Monitoring, HowTos

Install LibreNMS on Ubuntu 22.04/Ubuntu 20.04

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koromicha
PHP, HowTos, LAMP Stack, LEMP Stack

Install PHP Composer on Rocky Linux 8

HowTos, Directory Server, FreeIPA

Install and Setup FreeIPA Server on CentOS 8

HowTos

How to Install Discord on Ubuntu 24.04

Containers

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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 and Run MariaDB as a Docker Container

Welcome to our basic tutorial on how to install and run MariaDB as a Docker container. According to Docker website, …
Configure HTPasswd Identity Provider in OpenShift 4.x

Step-by-Step Guide: How to Configure HTPasswd Identity Provider in OpenShift 4.x

In this tutorial, you will learn how to configure HTPasswd Identity Provider in OpenShift 4.x. The HTPasswd IdP is one …
Connect to Remote Docker Environment on Docker Desktop

Connect to Remote Docker Environment on Docker Desktop

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

deploy HAProxy as a Docker container

Deploy HAProxy as a Docker Container

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

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

How to Deploy WordPress as a Docker Container

How to Deploy WordPress as a Docker Container

Kubernetes Ingress Explained

Kubernetes Ingress Explained: How to Manage External Access to Your Services

Deploy NRPE Agent as a Docker container

Deploy NRPE Agent as a Docker Container

Deploy Apps on OpenShift Using BuildConfig

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

Assign Roles to Users and Groups in Kubernetes Cluster

Assign Roles to Users and Groups in Kubernetes Cluster

Replace OpenShift Self-Signed Ingress and API SSL/TLS Certificates with Lets Encrypt

Replace OpenShift Self-Signed Ingress and API SSL/TLS Certificates with Lets Encrypt

docker elk

Deploy a Single Node ELK Stack Cluster on Docker Containers

Install Kubernetes Dashboard on Ubuntu

Easy Way to Install Kubernetes Dashboard on Ubuntu 22.04/20.04

Install Fedora CoreOS on KVM Using an ISO File

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

Install Portainer Extension on Docker Desktop

Install Portainer Extension on Docker Desktop

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

check Docker container RAM and CPU usage

How to Check Docker Container RAM and CPU Usage

Security

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Install WireGuard VPN Client Ubuntu 24.04

How to Install Wazuh SIEM Server on RHEL 9/RHEL 10

Configure Ubuntu 20.04 as Linux Router

Most Popular

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Configure Kibana Dashboards/Visualizations to use Custom Index
Monitoring, Elastic Stack, HowTos

Configure Kibana Dashboards/Visualizations to use Custom Index

gvm login page
OpenVAS, HowTos, Security, Vulnerability Scanners

Install and Setup GVM 20.08 on Ubuntu 20.04

install and setup ntp server
HowTos, NTP, RHEL

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

Install Kadeck Apache Kafka UI Tool on Debian/Ubuntu
HowTos

Install Kadeck Apache Kafka UI Tool on Debian/Ubuntu

install zeek on ubuntu 20.04
Security, HowTos

Install Zeek on Ubuntu 20.04

openvpn
Security, HowTos, OpenVPN, VPN

Setup OpenVPN Server on Rocky Linux 8

Setup Multinode Elasticsearch 8.x Cluster

Install ModSecurity with Apache on Debian 12

Quick Way to Install Gophish on Debian 12

Install Cortex on Ubuntu 22.04/Ubuntu 20.04

Install Passbolt on Debian 12

List  of top 10 Tips to Protect your Privacy Online

Protecting Your Privacy: How VPNs Safeguard Your Online Presence

How to Enable Self-Service Password Reset in Request Tracker (RT)

4 Reasons Why Home and Remote Workers Should Use a VPN

6 Cyber Security Tips Everyone Who Runs A Company Should Know

Why Should You Be Using Ubuntu? 6 Advantages

Install GRR Incident Response Framework on Ubuntu 18.04

MONITORING

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Install Osquery on Linux

Install Osquery on Debian 10 Buster

koromicha

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

Install LibreNMS on Linux

Add Hosts to LibreNMS Server for Monitoring

koromicha

In this tutorial, you will learn how to add hosts to LibreNMS server for monitoring. …

