Monitoring, Elastic Stack, HowTos

How to Copy Kibana Dashboard to Another Kibana Space

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koromicha
VirtualBox, HowTos, Virtualization

Install VirtualBox Guest Additions on Ubuntu 20.04

Security, HowTos, OpenVPN, VPN

Step-by-Step Guide: Install and Setup OpenVPN Server on Ubuntu 22.04

Security, Elastic Stack, HowTos, SSL/TLS

Generate Wildcard SSL Certificates for Elasticsearch

Virtualization, HowTos, VirtualBox

Install VirtualBox Guest Additions on Wubuntu

Containers

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kubernetes drain vs cordon nodes

Kubernetes Nodes Maintenance: Drain vs. Cordon Demystified

What is the difference between Kubernetes kubectl drain and kubectl cordon commands? Well, keeping your Kubernetes cluster healthy and running …
Install Minikube on Debian 12

Step-by-Step Tutorial: Install Minikube on Debian 12

I want to run a single node Kubernetes cluster on my local machine. But how? Well, this step-by-step guide will …
role-based access control in kubernetes

Introduction to Role-Based Access Control (RBAC) in Kubernetes

This blog post serves as an introduction to Role-Based Access Control (RBAC) in Kubernetes. It is no doubt that currently, …
install portainer on Linux

Install Portainer on Ubuntu 22.04

Setup Kubernetes Cluster on Ubuntu

Install and Setup Kubernetes Cluster on Ubuntu 24.04

Step-by-Step Guide on Deploying an Application on Kubernetes Cluster

Step-by-Step Guide on Deploying an Application on Kubernetes Cluster

nagios docker

Deploy Nagios as a Docker Container

What are the core concepts in Kubernetes?

What are the core concepts in Kubernetes?

kubernetes states: declared vs actual state

Understanding Kubernetes States: Declared vs Observed states Explained

Assign Roles to Users and Groups in Kubernetes Cluster

Assign Roles to Users and Groups in Kubernetes Cluster

Install Minikube on Debian 12

Installing Minikube on Ubuntu 24.04

Setup Portainer with SSL Certificates

Setup Portainer with SSL Certificates

Deploy All-In-One OpenStack with Kolla-Ansible on Ubuntu 18.04

Deploy All-In-One OpenStack with Kolla-Ansible on Ubuntu 18.04

install etcdctl on kubernetes cluster

How to Install etcdctl on Kubernetes Cluster

Provisioning Kubernetes Persistent Volumes with CephFS CSI Driver

Step-by-Step: Provisioning Kubernetes Persistent Volumes with CephFS CSI Driver

monitor Docker containers metrics using Grafana

Monitor Docker Containers Metrics using Grafana

kubernetes secrets

How to Use Secrets in Kubernetes Applications

Kubernetes Architecture: A High-level Overview of Kubernetes Cluster Components

Kubernetes Architecture: A High-level Overview of Kubernetes Cluster Components

Kubernetes Kustomize 101: Introduction and Basics

Kubernetes Kustomize 101: Introduction and Basics

Security

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Connect to OpenVPN using Network Manager on CentOS 8/Ubuntu 18.04

Install and Setup Suricata on Ubuntu 22.04/Ubuntu 20.04

Generate Wildcard SSL Certificates for Elasticsearch

Most Popular

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automate OpenShift Deployments with GitLab CI/CD pipelines
Containers, HowTos, Kubernetes, OpenShift

Automate OpenShift Deployments with GitLab CI/CD Pipelines

Best Way to Choose Keywords for PPC
HowTos

Best Way to Choose Keywords for PPC

Install and Setup GlusterFS on Ubuntu
Storage, GlusterFS, HowTos

Setup GlusterFS Distributed Replicated Volume on CentOS 8

install suricata
Security, HowTos, Suricata

Install and Setup Suricata on Ubuntu 22.04/Ubuntu 20.04

Install Fedora CoreOS on KVM Using an ISO File
Containers, HowTos, Kubernetes, KVM

