Category: Containers

Containers, Docker, script

Clean up qcow2 in Docker on MacBook

I really enjoy figuring out stuff to do with DOCKER, but I recently tweeted the following: Why you ask? Well, there is this file, Docker.qcow2 located right here: ~/Library/Containers/com.docker.docker/Data/com.docker.driver.amd64-linux/Docker.qcow2 on my MacBook Pro that consumes all of the remaining space I have on my hard drive, and SSD’s ain’t cheap.  I’m sure I need to …

Containers, Docker

Removing Docker Containers and Images

Removing Docker Containers and Images In a recent post about Docker, we looked into some things that differentiate Docker containers from Virtual Machines. I also gave a brief example of creating your first Docker image. If any of that piqued your interest and you started just trying stuff, you end up like I did with …

12C, CDB, Containers, Database, Databases, DBA, Hints and Tips, ORA-01033, Oracle, PDB, Pluggable Databases, script, SQL, SQLDev, startup, Startup Script

Use Start-up Script to Modify State of your Pluggable Database to Open Read Write in SQL Developer 4.0 EA3 (ORA-01033)

I’m playing around with Oracle’s SQL Developer 4 EA3 and Database 12c.  Using SQL Dev, I quickly created a Pluggable Database (PDB). I try to open it, and I get this (ORA-01033). Then I remember reading that the Pluggable Databases don’t open automatically when the database services are started.  Well that sucks because now I …