Database, HowTos, MariaDB, MySQL

Install MariaDB 10.3 on CentOS 7

BY
koromicha
Security, HowTos, Phishing

Quick Way to Install Gophish on Debian 12

HowTos, Package Installation

How to Install Yarn on Debian 10 Buster

OpenStack, Ansible, Automation, Cloud Compute, Containers, Docker, HowTos, Virtualization

Deploy All-in-One OpenStack with Kolla-Ansible on Ubuntu 22.04

HowTos

Install NetBeans IDE on Debian 10

Containers

More
StatefulSets in Kubernetes: Everything You Need to Know

StatefulSets in Kubernetes: Everything You Need to Know

In this blog post, you will learn about statefulsets in Kubernetes and everything you need to know: the definition and …
Patch Sudo CVEs 2025-32462 & 2025-32463 using Ansible AWX

Patch Sudo CVEs 2025-32462 & 2025-32463 using Ansible AWX

In this blog post, you’ll learn how to patch sudo CVEs 2025-32462 & 2025-32463 using Ansible AWX to secure your …
Deploy ELK Stack 8 Cluster on Docker using Ansible

Deploy ELK Stack 8 Cluster on Docker using Ansible

In this tutorial, you will learn how to deploy ELK stack 8 Cluster on Docker using Ansible, an an open-source …
Deploy Ceph Storage Cluster in Kubernetes using Rook

Deploy Ceph Storage Cluster in Kubernetes using Rook

upgrade openshift 4

How to Upgrade OpenShift Cluster: Seamless Steps for Success

Kubernetes cluster high availability

Setup Highly Available Kubernetes Cluster with Haproxy and Keepalived

deploy multinode OpenShift cluster using UPI

How to Deploy Multinode OpenShift Cluster Using UPI/User Provisioned Infrastructure

Creating Users in Kubernetes

Kubernetes User Management: Creating Users, Groups and Service Accounts

Provisioning Kubernetes Persistent Volumes with CephFS CSI Driver

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

Install Minikube on Debian 12

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

install portainer on Linux

Install Portainer on Ubuntu 22.04

Safely Upgrade Kubeadm Kubernetes Cluster: A Step-by-Step Guide

Safely Upgrade Kubeadm Kubernetes Cluster: A Step-by-Step Guide

Gracefully Remove Worker Node from Kubernetes Cluster

Gracefully Remove Worker Node from Kubernetes Cluster

Deploy Apps on OpenShift Using BuildConfig

How to Deploy Apps on OpenShift Using BuildConfig: A Step-by-Step Guide (2025)

kubernetes states: declared vs actual state

Understanding Kubernetes States: Declared vs Observed states Explained

Monitor Docker Swarm Node Metrics using Grafana

Monitor Docker Swarm Node Metrics using Grafana

How to Deploy an Application in a Docker Swarm Cluster

How to Deploy an Application in a Docker Swarm Cluster

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

Install Portainer Extension on Docker Desktop

Install Portainer Extension on Docker Desktop

Security

More

Visualize ClamAV Scan Logs on ELK Stack Kibana

Install and Setup Passbolt Password Manager on Ubuntu 20.04

Detect Changes to Critical Files in Linux using Auditbeat and ELK

Most Popular

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Install VirtualBox on Ubuntu 21.04
Virtualization, HowTos, VirtualBox

Install VirtualBox on Ubuntu 21.04

Nagios SNMP Monitoring of Linux Hosts
Monitoring, HowTos, Nagios, SNMP

Nagios SNMP Monitoring of Linux Hosts on AlienVault USM/OSSIM

bullseye 11
HowTos

Install VirtualBox Guest Additions on Debian 11

install java
HowTos

Install Java 11|Java 17|Java 18 on Ubuntu 22.04

HowTos, WordPress

Create Scrolling Text Box on WordPress Newspaper Theme

monitor docker containers using nagios
Monitoring, Containers, Docker, HowTos

How to Monitor Docker Containers using Nagios

How to Install and Setup AlienVault HIDS Agent on a Windows Host

Install SpiderFoot on Ubuntu 20.04

Qualities To Look For When Choosing The Right VPN Service

Configure APT Proxy on Debian 10 Buster

Install WireGuard VPN Server on Rocky Linux

The Smart Business Owner’s Guide to Access Control and Biometric Security

Setup IPSec Site-to-Site VPN Tunnel on pfSense

Enroll Windows Systems into Osquery Fleet Manager

Install WPScan on Ubuntu 20.04

Install and Setup VeraCrypt on Rocky Linux

Setup IPSec VPN Server with Libreswan on CentOS 8

Install and Setup Security Onion on VirtualBox

MONITORING

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install and configure snmp on Linux

