Vagrant tips: How to automatically adjust the Time Zone of your vagrant box

Intro I was playing with my Linux vagrant boxes lately and I realized I was always spinning third party boxes that had a totally different time zone (Europe/UK mostly). Up until now I never bothered as I have used bunch of those from vagrant Cloud for years. I sometimes notice, and think of using a …

Fixes for Vagrant/Virtualbox errors due to latest Windows 10 updates

INTRO It is always hard to keep up with Operating systems upgrades and patches for software companies, not only vagrant or Virtualbox. But if there was an OS that could make it even worse for us — end-users — that would definitely be Windows 10. Microsoft can’t never to amaze us, so much their updates …

How to Enable Nested Virtualization in VirtualBox (New Feature)

Did you ever want to have labs where you could play with different hypervisors withing a single virtual machine in your laptop? I know this sounds more like an INCEPTION remake than a decent requirement but you can’t blame us for being greedy knowing all what tools like virtualbox can help us do nowadays.  To give …

Vagrant: Create a Red Hat 8 base box packaged for Oracle 19c (Vbox)

Intro Vagrant is an opensource tool for working with virtual environments (VirtualBox,HyperV,Vmware..etc). It provides a simple command-line client for managing these environments, using a text-file (VagrantFile) defining the attributes of each environment.   To know more about vagrant you can try their getting started guide or consult the Vagrant official documentation. Vagrant cloud already offers a …

Clone a RAC 12c VM environment with Virtualbox (import/export)

  Intro Have you ever finished a lab in your laptop with several virtual machines connected to each other and thought “Well that was neat! but how can I create a backup in my external hard drive and run it again at work or in any other computer?” The answer lays in this very article. …

MAA setup– Creating Single instance Physical Standby for RAC Primary – 12c

Introduction: Oracle provides many options for preventing downtime and data loss, all of which make up the Maximum Availability Architecture (MAA). The Oracle Maximum Availability Architecture offers a set of standard reference architectures–Bronze, Silver, Gold, and Platinum Solutions– that comply with Customer Business Objectives. With multiple instances, the RAC system gives a transparent HA and …