HowTos

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HowTos, OS, Ubuntu 20.04

What OS you should choose for dedicated server?

Security, HowTos, Vulnerability Scanners

Install ClamAV on Rocky Linux 8

HowTos, OpenVPN, Security, VPN

Configure strongSwan VPN Client on Ubuntu 18.04/CentOS 8

HowTos, Directory Server, OpenLDAP

Install and Setup phpLDAPadmin on Ubuntu 20.04

Containers

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Setup Three Node Docker Swarm Cluster on Ubuntu

How to Setup Three Node Docker Swarm Cluster on Ubuntu 22.04

How can I setup a Docker swarm? In this tutorial, you will learn how to setup three node Docker swarm …
monitor docker containers using nagios

How to Monitor Docker Containers using Nagios

Can Nagios monitor docker container? Yes, in this tutorial, you will learn how to monitor Docker containers using Nagios. Monitoring …
kubernetes states: declared vs actual state

Understanding Kubernetes States: Declared vs Observed states Explained

In Kubernetes, effective state management is crucial for maintaining the stability and reliability of your clusters. Kubernetes relies on two …
deploy AWX on Kubernetes cluster using AWX Operator

Working Guide: Deploy AWX on Kubernetes Cluster with AWX Operator

docker hardened images

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

install docker ce

Install Docker on Rocky Linux 8|9

Install Dozzle Real-Time Log Viewer for Docker Containers on Ubuntu

Install Dozzle Real-Time Log Viewer for Docker Containers on Ubuntu

Gracefully Remove Worker Node from Kubernetes Cluster

Gracefully Remove Worker Node from Kubernetes Cluster

Creating Users in Kubernetes

Kubernetes User Management: Creating Users, Groups and Service Accounts

Monitor Docker Swarm Service Metrics using Grafana

Monitor Docker Swarm Service Metrics using Grafana

install docker ce on debian 12

How to Install Docker CE on Debian 12

How to Install Docker Resource Usage Extension

How to Install Docker Resource Usage Extension

Deploy Apps on OpenShift Using BuildConfig

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

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

kubernetes states: declared vs actual state

Understanding Kubernetes States: Declared vs Observed states Explained

Monitor Docker Swarm and Container metrics using Metricbeat

Monitor Docker Swarm and Container metrics using Metricbeat

Understanding OpenShift Security Context Constraints

Control OpenShift Pod Permissions with SCCs and Service Accounts

Install Portainer Extension on Docker Desktop

Install Portainer Extension on Docker Desktop

nagios docker

Deploy Nagios as a Docker Container

Security

More

Install and use ClamAV on Ubuntu 20.04

6 Little-Known Things You Can Do With a VPN

How to Monitor OpenVPN Connections using openvpn-monitor tool

Most Popular

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install kvm on ubuntu
Virtualization, HowTos, KVM

How to Install KVM 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

install and configure snmp on Linux
HowTos, Monitoring, SNMP

How to Configure SNMP version 3 on Debian 9

Studying cybersecurity and gaining the greatest achievements in data protection
Security, HowTos

Studying cybersecurity and gaining the greatest achievements in data protection

Install and Setup GlusterFS on Ubuntu
Storage, GlusterFS, HowTos

Setup Replicated GlusterFS Volume on Ubuntu

The Pros And Cons Of Different Types Of Data Management Systems
HowTos, Database

The Pros And Cons Of Different Types Of Data Management Systems

Install Metasploit on Debian 11/Debian 10

How to Install IBM QRadar CE v7.3.1 on VirtualBox

Install OpenVPN Server on Debian 11/Debian 10

How to Set Up Your Own Proxy

Protecting Your Privacy: How VPNs Safeguard Your Online Presence

Install LibModsecurity with Apache on Fedora 30/29/CentOS 7

How to Protect From Identity Theft Online: A Detailed Guide for 2022

Ship System Logs to ELK Stack using Elastic Agents

Install and Setup VeraCrypt on Linux Mint 21

Install Greenbone Vulnerability Management (GVM) on Debian 12

How to Setup a Local CA Server on Ubuntu

MONITORING

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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 …

Install and Configure Zabbix

Add Hosts to Zabbix Server for Monitoring

koromicha

This guide will take you through how you can be able to add hosts to …

Install Wazuh Manager with ELK on Debian

Install Wazuh Server on Rocky Linux 8/Rocky Linux 9

gen_too

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

install and configure snmp on Linux

Install and Configure SNMP on CentOS 8

gen_too

Welcome to our guide on how to install and configure SNMP on CentOS 8. SNMP …

Install Logstash 7 on Fedora 30/Fedora 29/CentOS 7

Install and Configure Logstash 7 on Ubuntu 18/Debian 9.8

koromicha

This guide will focus on how to install and configure Logstash 7 on Ubuntu 18.04/Debian …