How to Configure SNMP version 3 on Debian 9

koromicha

This guide is about how to configure SNMP version 3 on Debian 9. There are …

Monitor Linux System Metrics with Prometheus Node Exporter

koromicha

In this tutoria, we are going to learn how to monitor Linux system metrics with …

fleet

Install and Setup Kolide Fleet on Ubuntu 18.04

koromicha

In this guide, we are going to learn how to install and Setup Kolide Fleet …

Install Elasticsearch 7 on Fedora 30

koromicha

In this guide, you are going to learn how to install Elasticsearch 7 on Fedora …

install zabbix agent

Compile and Install Zabbix Agent on FreeBSD 12

koromicha

Welcome to our guide on how to compile and install Zabbix Agent on FreeBSD 12. …

How to Measure CPU Usage in Linux

How to Measure CPU Usage in Linux

koromicha

This simple guide will take you through how to Measure CPU Usage in Linux. CPU …

Install latest Grafana on Debian 10

Install latest Grafana on Debian 10

koromicha

In this tutorial, you will learn how to install latest Grafana on Debian 10. Grafana is …

Install and Configure Zabbix

Install Zabbix 4.x from Sources on Debian 10 Buster

koromicha

Welcome again to our yet another guide on how to install Zabbix 4.x from sources …

Install Grafana on Debian 12

How to Install Grafana on Ubuntu 24.04

Kifarunix

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

Install and Setup TIG Stack on Fedora 30

koromicha

In this guide, we are going to learn how to install and setup TIG stack …

Logstash: Write Specific Events to Specific Index

Logstash: Write Specific Events to Specific Index

In this blog post, you will learn how to write specific events to specific index using Logstash. Logstash is a …

Install Latest Grafana on CentOS 8

In this guide, we are going to learn how to install latest Grafana on CentOS 8. Grafana is the open source …

Monitor SSL/TLS Certificates Expiry with Nagios

Well, assuming you understand the implications of the expired SSL/TLS certificates, let us go through how to monitor SSL/TLS Certificates …

NETWORKING

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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 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 …
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 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 …
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 …
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 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 …
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 …
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 …
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 …
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 …

STORAGE

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How to Install Duplicati Backup Client on Ubuntu 22.04

Create RAID Level 10 (RAID 1+0) on Ubuntu 20.04

Install ownCloud Desktop Client on Debian 10

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

How to Reduce or Shrink Physical Volume in Linux

Install and Setup Ceph Storage Cluster on Ubuntu 22.04

Install ownCloud Server on Debian 12

Install ownCloud Desktop Client on CentOS 8

VIRTUALIZATION

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Install Debian 10 Buster on VirtualBox

koromicha

In this guide, we are going to learn how to install Debian 10 Buster on …

How to Install Docker Resource Usage Extension

How to Install Docker Resource Usage Extension

Kifarunix

How can you install Resource usage extension on Docker desktop? In this guide, you will …

kali linux 2021.3 desktop

Install VirtualBox Guest Additions on Kali Linux 2020.3

koromicha

In order to set your Kali Linux running on VirtualBox in fullscreen mode, you need …

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 6.0 6.1

Upgrade VirtualBox 6.0 to 6.1 on Ubuntu Systems

koromicha

With the release of VirtualBox 6.1 and its new major features, you should be planning …

Install VirtualBox 7 on Debian 12 Desktop

Install VirtualBox 7 on Debian 12

Kifarunix

This guide will take you through how to install VirtualBox 7 on Debian 12. VirtualBox …

Install KVM on Debian 12

Install KVM on Debian 12

Kifarunix

In this tutorial, you will learn how to install KVM on Debian 12. KVM, an …

install ubuntu 25.04 on virtualbox

How to Install Ubuntu 25.04 on VirtualBox: A Step-by-Step Guide

Kifarunix

Wondering how to install Ubuntu 25.04 on VirtualBox? Ubuntu 25.04, codenamed “Plucky Puffin,” is the …

Install Debian 12 on VirtualBox

Install Debian 12 on VirtualBox

Kifarunix

Follow through this tutorial to learn how to install Debian 12 on VirtualBox. The Debian …

kali linux 2021.3 desktop

Install Kali Linux 2020.3 on VirtualBox

koromicha

In this tutorial, you will learn how to install Kali Linux 2020.3 on VirtualBox. Kali …

Resize Root Partition of VirtualBox VM Snapshot

You are running a virtual machine on a VirtualBox with multiple snapshots and you want to resize the root partition …
install portainer on Linux

Install Portainer on Debian 11/Debian 10

In this tutorial, you will learn how to install Portainer on Debian 11/Debian 10. Portainer is a self-service container service delivery …
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 …

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