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Category Archives: Technical
Docker and Kubernetes on MacOS in 2023
Prerequisite: install brew /bin/bash -c “$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)” Docker with brew brew install docker docker-compose colimacolima startdocker ps Kubernetes too? brew install k3d kubectlk3d cluster create default –servers 1 –agents 3 –image rancher/k3s:latestkubectl get nodes PS. Works on Intel based … Continue reading
Posted in Mac OS X, Technical
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Initial Nvidia Jetson Nano performance numbers
Here are some numbers illustrating the performance I have seen for the Nvidia Jetson Nano so far. Deep learning Training this PyTorch Image Classifier with the flower data set, took just under 10 hours for the full 30 epochs. Not at all … Continue reading
Tips and tricks for the Nvidia Jetson Nano
I have just received my Nvidia Jetson Nano development kit, and over time this post should turn into a collection of tips and tricks for this very interesting almost single-board-computer. 1. Getting started There is a pretty good tutorial available … Continue reading
Workaround: Mac OS X High Sierra 10.13.2 – SSH tries to connect via HTTP proxy
With Mac OS X release 10.13.2 Apple introduced a new bug where OpenSSH will attempt to use any web proxy configured from a DAC file. As SSH is not HTTP this will typically not work, resulting in connection timeouts or other … Continue reading
Fast track: Installing Ansible 2.1 stable on Oracle Linux 6.7
Ansible can certainly be installed using prebuilt packages from the EPEL repository, but while convenient, their offering is limited to Ansible 1.9.x – that is to say only versions prior to the major 2.0 release that includes a number of … Continue reading
Posted in Ansible, CentOS, Enterprise Linux, Oracle Linux, Red Hat Enterprise Linux, Technical
Tagged ansible, installation, rpm, rpm-build, upgrade
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Adding Oracle Database Appliance to ULN
At some point you may want to register an Oracle Database Appliance with the Oracle Unbreakable Linux Network so you can get a critical security update, without running a complete ODA update bundle. However, if you happen to be running … Continue reading
Posted in ODA, Oracle, Technical
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Make Oracle VM 3.2.x console work on OL6
How to make Oracle VM 3.2.x RAS proxy work on OL6 1) Install Iced Tea sudo yum install icedtea-web 2) locate java.security sudo vi /usr/lib/jvm/java-1.7.0-openjdk-1.7.0.95.x86_64/jre/lib/security/java.security 3) comment out the line starting with: jdk.tls.disabledAlgorithms= Additional tip: If the browser can’t connect … Continue reading
Posted in Oracle, Oracle VM
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Fast track: Deploy EM 13c agent on Oracle Linux 6
Key steps to do an initial deploy of the Enterprise Manager 13c agent on Oracle Linux 6 Please note that my fast track posts are intended for lab use only. Install OL6 or deploy VM template from Oracle disable iptables adduser … Continue reading
Posted in Enterprise Manager, Oracle, Technical
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Workaround for OVMM database restore BUG – OVCA 2.0.2 – OVM3.2.8.x
If you ever have to restore the Oracle Virtual Machine Manager database using the provided RestoreDatabase.sh, chances are that you will end up with a bunch of corrupted or missing tables in the back-end MySQL database schema. Specifically, all tables … Continue reading
Posted in Oracle
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Lesson learned: How to kill an Oracle Virtual Compute Appliance
If you’re having a rather dull afternoon at the office, and you happen to have an OVCA as your personal playground, you can always try this little trick to spice up your day: Point your browser to the Oracle VM … Continue reading
Posted in General, Oracle
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