Stuff about Cloud, DevOps, SDx, …
Installing Docker & Docker Compose on CentOS 7/RHEL 7 is quite straight forward, but this process is quite tricky in CentOS8/RHEL8. This is because of the fact that Docker is not officially supported on CentOS8/RHEL 8 as it has been…
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Bash completion is a bash functionality that helps users type their commands faster and easier, by presenting possible options when the tab key is pressed while typing a command. Bash auto-completion saves you time from typing text when it can…
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If you are running a CentOS 7/8 or RHEL7/8 in your environment with minimal installation and for want to install a graphical desktop for some reason, it is a very easy process. Thanks to the yum grouplist and the yum…
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Oracle VM VirtualBox is a free, open source, cross-platform application for creating, managing and running virtual machines (VMs). Oracle VM VirtaulBox is a good free alternative to other type 2 virtualization softwares like VMware Workstation/Fusion or Mirosoft Hyper-V. VirtualBox may…
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Time synchronization is very important in any production environment, as a correct time configuration is mandatory for many applications. Some examples of this are authentication DB replication, and backup…etc. I had recently noticed continuous security alerts appearing in my monitoring…
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Managing time in Linux is a very important concept, as many applications may not work without a proper time configuration. In this post, we’ll explore the tools that help you manage time in Linux, but before jumping into the configuration…
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In Kubernetes, containers are running within a pod. A Pod is group of one or more containers running on a worker node. A pod basically represents the application you want to run on your Kubernetes cluster. Pods can be created…
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If you want to get started with Kubernetes and take some time exploring the concepts and features of what this orchestration tool can bring to your infrastructure, but don’t have an access to Cloud provider like Google Cloud Platform, AWS…
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When it comes to managing a Kubernetes cluster and creating Kubernetes resources, you can either use the simple command line tool like kubectl or create manifest files in JSON or YAML. While The first method is easier and faster to…
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If your are on Linux and need to list all the files in the form of a tree (a directory, all its subdirs, all subdirs of those, etc.), you can use the very handy tree command to do so. On…
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