How to Monitor OpenVPN Connections using openvpn-monitor tool

gen_too

In this tutorial, we are going to learn how to monitor OpenVPN connections using openvpn-monitor …

How to Monitor Disk Input/Output on Linux

How to Monitor Disk Input/Output on Linux

koromicha

In this tutorial, you will learn how to Monitor Disk Input/Output on Linux. In most …

nagios nrpe

Install Nagios NRPE Agent on RHEL/CentOS/Oracle Linux

koromicha

In this tutorial, we are going to learn how to install Nagios NRPE Agent on …

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 and Setup Nagios

Install and Configure Nagios Core from Repos on Ubuntu 18.04

koromicha

In this tutorial we are going to learn how to install and configure Nagios Core …

Visualize WordPress User Activity Logs on ELK Stack

Visualize WordPress User Activity Logs on ELK Stack

gen_too

In this tutorial, you will learn how to visualize WordPress user activity logs on ELK …

install and configure snmp on Linux

How to Configure SNMP Version 2c on Debian 9

koromicha

Welcome to our tutorial on how to configure SNMP version 2c on Debian 9. If …

Install Nagios Plugins From Source RHEL/CentOS/Oracle Linux

Install Nagios Plugins on CentOS 8

koromicha

This guide will walk you through how to install Nagios Plugins on CentOS 8. Nagios …

fleet

Install and Enroll Elastic Agents to Fleet Manager in Linux

This tutorial will take you through how you can install and enroll Elastic agents to Fleet manager in Linux. According …
Configure Grafana Email Alerting

Configure Grafana Email Alerting

In this tutorial, you will learn how to configure Grafana Email alerting. Grafana alerting allows you to attach rules to …
kibana

Install ELK Stack on Ubuntu 20.04

Welcome to our guide on how to install ELK Stack on Ubuntu 20.04. ELK, currently known as Elastic Stack, is …

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 …
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 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 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 …
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 …
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 …
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 …
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 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 …

STORAGE

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How to Deploy Ceph Storage Cluster on AlmaLinux

How to Configure NFS Server on Ubuntu 18.04

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

Easy Way to Decrease/Shrink KVM Virtual Machine Disk Size

Provision Block Storage for Kubernetes on Rook Ceph Cluster

Install ownCloud Server on Debian 12

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

Configure and Use Ceph Block Device on Linux Clients

VIRTUALIZATION

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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 …

shrink KVM virtual machine LVM partitioned disk

Shrink KVM Virtual Machine LVM Partitioned Disk

Kifarunix

Is it possible to shrink KVM virtual machine LVM partitioned disk? Well, to be honest, …

Install Rocky Linux 9 on VirtualBox

Install Rocky Linux 9 on VirtualBox

koromicha

In this tutorial, you will learn on how to easily install Rocky Linux 9 on …

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 …

Install Rocky Linux 8 on VirtualBox

Install Rocky Linux 8 on VirtualBox

koromicha

Follow through this tutorial to learn how to install Rocky Linux 8 on VirtualBox. According …

how to automate virtual machine installation on VirtualBox

Automate Virtual Machine Installation on VirtualBox

koromicha

In this tutorial, you will learn how to automate virtual machine installation on VirtualBox. Many …

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 …

Start and Stop KVM Virtual Machines from Command Line

Start and Stop KVM Virtual Machines from Command Line

koromicha

This guide will take you through how to start and stop KVM virtual machines from …

install portainer on Linux

Install Portainer on Ubuntu 22.04

koromicha

In this tutorial, you will learn how to install Portainer on Ubuntu 22.04. Portainer is a …

Install VirtualBox Guest Additions on Linux Mint 21

Install VirtualBox Guest Additions on Linux Mint 21

Kifarunix

Follow through this tutorial to learn how you can easily install VirtualBox guest additions on …

Install NixOS with Gnome Desktop on VirtualBox

Install NixOS with Gnome Desktop on VirtualBox

In this tutorial, you will learn how to install NixOS with Gnome Desktop on VirtualBox. NixOS, a Linux distribution based …
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 …
kali linux 2021.3 desktop

Easily Install Kali Linux 2021.3 on VirtualBox

In this tutorial, you will learn how to install Kali Linux 2021.3 on VirtualBox. Kali Linux is an Advanced Penetration Testing Debian-based …

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