Monitoring, HowTos, Icinga, Nagios, SNMP, Zabbix

How to Configure SNMP Version 2c on Debian 9

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koromicha
Monitoring, HowTos

Monitor Windows System Metrics using Sensu

Graylog, HowTos, Monitoring

Create Squid Logs Extractors on Graylog Server

Security, Encryption, HowTos

Install and Setup VeraCrypt on Rocky Linux

HowTos, Ticketing Systems

Install OTRS Ticketting System on Debian 11

Containers

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Deploying CloudBees CI on OpenShift: Architecture, Installation, Security, and Production Best Practices

Deploying CloudBees CI on OpenShift: Architecture, Installation, Security, and Production Best Practices

This guide provides working steps on deploying CloudBees CI on OpenShift. My first CloudBees CI deployment on OpenShift looked successful …
Introduction to Kubernetes: What is it and why do you need it?

Introduction to Kubernetes: What is it and why do you need it?

This tutorial serves as an introduction to Kubernetes: What is it and why do you need it? If you are …
How to Deploy WordPress as a Docker Container

How to Deploy WordPress as a Docker Container

Can you run WordPress in a Docker container? Yes, follow this tutorial to learn how to deploy WordPress as a …
Creating Users in Kubernetes

Kubernetes User Management: Creating Users, Groups and Service Accounts

kubernetes drain vs cordon nodes

Kubernetes Nodes Maintenance: Drain vs. Cordon Demystified

How to Configure NFS Storage for CloudBees CI Managed Controllers HA on OpenShift

How to Configure NFS Storage for CloudBees CI Managed Controllers HA on OpenShift

Quickly Install MySQL 8 on Debian 12

Quickly Install MySQL 8 on Debian 12

OpenShift Builds and BuildConfig

OpenShift Builds and BuildConfig Essentials: A Comprehensive Guide

Setup Three Node Docker Swarm Cluster on Ubuntu

How to Setup Three Node Docker Swarm Cluster on Ubuntu 22.04

docker elk

Deploy a Single Node ELK Stack Cluster on Docker Containers

kubernetes kubeconfig

What is Kubeconfig File in a Kubernetes Cluster?

install docker ce

Install Docker CE on Ubuntu 20.04

install etcdctl on kubernetes cluster

How to Install etcdctl on Kubernetes Cluster

upgrade openshift 4

How to Upgrade OpenShift Cluster: Seamless Steps for Success

Provisioning Kubernetes Persistent Volumes with CephFS CSI Driver

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

deploy WordPress using Docker compose

Deploy WordPress using Docker Compose

Kubernetes Ingress Explained

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

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

check Docker container RAM and CPU usage

How to Check Docker Container RAM and CPU Usage

Security

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Install Nagios NRPE Agent on RHEL/CentOS/Oracle Linux

How to Install and Setup AlienVault HIDS Agent on a Windows Host

Install Passbolt on Debian 12

Most Popular

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HowTos

How to Install phpMyAdmin on Ubuntu 24.04

velociraptor
Security, HowTos, Monitoring

Install Velociraptor Client on Linux and Windows Systems

Different types of onboarding videos to enhance the onboarding process
HowTos

Different types of onboarding videos to enhance the onboarding process

Install KVM on Debian 12
Virtualization, HowTos, KVM

Install KVM on Debian 12

HowTos, Project Management, Redmine

Install Redmine on Debian 10|Debian 11|Debian 12

HowTos

Tips for Crafting a Winning Loan Application for Startups

Install ModSecurity with Apache on Ubuntu 22.04

Install and Configure AIDE on Ubuntu 18.04

Monitor SSL/TLS Certificate Expiry with Prometheus and Grafana

Install LibModsecurity with Apache on Ubuntu 20.04

Install Metasploit Framework on Fedora 29

Install ClamAV on Ubuntu 24.04/Ubuntu 22.04

Configure SSH Local Port Forwarding in Linux

Why Creating a Secure Password is Crucial

Install and Configure Tripwire Security Monitoring tool on CentOS 8

Install Greenbone Vulnerability Management (GVM) on Debian 12

Why Should You Be Using Ubuntu? 6 Advantages

MONITORING

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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 …