Install Fedora CoreOS on KVM Using an ISO File: A Step-by-Step Guide

Install and Configure Libreswan VPN Client on Ubuntu/Debian

Integrate Suricata with Wazuh for Log Processing

Step-by-Step Guide to Install and Setup OpenVPN Server on Debian 12

Install and Configure Squid Proxy on Rocky Linux 8

Monitor SSL/TLS Certificate Expiry with Prometheus and Grafana

Configure SSH Local Port Forwarding in Linux

Install and Setup VeraCrypt on Ubuntu 22.04/Ubuntu 20.04

Install ClamAV on Ubuntu 24.04/Ubuntu 22.04

Detect Changes to Critical Files in Linux using Auditbeat and ELK

Configure strongSwan VPN Client on Ubuntu 18.04/CentOS 8

Configure Apache with SSL/TLS Certificates on CentOS 8

Configure CentOS/Rocky/Oracle Linux as a Linux Router

MONITORING

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Install Prometheus on Ubuntu 18.04

koromicha

In this guide, we are going to learn how to install Prometheus on Ubuntu 18.04. …

Install Telegraf on Fedora 30/Fedora 29

koromicha

In this guide, we are going to learn how to install Telegraf on Fedora 30/Fedora …

Install Cortex on Ubuntu 22.04/Ubuntu 20.04

Install Cortex on Ubuntu 22.04/Ubuntu 20.04

gen_too

In this tutorial, you will learn how to install Cortex on Ubuntu 22.04/Ubuntu 20.04. Cortex …

osquery manager

Integrate Osquery Manager with ELK Stack

gen_too

This guide will take you through how to integrate Osquery manager with ELK Stack. According …

Install and Setup Nagios

Install Nagios Server on CentOS 8

koromicha

In this guide, you will learn how to install Nagios Server on CentOS 8. Nagios provides …

wazuh agents

Install Wazuh Agent on Rocky Linux 8

gen_too

In this tutorial, you will learn how to install Wazuh agent on Rocky Linux 8. …

Install Grafana on Debian 12

How to Install Grafana on Debian 12

Kifarunix

In this guide, we will provide step-by-step instructions on how to install Grafana on Debian …

nagios

Add Hosts to Nagios Server For Monitoring

koromicha

In this guide, we are going to learn how to add hosts to Nagios Server …

check mk agents

How to Install Checkmk Monitoring Agents on Linux

koromicha

In this tutorial, you will learn how to install Checkmk monitoring agents on Linux. Monitoring …

Install GoAccess on Ubuntu 18.04/Debian 10 Buster

koromicha

In this guide, we are going to learn how to install GoAccess on Ubuntu 18.04/Debian …

filebeat

Install and Configure Filebeat on CentOS 8

In this tutorial, we are going to learn how to install and configure Filebeat on CentOS 8. Filebeat is one …
Setup Multi-node Elasticsearch Cluster

Setup Multinode Elasticsearch 8.x Cluster

Follow through this tutorial to learn how to setup multinode Elasticsearch 8.x cluster. As of this writing, Elastic Stack 8.3 …
Install Osquery on Linux

Monitor Windows Systems using Elastic Osquery Manager

In this tutorial, you will learn how to monitor Windows systems using Elastic Osquery manager. The recent versions of Elastic …

NETWORKING

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Easy way to Test Internet Speed on Linux Terminal

Easy way to Test Internet Speed on Linux Terminal

In this tutorial, we will show you an easy way to test Internet speed on Linux terminal. More often than …
Configure Static IP Addresses using Netplan on Ubuntu

Configure Static IP Addresses using Netplan on Ubuntu

How to set static IP addresses using Netplan on Ubuntu? In this tutorial, you will learn how to configure static …
Set Static Routes via an Interface/IP on CentOS/Ubuntu

Set Static Routes via an Interface/IP on CentOS/Ubuntu

In this tutorial, you will learn how to set static routes via an interface/IP on CentOS/Ubuntu systems. In a network, …
Install and use NMCLI tool on Debian Linux

Install and use NMCLI tool on Debian Linux

In this tutorial, we provide a step by step guide on how to install and use NMCLI tool on Debian …
install Malcolm network traffic analysis tool on Ubuntu

Analyze PCAP Files using Malcolm Network Traffic Analysis tool

In this tutorial, you will learn how to analyze PCAP files using Malcolm network traffic analysis tool. Malcolm can be …
install wireshark on Linux

Install Latest Wireshark on Ubuntu 18.04

In this guide, we are learn how to install latest Wireshark on Ubuntu 18.04. Wireshark is the world’s foremost and …

Install and Setup OpenVPN Server on Fedora 29/CentOS 7

In this guide, we are going to learn how to Install and Setup OpenVPN Server on Fedora 29/CentOS 7. OpenVPN …
Install and use NMCLI tool on Debian Linux

