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Installing Fedora 35 on Macbook Pro 13 inch (late 2011)

This weekend I decided to update my old Macbook Pro 13 inch from late 2011, with 125GB SSD and 8GB RAM. It’s a machine I’ve taken on trips around the world and back in the day ran many a session, workshop, or demo on sharing all that AppDev goodness you know from JBoss technologies. Last time we checked, this was ...

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Installing Fedora 33 on Macbook Pro 13 inch (late 2011)

This weekend I stumbled on an old Macbook Pro 13 inch from late 2014, with 125GB SSD and 8GB RAM. It’s a machine I’ve taken on trips around the world and back in the day ran many a session, workshop, or demo on sharing all that AppDev goodness you know from JBoss technologies. Well, after verifying that it’s battery works, ...

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Creating a CentOS Startup Screen

When distributing bundled software, you have multiple options, but if we exclude fancy newcomers like Docker and Kubernetes, you’re left with the following options: an installer (for Windows), a package (rpm or deb) for the corresponding distro, tarball with a setup shell script that creates the necessary configurations, and a virtual machine (or virtual appliance). All of these options are ...

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Ubuntu 20.04 on a 2015 15″ MacBook Pro

I decided to give Ubuntu 20.04 a try on my 2015 15″ MacBook Pro. I didn’t actually install it. I just live booted from a USB thumb drive which was enough to try out everything I wanted. In summary, it’s not perfect, and issues with my camera would prevent me from switching, but given the right hardware, I think it’s ...

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30 Examples of MySQL Commands in Linux

Here is my list of some of the most useful  MySQL commands which I have used in my day to day life while working with MySQL database in Linux. This comes straight from my notes so you may not find a lot of documentaries around it but they all are very useful. If you need to know more about any ...

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How to create a CentOS 7 virtual machine in VMware Workstation 15

How to create a CentOS 7 virtual machine in VMware Workstation 15 You want to set up CentOS 7.7 in VMware Workstations 15 Player with the following configurations: two SCSI hard disks, each with 100 GB of storagetwo virtual CPUs You will need the following bill of materials: Host operating system with sufficient memory and hard disk capacityCentOS 7.7 imageWMware ...

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TCP: out of memory — consider tuning tcp_mem

Recently we experienced an interesting production problem. This application was running on multiple AWS EC2 instances behind Elastic Load Balancer. The application was running on GNU/Linux OS, Java 8, Tomcat 8 application server. All of sudden one of the application instances became unresponsive. All other application instances were handling the traffic properly. Whenever the HTTP request was sent to this ...

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OpenVINO Ubuntu Xenial, Virtualbox and Vagrant Install, Intel NCS2 (Neural Compute Stick 2)

#OpenVINO Ubuntu Xenial, Virtualbox and Vagrant Install, Intel NCS2 (Neural Compute Stick 2) Prerequsites Download Latest VirtualBox from [https://www.virtualbox.org/wiki/Downloads] https://www.virtualbox.org/wiki/Downloads Make sure to download extension pack Oracle VM VirtualBox Extension Pack Download and Install Vagrant from[https://www.vagrantup.com/downloads.html]https://www.vagrantup.com/downloads.html First step is to setup VM. 1 vagrant up Vagrant is configured to apply all usb filters required to access Neural Compute Stick 1 ...

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