@ExaGridDba

AI, Cloud, and databases

 New York
exagriddba.com
Joined September 2009
  • Tweets8.4K
  • Following1.6K
  • Followers1.3K
2.6KMedia
Before I read this book, I didn't even know how to spell XDR. @cortexbypanw paloaltonetworks.com/resourc…

XDR For Dummies Guide

Our Dummies Guide for XDR explains what extended detection and response is and isn't. Learn why this security solution is vital for protecting the modern enterprise.

paloaltonetworks.com
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Fact.
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Too many notes, said the emperor.
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til (or relearned) Oracle silently truncates data.
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Pleased to meet you.
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iykyk
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Oracle Critical Patch Update Pre-Release Announcement - October 2026 oracle.com/security-alerts/c… max CVSS scores: DB: 8.8 OEM: 9.9 EBS, FMW, JDE 10.0 MySQL 9.8
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Upgraded to OEM 24ai
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It's Friday, 4:45 p.m. emprereqkit 24ai is done. Time for one more sip of coffee and this Tweet. Up and at 'em Monday for the migration!
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Don’t let Lucy pull the football. Every autumn, Charlie Brown takes a running start at the football. Every autumn, Lucy pulls it away at the last second... exagriddba.com/2026/10/04/do…

Don’t let Lucy pull the football

By Brian Fitzgerald Every October, Charlie Brown takes a run at the football, and every time, Lucy pulls the football away at the last second. Year-end database changes can feel the same way. We pr…

exagriddba.com
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Brian Fitzgerald retweeted
Oracle APEX
@OracleAPEX27 May 2021
We're heartbroken to share that Joel Kallman has passed away from Covid-19 on May 25th. He was 54. Joel's warmth and enthusiasm touched countless across the globe. We miss him dearly. We invite you to share your memories: apex.oracle.com/joel #orclapex @joelkallman
Black and white photo of Joel R. Kallman (1966-2021)

ALT Black and white photo of Joel R. Kallman (1966-2021)

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Completed migration of on-prem databases to RHEL-9. RHEL-7 is eliminated.
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Oracle released Critical Security Patch Update for September 2026 today. This one patches RDBMS, not clusterware, and carries a max CVSS base score of 8.8. AWS could release this patch to RDS in about a month.
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MAC in this case is "message authentication code", a cryptographic integrity check, not your device hardware address.
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Whatever you need to do today, the Third of September, get it rolling! youtube.com/watch?v=S5xAtsXb…

The Temptations - Papa Was A Rolling Stone

1972 - Single Version

youtube.com
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ClaudeForce announced.
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Opinion: Change Control (updated) exagriddba.com/2021/03/25/ch…

Change Control

By Brian Fitzgerald Introduction This is the change control policy that I recommend for DBA organizations. Change Policy A production change requires these elements: Written implementation steps. W…

exagriddba.com
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Handshake failure after JDK upgrade: Improve your TLS forward secrecy. exagriddba.com/2026/08/25/ha…

Handshake failure after JDK upgrade

by Brian Fitzgerald Introduction After upgrading to JDK 8u481, 11.0.30, 17.0.18, 21.0.10, or 25.0.2 or later, this error appears: java.sql.SQLRecoverableException: IO Error: IO Error (handshake_fai…

exagriddba.com
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RHEL 9.8 ssh-keygen (May 2026) creates not ssh key id_rsa by default, but id_ed25519, using djb's curve. Oracle RAC builds work fine with id_ed25519 @hashbreaker
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In the 19c grid installation manual ssh-keygen -t dsa was poor advice, even when the manual was written. SSH DSA keys are obsolete and insecure: 1. The key length (1024 bits) is too short. 2. SHA-1 (weak) is used. 3. nonce reuse leads to private key compromise.
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