Monitor Squid logs with Grafana and Graylog

koromicha

In this guide, we are going to learn how to monitor squid logs with Grafana …

install arkime on linux

How to Install Arkime with Elasticsearch 8 on Ubuntu 24.04

Kifarunix

This tutorial provides a step by step guide on how to install Arkime with Elasticsearch …

How to Monitor Remote Linux Hosts and Services with Icinga 2 on Ubuntu 18.04

koromicha

In this very tutorial, you are going learn how to monitor hosts and services with …

Install and Setup Nagios

How to Install Nagios Server on Ubuntu 24.04

Kifarunix

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

Install Grafana on Debian 12

How to Install Grafana on Debian 12

Kifarunix

In this guide, we will provide step-by-step instructions on how to install Grafana on Debian …

Metricbeat System Host overview ECS Elastic

Monitor Linux System Metrics with ELK Stack

gen_too

In this tutorial, you will learn how to monitor Linux system metrics with ELK Stack. …

Install Grafana on Ubuntu

Install Grafana on Ubuntu 22.04/20.04/18.04

koromicha

In this guide, we are going to learn how to install Grafana on Ubuntu 22.04/20.04/18.04 …

Install Prometheus on Linux

How to Install Prometheus on Ubuntu 24.04

Kifarunix

In this guide, you will learn how to install Prometheus on Ubuntu 24.04. Prometheus is an open-source …

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

Install Logstash 8 on Ubuntu/Debian

koromicha

This guide is about how to install and configure Logstash 8 on Ubuntu/Debian as a …

Install and Configure Zabbix

Install Zabbix Server on Debian 10 Buster

In this guide, we are going to learn how to install Zabbix server on Debian 10 Buster. Zabbix is an …
Install Filebeat 9 on Ubuntu/Debian

Install Filebeat 9 on Ubuntu/Debian

How can I install Filebeat 9 on Ubuntu/Debian? Well, the installation of Filebeat 9 on Ubuntu/Debian is no different from …
Install and Configure AlienVault HIDs Agent on a Linux Host

How to Install and Configure AlienVault HIDs Agent on a Linux Host

In this tutorial, we are going to learn how to install and configure AlienVault HIDS agent on a Linux host. …

NETWORKING

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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 …
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 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 …
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 …
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 …
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 …
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, …
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 …

STORAGE

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Install ownCloud Server on Debian 10 Buster

Part 1: Integrate OpenStack with Ceph Storage Cluster

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

Part 2: How to Backup Applications and Persistent Volumes in OpenShift with OADP

Install ownCloud Server on Debian 11

How to Access Samba Share on Linux and Windows Systems

Install ownCloud Server on Ubuntu 22.04

How to Configure NFS Storage for CloudBees CI Managed Controllers HA on OpenShift

VIRTUALIZATION

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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 …

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 …

virtualbox ubuntu 20.04

Install Latest VirtualBox on Ubuntu 20.04

koromicha

In this tutorial, you will learn how to install latest VirtualBox on Ubuntu 20.04. As …

Deploy All-In-One OpenStack with Kolla-Ansible on Ubuntu 22.04

Deploy All-in-One OpenStack with Kolla-Ansible on Ubuntu 22.04

Kifarunix

In this guide, you will to learn how to deploy all-in-one OpenStack with Kolla-Ansible on …

Install VirtualBox Guest Additions on CentOS 8

koromicha

In our previous guide, we learnt how to Install CentOS 8 on VirtualBox. However, it …

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 …

Install Debian 12 on VirtualBox

Install Debian 12 on VirtualBox

Kifarunix

Follow through this tutorial to learn how to install Debian 12 on VirtualBox. The Debian …

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 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 VirtualBox Guest Additions on Fedora 31/32

koromicha

In this guide, we are going to learn how to install VirtualBox Guest Addition on …

Install VirtualBox Extension Pack on VirtualBox 6.0

Welcome to our tutorial on how install VirtualBox extension pack on VirtualBox 6.0. This guide uses VirtualBox 6.0 installed on …
Install VirtualBox Guest Additions on Rocky Linux 8

Install VirtualBox Guest Additions on Rocky Linux 8

In this tutorial, you will learn how to install VirtualBox guest additions on Rocky Linux 8. In our previous guide, …
shrink KVM virtual machine LVM partitioned disk

Easy Way to Decrease/Shrink KVM Virtual Machine Disk Size

In this tutorial, you will learn an easy way to decrease/shrink KVM virtual machine disk size. In most cases, there …

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