Robin Moffatt is a Principal DevEx Engineer and seasoned conference speaker with 15+ years of experience presenting at top events like QCon, Devoxx, Kafka Summit, and Strata. He shares insights on developer experience, distributed systems, and cloud technologies through his blog, YouTube, and public talks.
625 articles from this blog
Fixing OGG-15051 error: 'Class not found: kafkahandler' due to a typo in Oracle GoldenGate Kafka handler configuration.
Fixing Oracle GoldenGate for Big Data Kafka handler error: 'Class not found: com.company.kafka.CustomProducerRecord'.
Resolving a Kafka Connect JDBC error with Oracle due to case-sensitive table names in connector configuration.
A technical guide on integrating Apache Kafka with Oracle Stream Analytics for real-time data processing and stream analytics.
Exploring Oracle Stream Analytics (OSA), a tool for real-time analysis of streaming data like Kafka and Twitter feeds via a web interface.
Fixing a Kafka Connect HDFS/Hive integration error caused by using the wrong converter class, preventing automatic schema creation.
A guide to configuring apcupsd on a Debian/Proxmox server with an APC UPS, covering installation, device detection, and troubleshooting.
Guide on using R within Jupyter Notebooks to analyze and manipulate datasets in Oracle Big Data Discovery, enabling advanced statistical workflows.
Fixing Spark SQL's 'No input paths specified' error when reading JSON files by using the correct file:// or hdfs:// URI prefix.
Explores using SparkSQL and Pandas to import data into Hive and Big Data Discovery, bypassing manual Hive table creation.
Fixing SSH connection errors in Proxmox 4 LXC containers by correcting the network CIDR suffix from /32 to /24.
Guide to resetting a Hue user's password and activating the account in a Cloudera/Hadoop environment using Django shell commands.
Troubleshooting a 'No current connection' error in Apache Drill caused by a conflicting Jackson JAR file, with a solution provided.
A technical guide on resolving ClassNotFoundException errors when using the MongoDB-Hadoop connector with Apache Hive, focusing on required JAR files.
Fixing a CDH installation failure on LXC/Proxmox caused by an erroneous SwapFree value in /proc/meminfo when swap is disabled.
Guide to using Jupyter Notebooks with Oracle Big Data Discovery 1.2 for advanced data science and Python/Spark integration.
Guide to setting up Big Data Discovery Shell and Jupyter Notebooks on Oracle's Big Data Lite VM for advanced data science work.
A guide to recovering a bricked Ubiquiti EdgeRouter Lite using a Mac, serial connection, and TFTP to fix corrupt filesystem errors.
A technical guide on installing Docker on Proxmox and running a Resilio Sync (BitTorrent Sync) container for decentralized file synchronization.
A technical guide on converting and importing existing VMWare and VirtualBox virtual machines to run on the Proxmox virtualization platform.
