HowTos, Database, MySQL

Install MySQL 8 on Ubuntu 22.04

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koromicha
HowTos, at/batch, Automate System Tasks

Scheduling tasks using at command in Linux

HowTos, NTP, RHEL

How to Install and Configure NTP Server Using NTPd on Fedora 29/Fedora 28

Monitoring, HowTos, Nagios

Install Nagios Server on CentOS 9 Stream

Security, HowTos, OpenVAS, Vulnerability Scanners

Install GVM 21.4 on Ubuntu 20.04

Containers

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kubernetes kubeconfig

What is Kubeconfig File in a Kubernetes Cluster?

What is kubeconfig file in a Kubernetes Cluster? If you are just starting out your journey in Kubernetes, it is …
Understanding OpenShift Security Context Constraints

Understanding OpenShift Security Context Constraints: The Complete Guide

In this guide, we will explain OpenShift Security Context Constraints (SCCs) in simple terms. SCCs are essential components of OpenShift …
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 …
Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

install portainer on Linux

Install Portainer on Ubuntu 22.04

role-based access control in kubernetes

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

using configmaps in kubernetes

Step-by-Step Guide to Using ConfigMaps in Kubernetes

Understanding Deployments in Kubernetes: A Comprehensive Guide

Understanding Deployments in Kubernetes: A Comprehensive Guide

How to Deploy an Application in a Docker Swarm Cluster

How to Deploy an Application in a Docker Swarm Cluster

docker hardened images

Why Docker Hardened Images Are a Game-Changer for Software Supply Chain Security

Install Minikube on Debian 12

Installing Minikube on Ubuntu 24.04

kubernetes states: declared vs actual state

Understanding Kubernetes States: Declared vs Observed states Explained

What are the core concepts in Kubernetes?

What are the core concepts in Kubernetes?

Connect to Remote Docker Environment on Docker Desktop

Connect to Remote Docker Environment on Docker Desktop

kubernetes drain vs cordon nodes

Kubernetes Nodes Maintenance: Drain vs. Cordon Demystified

deploy AWX on Kubernetes cluster using AWX Operator

Working Guide: Deploy AWX on Kubernetes Cluster with AWX Operator

install etcdctl on kubernetes cluster

How to Install etcdctl on Kubernetes Cluster

openstack on ubuntu 24.04

Install OpenStack on Ubuntu 24.04 using Kolla Ansible

How to Install Docker Resource Usage Extension

How to Install Docker Resource Usage Extension

Security

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Install Nessus Professional Scanner on Debian 10

Install GVM 21.4 on Kali Linux

Install Wazuh SIEM Server on Ubuntu 24.04

Most Popular

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HowTos, Ubuntu 18.04, VirtualBox, Virtualization

Upgrade Ubuntu 18.04 to Ubuntu 20.04

Install Prometheus on Linux
Monitoring, HowTos, Prometheus

How to Install Prometheus on Ubuntu 24.04

Install Nagios Plugins From Source RHEL/CentOS/Oracle Linux
Monitoring, HowTos, Nagios

Install Nagios Plugins From Source RHEL/CentOS/Oracle Linux

The Ultimate Guide to SEO: Tips and Tricks for Success
HowTos

The Ultimate Guide to SEO: Tips and Tricks for Success

Desktop Environment, KDE

Install KDE Plasma on Debian 10/9/Ubuntu 18.04

5 Practical Reasons for Learning Linux in 2023
HowTos

5 Practical Reasons for Learning Linux in 2023

Fix AlienVault HIDS Events Displaying 0.0.0.0 as IP Address

Install sysPass Password Manager on Ubuntu 22.04/Ubuntu 20.04

Install pfSense Firewall on KVM

Analyze Network Traffic using Zeek

Install and Configure Squid Proxy on Fedora 29/Fedora 28/CentOS 7

Install ModSecurity 3 with Apache in a Docker Container

Setup IPSec VPN server with Libreswan on Rocky Linux

Install Metasploit Framework on Ubuntu 22.04/Ubuntu 20.04

Install and use ClamAV on Ubuntu 20.04

Install Gophish on Ubuntu 22.04

Create Locally Trusted SSL Certificates with mkcert on Ubuntu 20.04

Install and Setup Pritunl VPN Server on Debian

MONITORING

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Install Wazuh Manager with ELK on Debian

Install Wazuh Manager with ELK on Debian 12

Kifarunix

In this tutorial, you will learn how to install Wazuh Manager with ELK on Debian …

