Red Hat Certified System Administrator in Red Hat OpenStack exam tests the Openstack management skills of candidate. Before you start preparing for this exam you should understand basic Linux. Redhat recommends skills of at least the level of RHCSA-RHEL. And this level is important as it’s a lab exam and you have to answer the questions by doing them practically.
If you are a newbie on linux and want to quickly master linux you can check Learn Linux course on Udemy.
Here I am listing few Linux commands and topics which you should know before sitting for the Redhat Openstack exam.
Most of the services provided by different cloud providers are same as what you do in on-premises setup, they just have a different name in cloud. Below is comparison of major services offered by different cloud providers and what they mean in simple laymen terms. Hope this is helpful to you.
This document is created to show you how to grant cross account access to a user and restrict it to a folder in S3 bucket. It can be a very useful cost saving measure where you don’t have to duplicate the data in QA bucket. While keeping the data safe as you are granting only read access to data.
Problem:- We want to allow the QA user (qauser) to get files which are in Production bucket (prodbucket) but it should only be able to access folder1 which is in prodbucket. Also both Production user (produser) and qauser should be able to access the buckets which are in their own accounts.
Hirearchy of prod bucket is prodbucket/folder1 .
example.com currently unable to handle this request. HTTP ERROR 500
Above error is general and can be related to multiple things. Here we will look at a step by step approach to troubleshoot this. Login to your linux server.(If it’s AWS instance refer How to login to AWS EC2 Linux Instance )