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[jamercado]

Kubernetes Storage Manager Part I: PV and PVC

What was the experience like earlier this week with the last article on storage in Kubernetes? 📚 Here, the second part and a challenge for you. 🤓 Be a protagonist in your life and practice for the second time this week! 💪🏻 Happy learning! 🚀

Before starting to focus on the storage explanation, we recommended reading 🤓 the previous article to introduce StorageClass. Well, having said that, I going to start with a question… Have you wondered about how your Kubernetes cluster provides and consumes storage? Thinking in volumes, as directories that contain data accessible to containers within a pod. This volume provides a mechanism to…

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Kubernetes Storage Class: Introduction, explanation, and example

Hello friends! This week, the repository, labs, and hands-on learning to continue learning and strengthening your skills! Learn, improve your skills, read and be curious, your brain will appreciate it. Share...spread to others! Have a good week, people!

Hello Folks, 👋🏼 to continue with the evolutive topic about Kubernetes, it’s very important to talk about how to save the data when we don’t think in ephemeral situations. I’m talking about the databases, logs, configurations and more. So, today we’ll introduce persistent data, storage and how it works. In Kubernetes, a storage class is an abstraction that defines the properties and provisioners…

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Install Kubernetes, Controlplane and Workers

Hey Folks! In a previous article about Kube infra, we introduced control-plane and workers concepts. For the possibility of working with a Kubernetes cluster, we need to install the software hands-on. Here is a simple guide for you and Happy Learning!

In a previous article about Kubernetes infrastructure, we introduced control-plane and workers concepts. The functionality, how is the relation between both and what are the roles of each one. For better knowledge about the components, and the possibility to know working with a Kubernetes cluster, we need to install the software hands-on. Install Kubernetes Software Creating a Kubernetes…

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Kubernetes: Control Plane and Workers

In Kubernetes, the control plane and worker nodes are two key components that together form the foundation of a Kubernetes cluster. They play distinct roles in managing and running containerized applications. Here’s an explanation of each component along with examples and YAML configurations where relevant: Control Plane The control plane is the brain of the Kubernetes cluster. It manages the…

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how to create a secret to deploy container images from the GitLab registry

Hi Friends! Do you have problems with the GitLab registry, Kubernetes secrets and GitOps? Please check this easy walkthrough and doing your life more happy and easy! #kubernetes #k8s #secops #devops #mlops #argocd #gitops #gitlab #token #RSE

You know the importance of the security process in Kubernetes and why, we don’t use the hardcode variables such as user and password to any pipeline process. Sure, you want to pull registries for your containers from different providers such as docker, Github, etc. (not only Gitlab registry). So, we need to introduce some security concepts known as secrets in Kubernetes, to obtain the adequate…

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GITOPS: ARGO CD AND APPLICATION DEPLOYMENT DEMO - part III

In previous articles, we deployed a GitOps infra in Kubernetes and an application using Argo CD (GitOps tool). You know, it’s time to introduce some changes in the code to demonstrate the life cycle involved: Pull Request (When you modified the code.) Webhook to Apply automated. Clone Repository, for the first time in each new application added to Argo CD. Push the image builder. Argo will…

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GitOps: Argo cd and application deployment demo – part II

Hello People ! In the previous article we have deployed a gitops tool, so there is nothing, if we can do to do anything interesting.

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GitOps: Argo cd and application deployment demo - Part I

Deploy your GitOps tool to empower the development team! Part I

Hello Friends, today I share a beautiful GitOps tool, for deployment applications in Kubernetes environments. This tool is essential for developers that creates code for microservices solutions and need take the control of releases were deployed. It’s necessary some requisites: Kubernetes Cluster o minikube environment ( non production solution, only local development for learning.) Git…

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How to install Minikube in Ubuntu 20.04

Trick ! Add new node to minikube cluster.

Today is a rainning day on the cost zone on the Argentine South. Talking with some friends of the India, appeared some doubts with about some questions in a CKA revisionway to pass the CKA certification. The idea was test some labs to asnwer some questions about the deployments of the applications and HA. But the lab of my dearly friend Askay was only one node with minkube. So I was remember a…

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How to install Anaconda in fedora 33

Anaconda Navigator, A fantastic tool for Analitics People !

Hi Frends ! Many time transcurred from the last post and I’m here again and some news.

Anaconda Navigator

Yeah , and many things as “Oracle Company Close my Facebook fanpage” because I had an a great community of friends from all word, shared knowledge and friendly solutions.

Obviously, at the “oracle style” , without previous notification and a legal letter.

Today, I start with a…

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Online move Tablespace Oracle 19c

A few days ago, when the team performed some application deployment tasks, we noticed that the different schemas, created the datafiles, which belong to a TBS, were created at the destination of the CDB or PDB’s.

We start with the first task of verifying that the db_create_file_dest parameter was configured.

This parameter that differs in container paths as from PDB, is the one that…

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Hidden Parameters in Oracle

The oracle database have a houndres of hidden parameters, that a lot of those parameters are not documented.

Know about those parameters are important for dbas involved in database migrations and upgrades.

Many parameters have a high performance improve on different systems.

set line 150 col PARAMETER format a30 col DESCRIPTION format a60 col SESSION_VALUE format a10 col INSTANCE_VALUE…

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How to identified issues with ADRCI

In oracle 19 as the previusly versions ADRCI (Automatic Diagnostic Repository Command Interpreter) its a great tool to solved issues and deal with Oracle Errors and Tracefiles

We could verified in the alert the oracle error :

Here, we will review quickly and easy and introduction to know the most basically commands to start.

I will start, as common with alert log file:

tail -f…

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How to Start , Stop and Restart database easy in Oracle 19.

Hello friends, here again.

It’s a minimal post to share this option to start, stop and restart the oracle databases as linux services.

If you remember on my last article oracle installation, we used the file oracledb_ORCLCDB-19c to configure and install the databases and containers, we will use the same script as operating system service.

We must run this script as root user ever,…

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Delete archivelog until time

Many, but many times the people have problems with the archivelogs. And call our team to save you…. The FRA its full.

So… we discovered that they not take policys and controls about the databases , when they have 100 o more database to admin.

Here… the scritp to clean… but remember… this is not the solution.

The solution its planning and automatization. Happy delete !

All:

delete…

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Install Oracle 19c - RPM Package Mode

Install Oracle 19c - RPM Package Mode, Simple and easy, as it should always be.

Simple and easy, as it should always be.

For years I wanted to witness this moment, install oracle database in a single, simple and fast method.

With the current CI-CD paradigm, continuous deployments, continuous delivery and continuous integration, Oracle really had to provide such a solution.

Through this methodology, which involves performing the installation and configuration of the…

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Oracle Database 19c, Now Available !

Oracle 19c

Hi Friends !

I’m come back to share the last recently news about the Oracle Databases.

Oracle Database 19c is the long-term support version of the Oracle Database 12c and 18c family of products, which is available to Premier and Extended Support customers through March 2023 and March 2026, respectively.

It is available on Linux, Windows, Solaris, HP / UX and AIX platforms,…

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