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 Sampler Shell Command Visualization tool on Linux

koromicha

In this guide, you are going to learn how to install sampler shell command visualization …

install icinga2/icingaweb2

How to Install Icinga 2 and Icinga Web 2 on Ubuntu 18.04 LTS

koromicha

In this tutorial, we are going to learn how to install Icinga 2 and Icinga …

docker elk

Deploy a Single Node ELK Stack Cluster on Docker Containers

gen_too

How to run ELK stack on Docker? In this tutorial, we are going to learn …

Monitor Docker Swarm and Container metrics using Metricbeat

Monitor Docker Swarm and Container metrics using Metricbeat

Kifarunix

Is it possible to monitor Docker Swarm and container metrics using Metricbeat? Yes, of course! …

velociraptor

Install Velociraptor Client on Linux and Windows Systems

cr00t

In this tutorial, you will learn how to install Velociraptor Client on Linux and Windows …

Monitor SSL/TLS Certificates Expiry with Nagios

koromicha

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

Delete Specific Records from Elasticsearch Index

Delete Specific Records from Elasticsearch Index

koromicha

This is a simple tutorial on how to search and delete specific records from Elasticsearch …

install and configure snmp on Linux

Install and Configure SNMP on Ubuntu 18.04 and CentOS 7

koromicha

In this guide, we are going to learn how to install and configure SNMP on …

Install Elastic Stack 7 on Ubuntu

Installing ELK Stack on CentOS 8

Welcome to our guide on installing ELK Stack on CentOS 8. ELK is the acronym for three open source projects: …
install and configure snmp on Linux

How to Configure SNMP version 3 on Debian 9

This guide is about how to configure SNMP version 3 on Debian 9. There are three major versions of SNMP …
Install Zabbix Agent on Windows Systems

Install Zabbix Agent on Windows Systems

This guide will take you through how to install Zabbix agent on Windows systems. Install Zabbix Agent on Windows Systems …

NETWORKING

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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 …
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 …

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 …
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 …
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 …
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 …
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 …

STORAGE

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Quick Way to Setup Samba File Server on Debian 10

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

Install and Setup BackupPC Server on Ubuntu 20.04

Backup Windows System via SMB Using BackupPC

Configure ownCloud OpenLDAP Authentication

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

Provision Block Storage for Kubernetes on Rook Ceph Cluster

How to Start Stop or Restart Ceph Services

VIRTUALIZATION

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How to Rename KVM Virtual Machine with virsh command

How to Rename KVM Virtual Machine with virsh command

koromicha

Is it possible to rename KVM virtual machine? Yes, follow through this guide to learn …

Install and Setup Security Onion on VirtualBox

Install and Setup Security Onion on VirtualBox

gen_too

In this tutorial, you will learn how to install and setup Security Onion on VirtualBox. …

Install VirtualBox 6.1 on Ubuntu 18.04 Desktop

koromicha

VirtualBox 6.1.0 which is a major update of VirtualBox was released December 10 2019 with quite …

install portainer on Linux

Install Portainer on Debian 11/Debian 10

koromicha

In this tutorial, you will learn how to install Portainer on Debian 11/Debian 10. Portainer is …

Install KVM on Oracle Linux

Install KVM on Oracle Linux

koromicha

In this tutorial, you will learn how to install KVM on Oracle Linux. KVM, an …

Install Fedora 30 Workstation on VirtualBox

koromicha

So Fedora 30 has just been released and you would like to try out the …

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 …

Install NixOS with Gnome Desktop on VirtualBox

Install NixOS with Gnome Desktop on VirtualBox

Kifarunix

In this tutorial, you will learn how to install NixOS with Gnome Desktop on VirtualBox. …

Install and Configure Endian Firewall on VirtualBox

Install and Configure Endian Firewall on VirtualBox

koromicha

Welcome to our guide on how to install and configure Endian Firewall on VirtualBox. Endian …

How to Clone a Virtual Machine on VMware ESXi

koromicha

Having trouble with cloning a virtual machine in VMware ESXi? Worry no more. This guide …

Start and Stop KVM Virtual Machines from Command Line

Start and Stop KVM Virtual Machines from Command Line

This guide will take you through how to start and stop KVM virtual machines from command line. As much as …
deploy OpenStack using DevStack on Ubuntu 22.04/Ubuntu 20.04

Deploy OpenStack using DevStack on Ubuntu 22.04/Ubuntu 20.04

In this tutorial, you will learn how to deploy OpenStack using DevStack on Ubuntu 22.04/Ubuntu 20.04. There are different methods/tools …
Install VirtualBox Guest Additions on Ubuntu 21.04

Install VirtualBox Guest Additions on Ubuntu 21.04

If you have installed Ubuntu 21.04 on VirtualBox, you realize that it is not in fullscreen. In this guide, you …

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