Installing Linux Dash with Nginx on Ubuntu 18.04 LTS

koromicha

This guides presents a simple way installing Linux Dash with Nginx on Ubuntu 18.04 LTS. …

Enable Kibana HTTPS Connection

Quick Way to Enable Kibana HTTPS Connection

gen_too

In this tutorial, you will learn how to enable Kibana HTTPS connection. HTTPS connections ensures …

Install and Setup Nagios

Install and Setup Nagios on Ubuntu 22.04

Jay Decrame

In this guide, we will provide a step-by-step tutorial on how to install and setup …

Install and Configure Zabbix

Install Zabbix Server on Rocky Linux

koromicha

In this guide, we are going to learn how to install Zabbix server on Rocky …

monitor Docker containers metrics using Grafana

Monitor Docker Containers Metrics using Grafana

Kifarunix

How do I monitor Docker containers in Grafana? Well, in this tutorial, you will learn …

Monitor Windows System Metrics using Sensu

Monitor Windows System Metrics using Sensu

Follow through this guide to learn how you can easily monitor Windows system metrics using Sensu. Sensu is an opensource infrastructure …
nxlog-ce

Configure NXLog to Forward System Logs to Rsyslog Server on Ubuntu

In this guide, we are going to learn how to configure NXLog to forward system logs to Rsyslog server on …
install sensu agent ubuntu/debian

Install Sensu Agent on Ubuntu/Debian

This guide will take you through how to install Sensu agent on Ubuntu/Debian systems. We are using Ubuntu 22.04 and …

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 …
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 …
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, …
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 …
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 …
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 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 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 …
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 …
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 …

STORAGE

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Extend OpenShift CoreOS /sysroot Root Filesystem

Configure and Use Ceph Block Device on Linux Clients

How to Deploy Ceph Storage Cluster on Debian 12

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

Setup Software RAID on Rocky Linux 8

Install and Setup Rsyslog Server on Ubuntu 22.04

Part 3: Integrate OpenStack with Ceph Storage Cluster

How to Reduce or Shrink Physical Volume in Linux

VIRTUALIZATION

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Change Windows Boot Device from IDE to Virtio on KVM

Change Windows Boot Device from IDE to Virtio on KVM

koromicha

In this tutorial, you will learn how to change Windows boot device from IDE to …

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 …

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 …

Install VirtualBox Guest Additions on Ubuntu 20.04

koromicha

If you have installed Ubuntu 20.04 on VirtualBox, you realize that it is not in …

Install VirtualBox Guest Additions on Rocky Linux 8

Install VirtualBox Guest Additions on Rocky Linux 8

koromicha

In this tutorial, you will learn how to install VirtualBox guest additions on Rocky Linux …

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 VirtualBox on Ubuntu 21.04

Install VirtualBox on Ubuntu 21.04

koromicha

Ubuntu 21.04 code named, Hirsute Hippo is available for testing as of this writing with …

Install Ubuntu 20.04 on VirtualBox

koromicha

Follow through this guide to learn how to install Ubuntu 20.04 on VirtualBox. Well, Ubuntu …

Install VirtualBox Guest Additions on AlmaLinux

Install VirtualBox Guest Additions on AlmaLinux

Kifarunix

Follow through this tutorial to learn how to install VirtualBox guest additions on AlmaLinux. We …

How to fix QEMU/KVM Not Connected Error on Ubuntu 20.04

koromicha

In this tutorial, you will learn how to fix QEMU/KVM Not connected error on Ubuntu …

Install IBM QRadar Community Edition SIEM on VirtualBox

How to Install IBM QRadar Community Edition SIEM on VirtualBox

In this tutorial, we are going to learn how to install IBM QRadar Community Edition SIEM on VirtualBox. We will be …

Install VirtualBox 6.1 on Ubuntu 18.04 Desktop

VirtualBox 6.1.0 which is a major update of VirtualBox was released December 10 2019 with quite a number of new major …
Setup Three Node Docker Swarm Cluster on Ubuntu

How to Setup Three Node Docker Swarm Cluster on Ubuntu 22.04

How can I setup a Docker swarm? In this tutorial, you will learn how to setup three node Docker swarm …

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