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Technical Note: INS-44000 Passwordless SSH Connectivity Not Setup During GI 19C Install


This is a Technical Note about an issue with OpenSSH on RHEL 8 that caused a failure during the installation of Grid Infrastructure 19C.

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Posted on 01/08/2022 by Douglas. Posted in Oracle Clusterware 19C, RHEL 8.6, Technical Note | Leave a comment

Book Review: Fifty Years of Relational, and Other Database Writings


This is my review of "Fifty Years of Relational, and Other Database Writings" by C.J.Date.

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Posted on 17/02/2021 by Douglas. Posted in Book Review | Leave a comment

Release V2.0 of Oracle-DB-Builds for 19C EE Installation


I have created release V2.0 for 19C EE database installation.

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Posted on 05/02/2021 by Douglas. Posted in Uncategorized | Leave a comment

Release V1.0 of Oracle-DB-Builds for 18C XE Installation


I have created release V1.0 for 18C XE database installation.

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Posted on 05/02/2021 by Douglas. Posted in Oracle RDBMS Software, Oracle Software, Oracle XE | Tagged Ansible 2.9 | 1 Comment

Continuing Saga of Converting Google Classics Site


The saga of recovering my wiki from the forced conversion from Google Classic Sites continues.

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Posted on 04/02/2021 by Douglas. Posted in Uncategorized | Leave a comment

Installed Ansible 2.9 Controller


I am really frustrated with Ansible 2.10. It just breaks too many of my existing scripts (especially running against Oracle Linux 7).

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Posted on 02/02/2021 by Douglas. Posted in Ansible, Applications Development Tools | 1 Comment

Quick Analysis of ORM Plans Comparison for VM CPU Pool of Six Cores


I have done some further analysis following “Analysis of XEN and VirtualBox Tests on ORM Plans“.

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Posted on 21/01/2021 by Douglas. Posted in SQL Performance | Leave a comment

Book Review: Database Reliability Engineering: Designing and Operating Resilient Database Systems


"Database Reliability Engineering: Designing and Operating Resilient Database Systems" is a follow-on from these books:

  • "Systems Reliability Engineering" (SRE)
  • "Seeking SRE: Conversations About Running Production Systems at Scale"
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Posted on 21/01/2021 by Douglas. Posted in Book Review | Tagged DBRE, SRE | Leave a comment

2020 Missing Semester Course from MIT


The Missing Semester series of video lectures is very interesting and informative.

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Posted on 21/01/2021 by Douglas. Posted in Uncategorized | Tagged MIT, Progranning | Leave a comment

Analysis of XEN and VirtualBox Tests on ORM Plans


Following on my Preliminary Analysis of the Effect of ORM Plans on Throughput, I reproduced the performance tests on a XEN server VM instead of a VirtualBox VM.

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Posted on 19/01/2021 by Douglas. Posted in General, SQL Performance | 2 Comments

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