HowTos

How to Install Keepalived on Ubuntu 24.04

Monitoring, Grafana

Install Grafana Data Visualization Tool on Ubuntu 18.04

HowTos, Security, VPN

VPNs are your Must Have Privacy Tool

Database, FreeBSD, HowTos, MySQL

Install MySQL 8 on FreeBSD 12

Containers

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How to Set Up Alerting in OpenShift 4: Alertmanager, Alert Rules & Notifications

How to Set Up Alerting in OpenShift 4: Alertmanager, Alert Rules & Notifications

In this blog post, we will run through how to set up alerting in OpenShift 4. After configuring monitoring and …
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 …
Backup and Restore etcd in OpenShift 4 with Automated Scheduling & S3 Storage Integration

Backup and Restore etcd in OpenShift 4 with Automated Scheduling & S3 Storage Integration

In this blog post, we will walk through how to backup and restore etcd in OpenShift 4, including setting up …
Quickly Install MySQL 8 on Debian 12

Quickly Install MySQL 8 on Debian 12

install docker ce

Install Docker CE on Ubuntu 20.04

Kubernetes cluster high availability

Setup Highly Available Kubernetes Cluster with Haproxy and Keepalived

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

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

automate OpenShift Deployments with GitLab CI/CD pipelines

Automate OpenShift Deployments with GitLab CI/CD Pipelines

Serverless Computing with Linux on AWS Lambda

Serverless Computing with Linux on AWS Lambda

Configure HTPasswd Identity Provider in OpenShift 4.x

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

Install and Use Docker on Debian 10 Buster

kubernetes kubeconfig

What is Kubeconfig File in a Kubernetes Cluster?

Monitor Docker Swarm and Container metrics using Metricbeat

Monitor Docker Swarm and Container metrics using Metricbeat

Kubernetes Cluster on RHEL 9

Install and Setup Kubernetes Cluster on RHEL 9

Backup and Restore etcd in OpenShift 4 with Automated Scheduling & S3 Storage Integration

Backup and Restore etcd in OpenShift 4 with Automated Scheduling & S3 Storage Integration

Install Minikube on Debian 12

Installing Minikube on Ubuntu 24.04

Install and Run MariaDB as a Docker Container

Extend OpenShift CoreOS /sysroot Root Filesystem

Extend OpenShift CoreOS /sysroot Root Filesystem

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

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

Security

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Install Bitwarden Password Manager on Ubuntu 22.04

How to Install OpenVPN Server on Ubuntu 24.04

Install Greenbone Vulnerability Management (GVM) on Debian 12

Most Popular

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Install MariaDB 10.5 on FreeBSD 13
HowTos

Install MariaDB 10.5 on FreeBSD 13

install-and-configure-openshift-odf-ocp
Containers, Ceph, HowTos, Kubernetes, OpenShift, Storage

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

Install and Configure NAXSI Nginx WAF on Ubuntu 18.04 LTS
HowTos, Nginx, Security, WAF, Web Servers

Install and Configure NAXSI Nginx WAF on Ubuntu 18.04 LTS

4 Ways Website Data Collection Can Help Improve Your Business
HowTos

4 Ways Website Data Collection Can Help Improve Your Business

Scan RHEL Systems for CIS Benchmark Compliance with Wazuh
HowTos

How to Scan RHEL Systems for CIS Benchmark Compliance with Wazuh SCA

How to Deploy Ansible Automation Platform (AAP) Using Containers: Complete Step-by-Step Guide
Automation, Ansible, HowTos

How to Deploy Ansible Automation Platform (AAP) Using Containers: Complete Step-by-Step Guide

Why Creating a Secure Password is Crucial

How to Install and Setup Tailscale VPN on Debian 12

Complete Guide: Configuring Filebeat to Send Logs to Kafka

What Is an SSL Certificate and How Can It Benefit Your Business?

