MiDBA

Build an Oracle DBA on a firm foundation of sound practices and technical knowledge!

Sunday, December 15, 2019

apt update public key issue

When running "apt update" in raspberry pi, facing below warning message W: An error occurred during the signature verification. T...

Thursday, October 31, 2019

About RAC SCAN IP

A SCAN (Single Client Access Name) is a special case of VIP. The SCAN should also be defined in DNS, and not assigned to any host or inte...

Tuesday, October 29, 2019

CRS-5019:All OCR locations are on ASM disk groups [DATA], and none of these disk groups are mounted.

In my case , from ASM alert.log , actually it is due to ASM failed to start because of ORA-00600 as shown below. ORA-0060...

about data guard FAL setting

FAL_SERVER = Specifies one or more Oracle Net service names for the databases from which this standby database can fetch (request) missing...

Thursday, October 03, 2019

Key things leared from VNC Server setup

1.Commands: to setup different desktop. Note that the desktops used by VNC server shall not be the same as that for direct access' desk...

Sunday, January 28, 2018

config HTTPS for APEX 5.1 running on SE2

In my case, self-signed certification is used. High level steps are; 1. Relink SE Oracle binary in order to support TCPS. Skip this s...

Thursday, January 25, 2018

bash commands for QNAP

This is useful. find /share/Multimedia/ –name *.m4a | while read foo; do rm “$foo” ;done https://www.ripcaster.co.uk/node/772

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