Articles, notes and random thoughts on Software Development and Technology
If you have a Docker image created with a non-root user using USER in your Dockerfile, but you need to su to root to install or update something owned by root, without setting a root password you won’t be able to su to root. Instead, add a password for root in your Dockerfile (this is …
Continue reading “Setting a root password for a Docker image created with USER”
Most of Weblogic’s config utilities can run in a console/text mode if you need to run them from a terminal session in text mode, by passing the option: -mode=console E.g. the apps here: /[middlewarehome]/wlserver_10.3/common/bin, like config.sh will run in console mode. config_builder.sh however does not, and only runs in gui mode. This is an issue if …
This year at JavaOne 2015 there was a recurring theme across many of the Cloud and DevOp tech sessions that was promoting self-contained deployable Jars (not EARs or WARs) as a more efficient approach for deploying lightweight Java based services. This approach also plays well for a microservices type architecture and can also easily make use of …
Continue reading “Java EE App Servers – are they still relevant in a world of Docker containers?”
I posted a while back about running mysql in a Docker container on an Apple Silicon MacBook. It’s been a while since I’ve run mysql locally, and it seems the mysqlsh client is now preferred over the previous mysql client. With mysqlsh, after connecting, to issue a ‘use’ command to select a db, use ‘\use …