists sequences), \dv (lists views), \df (lists functions), \du (lists roles), and \? (displays help/usage details on backslash commands). These commands are concise and much simpler to use than writing ...

In a previous tutorial, we talked about expect command and we saw how to automate scripts in Linux using its scripting language. Today, we will take a step further in our automation techniques and talk about a tool that automates tasks more professionally and for different platforms, this tool is Ansible. We will also talk about some Ansible features such ...

Here some git related functions in my .bachrc. Is mostly a backup for me, but it might also be useful for someone else. Cloning a git repo Because I usually clone repos from my github account, this is a shortcut that allows me to just type clone *repo_name* and it will create the URL. function clone { if [ $# ...

Hello guys, 100% full disk space is a common problem and as a programmer or Linux user, you often need to free disk space by deleting biggest files and directories. In order to do that, you need to know some Linux find command examples to list and delete some biggest files and directories and that’s what you will learn in ...

This is going to be a small post since it has to deal with kubernetes and secrets. Yet it is a very useful once since adding secrets is so common yet so easy to forget (guilty as charged). So we will cover username and password, key/values, file uploading, secrets. Upload username and password using command line. kubectl create secret generic ...

Context I have been working in a team where we use kubernetes in production (not the nginx example- the real shit) for 2 years now. I have configured and used Kubernetes clusters from version 1.4.x with tools like kube-aws to 1.6-1.7 configured with kops. Amazon’s EKS is the third breed of kubernetes provisioning solutions that I have the chance to try and this post ...

It’s been some time since we talked about putting JBoss BPM Suite into your cloud and with the new product release it’s time to talk AppDev in the Cloud again. It’s time to update the story and show you how to put Red Hat Process Automation Manager in your cloud. With this easy installation demo project you’re able to leverage process automation ...

It’s been some time since I last talked with you about business logic engines and using them in your application development cloud architecture. At that time, I showcased running JBoss BRMS in a container on OpenShift Container Platform (OCP). This gives you the cloud experience, one that’s portable across private and public clouds, but on your own local laptop.     ...

Since the release of the OpenShift Container Platform  it has been my desire to provide a simple, fully configured and easy to use installation. This installation needs to have the Red Hat Middleware product streams installed (pre-configured container options) and all the extras like source to image and .Net Core containers. Previously I showed you how to install your own ...