Real-Time Operating System
Real-Time Operating System – RTOS, is an operating system designed for real-time applications. RTOS operating systems are designed to serve...
The Kerberos protocol
The Kerberos protocol was designed at the MIT (Massachusetts Institute of Technology) at the Athena project around 1984. The purpose...
Flame graphs for Linux file systems
Everybody gets to that moment when they need more space on the hard drive. You often just ask yourself: Where...
Leanote, a Linux alternative for Evernote
I started looking for a replacement solution for Evernote that can store local notes or a personal web server. And...
QEMU and KVM in Arch Linux
KVM (Kernel-based Virtual Machine) is the native Virtualization System from RedHat; is a hypervisor built directly into the Linux kernel....
How to use Helm in Kubernetes
Think of Helm as a package manager: pacman in Arch Linux, apt-get in Ubuntu or yum/dnf in Red Hat/Fedora. Helm...
Minikube, the easiest way to run Kubernetes locally
Minikube runs a Kubernetes cluster with a single node inside a virtual machine on the personal computer. Therefore, there is...
Building a Kubernetes cluster (K8s) on CentOS 7 in a KVM
Kubernetes is an open source tool for managing and orchestrating docker containers in a cluster of servers. Kubernetes (abbreviated k8s)...
Managing files in Linux: the cp command
One of the most used commands in Linux is cp (abbreviated from copy). The cp command copies a file. Its...
Managing files in Linux: mv command
Command mv (short of move) is used both to move files and folders from one place to the other, and...
Managing files in Linux: ls command
The ls command (list) displays the file names in a directory. The syntax of the ls command is simple: ls...
Groupdel command – delete groups in Linux
The easiest way to delete a group in Linux is using the groupdel command. The basic syntax is: groupdel group_name...
