AWS Certified Solutions Architect – Associate Preparation Guide

The AWS Certified Solutions Architect Associate exam is intended for individuals who perform a Solutions Architect role. This exam validates an examinee’s ability to: Identify and gather requirements in order to define...

Hardening Security For Sudo Configuration On Red Hat/Centos

Hardening Security For Sudo Configuration On Red Hat/Centos I/ Configure send notification mail to admin when has sudo action:

Using Replica Set And Daemon Set Deploying/Managing Pod In K8s

- Introduction and using Replication Controller at link: https://tech2fun.net/liveness-probe-and-replication-controller-for-managed-health-of-pod-in-k8s/ I/Replica Sets Overview: - Replica Sets is new generation of Replication...

Creating Shell Scripts With Menu Options For Automation Tasks In Linux

Creating script with menu options for manage users task *Some useful cmd: - Check machine information: hostnamectl - List all shell...

Relational vs non-relational databases

In the world of database technology, there are two main types of databases: SQL and NoSQL—or, relational databases and non-relational databases. The difference speaks to how they’re built, the type of...

Containerize Django App And Deploy To Tanzu Kubernetes Cluster

- Clone SFTP-Parsing Log source from github: https://github.com/vominhtri1991/sftp_logs_review_web.git - Prepare Dockerfile with below content for building new image

K8s Nginx Ingress Handling TLS Traffic And Using Pod Readiness Probes

*Configuring Ingress to handle TLS traffic: - When a client opens a TLS connection to an Ingress controller, communication between the client and the controller is...

How To Backup And Recovery MySQL Database

Backup And Recovery MySQL Database Using Mysqldump/mysql Command And Workbench Tool 1/ Backup with mysqldump: -Mysqldump is an utility used for logical backup.It...

5 mistakes that doom a DevOps transformation from the start

Many DevOps transformations fail because organizations approach them with the wrong attitude—and because they don't understand what they should be trying to achieve. Get rid of your DevOps delusions and...

curl vs wget

What both commands do both are command line tools that can download contents from FTP, HTTP and HTTPS both can send HTTP POST requests both support HTTP cookies both are designed...
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Using Ansible Playbook To Snapshot Virtual Machine On vSphere

Using Ansible Playbook To Snapshot Virtual Machine On vSphere - Ansible provides various modules to manage VMware infrastructure, which...

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