Tuesday, 19 May 2020

Quick Guide for Oracle Cloud Infrastructure Foundation Exam 1Z0-1085

Recently was able to pass exam 1Z0-1085 in first attempt with simple learning

Started preparation with Oracle free learning sessions,  Most of the Q&A were covered in Oracle free Cloud training , You can try to complete all topics
Practice exam will provide some insights on test

Exam Title: Oracle Cloud Infrastructure Foundations 2020 Associate
Exam Number: 1Z0-1085
Format: Multiple Choice
Duration: 105 Minutes
Number of Questions: 60
Passing Score: 68%

Topics Covered
1.  Cloud Concepts
Ø  Understand terms like Scalability, Elasticity, Agility, fault tolerance, and DR, CapEx, OpEx
Ø  Understand and differentiate between IaaS, PaaS and SaaS
Ø  Understand Public, private and hybrid cloud models
Ø  Reduce TCO with migrations (on-premises to cloud without re-architecting)

2.  Getting Started with Oracle Cloud Infrastructure
Ø  Describe the key features and components of OCI.
Ø  Regions (Multi-AD, One-AD), ADs, Fault Domains, OCI Console, REST API, CLI SDKs

3.  Core Oracle Cloud Infrastructure Services
Ø  Understand Core OCI Services: IAM, Compute, Network, Storage, and Database.
Ø  Understand Cloud Native Services: OKE, OCIR, Function, Streaming, API-Gateway

4.  Security and Compliance
Ø  OCI Security services (VCN, SL, NSG, WAF, Identity, MFA, KMS, Data Safe, Audit) and compliance.

5.  Pricing, Support and Operations
Ø  OCI Pricing Model. Understand OCI subscription models, pricing calculator, Free tier, OCI SLA.
Ø  OCI Operations. OCI concepts like budget, quota, limits and support.

Thursday, 14 May 2020

The "visiblepw" is not set the sudoers file and as a result, the user will not be able to run sudo over ssh

Error while deploying oem agent

Login as root and modify /etc/sudoers file 

root# cat /etc/sudoers | grep visiblepw
Defaults   !visiblepw
root# vi /etc/sudoers
root# cat /etc/sudoers | grep visiblepw
Defaults   visiblepw