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Author Archives: Bobby
US Foods IT Hiring
US Foods IT Jobs: url My company is hiring a number of IT positions with more to come soon. Bobby
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MiB – not Men in Black!
Yesterday I was reading over some Kubernetes documentation and ran across the abbreviation MiB. I almost ignored it and kept reading. It seemed to just mean megabytes as in 256 MiB meaning 256 megabytes or 256*1024*1024 bytes. It was here: … Continue reading
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Gold image for 19.16 install on RHEL 8
On Red Hat 7 Linux VMs we use a zip of a 19c Oracle home with the latest quarterly database release update applied which at the moment in 19.16, the July 19, 2022 version. Our standard deployment script just unzips … Continue reading
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netstat -o shows that (ENABLE=BROKEN) turns on TCP keepalive
In an earlier post I showed a Java program that will login to an Oracle database and wait for 350 seconds. I also talked about how we set the Linux parameter net.ipv4.tcp_keepalive_time to 60 seconds but that I needed to … Continue reading
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350 Second Timeout Causes ORA-03135 Errors in AWS DMS
This is a follow up to an earlier post about the 350 second timeout that is built into Amazon Web Services’ (AWS) Gateway Load Balancer (GWLB). The earlier post was about Debezium (DBZ) using its Oracle Connector to pull data … Continue reading
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Docker Sample Application behind Zscaler
I am trying to learn about Docker by installing it on an Oracle Linux 7 VM on top of VirtualBox on my work laptop. My work laptop uses Zscaler. I had a bunch of certificate issues and ended up learning … Continue reading
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350 second AWS timeout causes JDBC call to hang
When I run the following Java program on an AWS EC2 Linux virtual machine connecting to an Oracle database in my company’s internal network it hangs forever. When I run it on a Linux machine on our internal network it … Continue reading
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Do SET_AUDIT_TRAIL_LOCATION before INIT_CLEANUP
This is all old stuff, but I want to record a simple thing I found. I was following Oracle’s support document for setting up audit table cleanup using the DBMS_AUDIT_MGMT package. I used this document: SCRIPT: Basic example to manage … Continue reading
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Oracle 21c Laptop Install
Finally got around to installing Oracle 21c on my laptop. I installed it on Oracle’s Linux version 7 running in VirtualBox. There are other posts out there, so I won’t get too detailed. I noticed this post: https://oracle-base.com/articles/21c/oracle-db-21c-installation-on-oracle-linux-7 But I … Continue reading
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Dropping sequences whose name starts with ISEQ$$
We had an application that created 500,000 tables and 500,000 sequences and the vendor sent us a cleanup script that we thought would drop the tables but not the sequences. It took us a few attempts to get a cleanup … Continue reading
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