Author: Brian Cadwell

Integrating AbuseIPDB into pfBlockerNG

I have been monitoring IP’s that slip through my current feeds in pfBlockerNG on my pfSense run appliance. When I encountered one that hit my proxy or attempted to hit a port I would often lookup that IP on the “Google”. The search results were almost always first presented from https://www.abuseipdb.com/. This site’s database is […]


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‘ORA-1105 signalled during: alter database mount

What occurred: The Primary database instance failed to start using srvctl citing an ‘ORA-1105 signalled during: alter database mount…’  in the alert log of the primary instance. Upon a manual attempt at starting up the instance we also received ‘ORA-19808: recovery destination parameter mismatch’  at the SQL prompt. A review of the parameters of both […]


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Solution to: ORA-01623 / ORA-01624 / ORA-01567 dropping ORL on a STANDBY

Online Redo Logs on Physical Standby (Metalink Doc ID 740675.1) states that if you encounter an ORA-01623 when trying to drop a redo log ON THE STANDBY that the only way to drop the group (While it is still a standby) is to recreate the standby control file. This is an can be an invasive […]


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