All about July 2017 PSU  Red Hat Kernel upgrade ACFS patching Security Patch.

Will apply July 2017 PSU Kernel ACFS on our 2 nodes RAC cluster on RH 7.4, at the same time our SA (System Administrator) also suggested to upgrade the Linux Kernel from 327 to 693, latest Red Hat  (linked on 12/25/2017).

Operating System: Red Hat 7.4 – how to check operating system
OS Kernel: 3.10.0-327.36.3.el7.x86_64 #1 SMP (current)
OS Kernel: 3.10.0-693.5.2.el7.x86_64 #1 SMP (after upgrade)
Database: Oracle 12.1.0.2 – 12c – how to ch… Read more

Oracle Patching Test Post

Apparently we had reached a great height in the atmosphere, for the sky was a dead black, and the stars had ceased to twinkle. By the same illusion which lifts the horizon of the sea to the level of the spectator on a hillside, the sable cloud beneath was dished out, and the car seemed to float in the middle of an immense dark sphere, whose upper half was strewn with silver. Looking down into the dark gulf below, I could see a ruddy light streaming through a rift in the clouds.… Read more

2 ways, when you logged in to sqlplus:

After logging into the database, can query data dictionary:

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