Monitoring, HowTos

How to Install Checkmk Monitoring Agents on Linux

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koromicha
HowTos

Easiest Way to Install Brave on Ubuntu 24.04

HowTos, Security

Cybersecurity In The Home: 3 Steps Households Can Take

KVM, HowTos, Virtualization

How to Clone KVM Virtual Machines

HowTos

10 Mistakes That Can Spoil Your Academic Assignment

Containers

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Assign Roles to Users and Groups in Kubernetes Cluster

Assign Roles to Users and Groups in Kubernetes Cluster

In this tutorial, you will learn how to assign roles to users and groups in Kubernetes cluster. With Kubernetes becoming …
How to Deploy an Application in a Docker Swarm Cluster

How to Deploy an Application in a Docker Swarm Cluster

How do I deploy an application to a swarm cluster? In this tutorial, you will learn how to deploy an …

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, …
How to Install Docker Resource Usage Extension

How to Install Docker Resource Usage Extension

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

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

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

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

Gracefully Remove Worker Node from Kubernetes Cluster

Gracefully Remove Worker Node from Kubernetes Cluster

Configure OpenShift 4 Image Registry Persistent Storage with ODF

Configure OpenShift 4 Image Registry Persistent Storage with ODF: 2026 Step-by-Step Guide

Mastering Kubernetes Autoscaling: Horizontal vs Vertical Scaling

Mastering Kubernetes Autoscaling: Horizontal vs Vertical Scaling

Deploy OpenBao on OpenShift with HA Raft, TLS, and Static Key Auto-Unseal: No Cloud KMS Needed

Deploy OpenBao on OpenShift with HA Raft, TLS, and Static Key Auto-Unseal: No Cloud KMS Needed

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

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

docker hardened images

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

Creating Users in Kubernetes

Kubernetes User Management: Creating Users, Groups and Service Accounts

External Secrets Operator with OpenBao on OpenShift: No Sidecars, No Code Changes

External Secrets Operator with OpenBao on OpenShift: No Sidecars, No Code Changes

Install Fedora CoreOS on KVM Using an ISO File

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

Kubernetes Ingress Explained

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

install portainer on Linux

Install Portainer on Ubuntu 22.04

How to Implement Multi-Tenancy on OpenShift Using Project Templates, ResourceQuotas, and LimitRanges

How to Implement Multi-Tenancy on OpenShift Using Project Templates, ResourceQuotas, and LimitRanges

install portainer on Linux

Install Portainer on Rocky Linux

Security

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Install and Setup Suricata on Rocky Linux

Install OSSEC Agent on CentOS 8

Install pfSense Firewall on KVM

Most Popular

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openvpn
Security, HowTos, OpenVPN, VPN

Install and Configure OpenVPN Client on Rocky Linux 8

install nessus ubuntu 20.04
Vulnerability Scanners, HowTos, Nessus, Security

Install and Setup Nessus Scanner on Ubuntu 20.04

Website Security Testing: What Is It and Why Is It Important?
Security, HowTos

Website Security Testing: What Is It and Why Is It Important?

Creative Paper Cheap Writing Assistance
HowTos

Creative Paper Cheap Writing Assistance

Install Nagios Core on FreeBSD 13
Nagios, FreeBSD, HowTos, Monitoring

Install Nagios Core on FreeBSD 13

HowTos, Directory Server, OpenLDAP

Disable Password Expiry for Specific Users on OpenLDAP

Cybersecurity In The Home: 3 Steps Households Can Take

What Are the Benefits of SOCKS5 Proxy?

Create Locally Trusted SSL Certificates with mkcert on Ubuntu 20.04

How to Install Osquery on Ubuntu 18.04

Install ClamAV on Rocky Linux 8

How to Automate eCryptfs Mounting Procedure

Complete Guide: Configuring Filebeat to Send Logs to Kafka

Common Mistakes When Using A White Paper Example

Install Bitwarden Password Manager on Ubuntu 22.04

Integrate sysPass with OpenLDAP for Authentication

Top 15 Emerging Technology in Cybersecurity

Install Metasploit Framework on Fedora 29

MONITORING

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nagios rocky

Install Nagios Plugins on Rocky Linux 8

gen_too

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

Deploy ELK Stack 8 on Docker Containers

Deploy ELK Stack 8 Cluster on Docker Containers

Kifarunix

Follow through this guide to learn how to deploy ELK Stack 8 cluster on Docker …

easily install cacti on Ubuntu 2.04

Easily Install and Setup Cacti on Ubuntu 20.04

koromicha

In this tutorial, you will learn how to easily install and setup Cacti on Ubuntu …