Connect to WiFi in Linux Using NMCLI command

This tutorial will guide you on how to connect to WiFi in Linux using NMCLI command. NMCLI is a command-line …
Useful Facts About Setting Up Mobile Rugged Servers

Useful Facts About Setting Up Mobile Rugged Servers

Modern warfare is evolving. Having boots on the ground is still the most important component of winning any conflict, however, …
How to fix Cisco Catalyst 8000v Edge Stuck on Bootloader upgrade not Necessary

Cisco Catalyst 8000v Edge Stuck on Bootloader upgrade not Necessary

How to fix Cisco Catalyst 8000v Edge Stuck on Bootloader upgrade not Necessary? Well, in one way or another, you …
install wireshark on Linux

Install Wireshark on Ubuntu 22.04

In this guide, you will learn how to install Wireshark on Ubuntu 22.04. Wireshark is the world’s foremost and widely-used …
Create Virtual/Secondary IP addresses on an Interface in Linux

Create Virtual/Secondary IP addresses on an Interface in Linux

Follow through this tutorial to learn how to create virtual/secondary IP addresses on an interface in Linux. This enables you …

STORAGE

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Provision Block Storage for Kubernetes on Rook Ceph Cluster

Backup Windows System via SMB Using BackupPC

Install and Configure NFS Server on Rocky Linux 8

How to Deploy Ceph Storage Cluster on AlmaLinux

How to Install MinIO on Ubuntu 24.04: A Step-by-Step Guide

How to Reset Ceph Dashboard Admin Password

Easy way to Setup NFS Server on Ubuntu 20.04

Quick Way to Setup Samba File Server on Debian 10

VIRTUALIZATION

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bullseye 11

Install Debian 11 on VirtualBox

gen_too

Follow through this tutorial to learn how to install Debian 11 on VirtualBox. The Debian …

Upgrade VirtualBox 6.x to VirtualBox 7.x on Ubuntu/Debian

Upgrade VirtualBox 6.x to VirtualBox 7.x on Ubuntu/Debian

koromicha

In this tutorial, you will learn how to upgrade VirtualBox 6.x to VirtualBox 7.x on …

kvm and terraform

Automate Virtual Machine Creation on KVM with Terraform

Kifarunix

In this tutorial, you will learn how to automate Virtual Machine creation on KVM with …

Create and Manage VirtualBox VM Groups

Create and Manage VirtualBox VM Groups

koromicha

In this tutorial, you will learn how to create and manage VirtualBox vm groups. In …

Easy Way to Extend KVM Virtual Machine Disk Size

Easy Way to Extend KVM Virtual Machine Disk Size

kaptotonindet

This is a simple tutorial on an easy way to extend KVM virtual machine disk …

deploy HAProxy as a Docker container

Deploy HAProxy as a Docker Container

gen_too

Follow through this tutorial to learn how to deploy HAProxy as a Docker container. HAProxy …

shrink KVM virtual machine LVM partitioned disk

Easy Way to Decrease/Shrink KVM Virtual Machine Disk Size

Kifarunix

In this tutorial, you will learn an easy way to decrease/shrink KVM virtual machine disk …

Easily Access Shared Folder on Linux VirtualBox VM

Easily Access Shared Folder on Linux VirtualBox VM

koromicha

In this tutorial, you will learn how to setup and easily access shared folder on …

deploy OpenStack using DevStack on Ubuntu 22.04/Ubuntu 20.04

Deploy OpenStack using DevStack on Ubuntu 22.04/Ubuntu 20.04

koromicha

In this tutorial, you will learn how to deploy OpenStack using DevStack on Ubuntu 22.04/Ubuntu …

virtualbox ubuntu 20.04

Install Latest VirtualBox on Ubuntu 20.04

koromicha

In this tutorial, you will learn how to install latest VirtualBox on Ubuntu 20.04. As …

Use VirtualBox VMs on KVM

Use VirtualBox VMs on KVM

Do you have some VirtualBox virtual machines that you would like to re-use on your KVM? Follow through this guide …
shrink KVM virtual machine LVM partitioned disk

Shrink KVM Virtual Machine LVM Partitioned Disk

Is it possible to shrink KVM virtual machine LVM partitioned disk? Well, to be honest, this is an almost mission …

How to Upgrade VirtualBox 5.2 to VirtualBox 6.0 on Ubuntu 16.04

In this tutorial, we are going to learn how to Upgrade VirtualBox 5.2 to VIrtualBox 6.0 on Ubuntu 16.04. Oracle …

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