How to Install and Use VeraCrypt to Encrypt Drives on Ubuntu

Setup Portainer with SSL Certificates

Install and Setup Suricata on Rocky Linux

Install sysPass Password Manager on Ubuntu 22.04/Ubuntu 20.04

Understanding OpenShift Security Context Constraints: The Complete Guide

Install OpenVAS 10 (GVM) on Debian 10 Buster

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

Essential Cybersecurity Measures for Small Businesses

MONITORING

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Monitor System Metrics with TICK Stack on Ubuntu 20.04

gen_too

In this tutorial, we are going to learn how to monitor system metrics with TICK …

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 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 …

Install OSSEC HIDS Agent

How to Install OSSEC Agent on Mac OS

koromicha

In this guide, we are going to learn how to install OSSEC agent on Mac …

Install Elastic Stack 7 on Fedora 30/Fedora 29/CentOS 7

koromicha

In this guide, we are going to learn how to install Elastic Stack 7 on …

Install LibreNMS on Linux

Install LibreNMS on Ubuntu 22.04/Ubuntu 20.04

koromicha

Follow through this tutorial to learn how to install LibreNMS on Ubuntu 22.04/Ubuntu 20.04. LibreNMS …

Monitor OpenVPN Connections with Prometheus and Grafana

koromicha

Welcome to our tutorial on how to monitor OpenVPN connections with Prometheus and Grafana. Grafana is …

Install Wazuh Agent on pfSense

Install Wazuh Agent on pfSense

gen_too

In this guide, you will learn how to install Wazuh agent on pfSense. pfSense is …

Setup Multi-node Elasticsearch Cluster

Setup Multi-node Elasticsearch Cluster

koromicha

In this guide, we are going to learn how to setup multi-node Elasticsearch cluster. This …

filebeat kafka connection

Complete Guide: Configuring Filebeat to Send Logs to Kafka

Kifarunix

How can I configure Filebeat to send logs to Kafka? This is a complete guide …

Install Sampler Shell Command Visualization tool on Linux

In this guide, you are going to learn how to install sampler shell command visualization tool on Linux. Sampler is …
Configure ELK Stack Alerting with ElastAlert

Configure ELK Stack Alerting with ElastAlert

Welcome to our tutorial on how to configure ELK Stack alerting with ElastAlert. As much as ELK Stack enables you …
monitor Linux system metrics using Sensu

How to Monitor Linux System Metrics using Sensu

In this tutorial, you will learn how to monitor Linux system metrics using Sensu. Sensu is an opensource infrastructure and application …

NETWORKING

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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 …
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 …
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 …
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 …
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 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 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 …
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 …
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, …
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, …

STORAGE

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How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

How Install and Configure iSCSI Storage server on CentOS 7

Install and Configure BackupPC as a Backup Server on Ubuntu 18.04

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

How to Upgrade ownCloud 9 to ownCloud 10 on Ubuntu 16.04

Install and Configure BackupPC on Rocky Linux 8

Install ownCloud Desktop Client on Debian 10

VIRTUALIZATION

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genymotion login

Install Genymotion Android Emulator on Ubuntu 20.04

gen_too

Follow through this guide to learn how to install Genymotion Android emulator on Ubuntu 20.04. …

Install Solaris 11.4 on VirtualBox

Easily Install Solaris 11.4 on VirtualBox

Kifarunix

In this tutorial, you will learn on how to easily install Solaris 11.4 on VirtualBox. …

how to Install Docker Desktop on Ubuntu

How to Install Docker Desktop on Ubuntu 22.04/Ubuntu 20.04

Kifarunix

How can you install Docker desktop on Linux? In this tutorial, you will learn how …

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 …

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 …

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 Guest Additions on Ubuntu 21.04

Install VirtualBox Guest Additions on Ubuntu 21.04

koromicha

If you have installed Ubuntu 21.04 on VirtualBox, you realize that it is not in …

Install VirtualBox on Debian 11 Desktop

gen_too

In this tutorial, you will learn how to install VirtualBox on Debian 11 desktop version. …

Resize Root Partition of VirtualBox VM Snapshot

koromicha

You are running a virtual machine on a VirtualBox with multiple snapshots and you want …

Upgrade VirtualBox 6.x to VirtualBox 7.x on Ubuntu/Debian

Upgrade VirtualBox 6.x to VirtualBox 7.x on Ubuntu/Debian

koromicha

In this tutorial, you will learn how to upgrade VirtualBox 6.x to VirtualBox 7.x on …

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 …
Install VirtualBox on Ubuntu 21.04

Install VirtualBox on Ubuntu 21.04

Ubuntu 21.04 code named, Hirsute Hippo is available for testing as of this writing with the official release date is …
List Running and Stopped VMS on KVM

List Running and Stopped VMS on KVM

Follow through this guide to learn how to list running and stopped vms on KVM. KVM, an acronym for Kernel-based …

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