Install and Configure Prometheus on CentOS 8

koromicha

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

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 …

Configure ELK Stack Alerting with ElastAlert

Configure ELK Stack Alerting with ElastAlert

gen_too

Welcome to our tutorial on how to configure ELK Stack alerting with ElastAlert. As much …

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

How to Debug Logstash Grok Filters

Jay Decrame

Welcome to our guide on how to debug Logstash Grok filters. Grok filter uses regular …

How to Upgrade ELK Stack 7.x to ELK Stack 8.x

How to Upgrade ELK Stack 7.x to ELK Stack 8.x

Kifarunix

How to upgrade Elasticsearch 7 to 8? In this guide, you will learn how to …

install and configure snmp on Linux

Install and Configure SNMP on Debian 10 Buster

koromicha

This guide will take you through how to install and configure SNMP on Debian 10 …

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 …

Installing Linux Dash with Nginx on Ubuntu 18.04 LTS

This guides presents a simple way installing Linux Dash with Nginx on Ubuntu 18.04 LTS. Linux Dash is an opensource …
Install Elastic Stack 7 on Ubuntu

Install Elasticsearch 7.x on Ubuntu 18.04/Debian 9.8

Today we are going to learn how to install Elasticsearch 7.x on Ubuntu 18.04/Debian 9.8. Elasticsearch is an open source, …
Enable HTTPS Connection Between Elasticsearch Nodes

Enable HTTPS Connection Between Elasticsearch Nodes

In this tutorial, you will learn how to enable HTTPS connection between Elasticsearch nodes. One of the Elastic security features …

NETWORKING

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Securing OpenShift Networking with Network Policies: Default Deny, Cross-Namespace Rules, and Egress Filtering

Securing OpenShift Networking with Network Policies: Default Deny, Cross-Namespace Rules, and Egress Filtering

Securing OpenShift networking with network policies is one of the most critical steps in moving from a flat, permissive cluster …

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 …
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, …
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 …
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 …
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 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 …
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, …
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 …

STORAGE

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How to Install and Configure OpenShift Data Foundation on OpenShift 4.20: Step-by-Step Guide [2026]

How to Configure Production-Ready Monitoring in OpenShift: Prometheus, Alertmanager & Persistent Storage

How to Upgrade ownCloud 9 to ownCloud 10 on Ubuntu 16.04

Easy Way to Extend KVM Virtual Machine Disk Size

Exploring LVM: Learn About Common PV, LV, and VG Attributes | LVM Attributes

Install and Configure BackupPC on Rocky Linux 8

KVM Online Disk Expansion: How to Extend Virtual Disks Without Downtime

How to Start Stop or Restart Ceph Services

VIRTUALIZATION

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Install VirtualBox Extension Pack on VirtualBox 6.0

koromicha

Welcome to our tutorial on how install VirtualBox extension pack on VirtualBox 6.0. This guide …

Install Debian 10 Buster on VirtualBox

koromicha

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

Install Linux Mint 21 on VirtualBox

Easy way to Install Linux Mint 21 on VirtualBox

Kifarunix

How to install Linux Mint Cinnamon virtual machine? Follow through this tutorial to learn an …

Install Kali Linux 2022.2 on VirtualBox

Install Kali Linux 2022.2 on VirtualBox

koromicha

In this tutorial, you will learn how to install Kali Linux 2022.2 on VirtualBox. Kali Linux is …

Create and Upload Custom Linux Image into OpenStack

Create and Upload Custom Linux Image into OpenStack

koromicha

In this tutorial, you will learn how to create and upload custom Linux image into …

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 …

Install Fedora 30 Workstation on VirtualBox

koromicha

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

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 Debian 10 Buster

koromicha

So if you have installed Debian 10 Buster on VirtualBox, you might have realized that …

How to Upgrade VirtualBox 5.2 to VirtualBox 6.0 on Ubuntu 16.04

koromicha

In this tutorial, we are going to learn how to Upgrade VirtualBox 5.2 to VIrtualBox …

Install KVM on Debian 12

Install KVM on Debian 12

In this tutorial, you will learn how to install KVM on Debian 12. KVM, an acronym for Kernel-based Virtual Machine, …
insert guest addition iso

Install VirtualBox Guest Additions on Wubuntu

Follow through this step by step guide to lean how to install VirtualBox Guest Additions on Wubuntu. After you have …

Upgrade Ubuntu 18.04 to Ubuntu 20.04

Well, Ubuntu 20.04, codenamed Focal Fossa is now available for testing with official version being likely to be released on …

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