HowTos

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Kifarunix
Security, HowTos, Monitoring, OSSEC

Install OSSEC HIDS Agent on Ubuntu 20.04

HowTos, Security, VPN

List  of top 10 Tips to Protect your Privacy Online

HowTos, HAProxy, Load Balancers

Install HAProxy on Rocky Linux 8

Containers

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Scale OpenShift Data Foundation Storage on Bare Metal

ODF Ceph Storage Full: Recover and Expand OpenShift Data Foundation Storage on Bare Metal

In this guide, you will learn how to recover and expand OpenShift Data Foundation storage on bare metal from diagnosing …
backup and restore kubernetes etcd cluster

Disaster Recovery in Kubernetes: etcd Backup and Restore with etcdctl and etcdutl

In this blog post, we will dive into Kubernetes disaster recovery strategies, backup and restore etcd, using etcdctl and etcdutl …
Quickly Install MySQL 8 on Debian 12

Quickly Install MySQL 8 on Debian 12

This guide provides a step-wise tutorial on how to quickly install MySQL 8 on Debian 12. MySQL is a fast, stable and …
Quickly Install MySQL 8 on Debian 12

Quickly Install MySQL 8 on Debian 12

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

kubernetes secrets

How to Use Secrets in Kubernetes Applications

automate tasks in OpenShift with Kubernetes jobs and cron jobs

Automate Tasks in OpenShift with Kubernetes Jobs and Cron Jobs: A Practical Guide

CloudBees CI Active Directory Integration: How to Configure Secure Authentication

CloudBees CI Active Directory Integration: How to Configure Secure Authentication

Kubernetes Kustomize 101: Introduction and Basics

Kubernetes Kustomize 101: Introduction and Basics

Install Portainer Extension on Docker Desktop

Install Portainer Extension on Docker Desktop

install portainer on Linux

Install Portainer on Ubuntu 22.04

Install Minikube on Debian 12

Step-by-Step Tutorial: Install Minikube on Debian 12

Automate OpenShift Builds with Git Webhooks

How to Automate OpenShift Builds with Git Webhooks: Step-by-Step Guide

Configure HTPasswd Identity Provider in OpenShift 4.x

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

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

Assign Roles to Users and Groups in Kubernetes Cluster

Assign Roles to Users and Groups in Kubernetes Cluster

Install Kubernetes Dashboard on Ubuntu

Easy Way to Install Kubernetes Dashboard on Ubuntu 22.04/20.04

How to Install Docker Desktop on Kali Linux

How to Install Docker Desktop on Kali Linux

Security

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Install and Configure Libreswan VPN Client on Ubuntu/Debian

Install and Configure Snort 3 on Rocky Linux

Setup IPSEC VPN using StrongSwan on Debian 10

Most Popular

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Install OTRS Ticketting System on Debian 11
HowTos, Ticketing Systems

Install OTRS Ticketting System on Ubuntu 22.04

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]

zammad ticket system
HowTos

Install Zammad Ticketing System on Debian 11

how Kubernetes assigns pods to nodes
Containers, HowTos, Kubernetes

How Kubernetes Schedules Pods: A Step-by-Step Guide for Beginners

fleet
HowTos, Kolide, Monitoring, osquery

Install and Setup Kolide Fleet on Ubuntu 18.04

Install DokuWiki on CentOS/Rocky Linux
HowTos, wiki

Install DokuWiki on CentOS 8

Install and Configure Tripwire Security Monitoring tool on CentOS 8

Install sysPass Password Manager on Debian 11/Debian 10

Tips For Secure Gaming: Why Do You Need a VPN While Playing? 

Install ClamAV on Rocky Linux 8

Setup Squid Proxy Authentication on Ubuntu 18.04/Fedora 29/28/CentOS 7

Careers In IT You Need To Know About

Generate Wildcard SSL Certificates for Elasticsearch

Install and Setup Wazuh Server in CentOS 8/Fedora 32

How to Enable Ping response On IBM QRadar SIEM

Fix AlienVault HIDS Events Displaying 0.0.0.0 as IP Address

3 Internet Security Tips for 2022

Configure APT Proxy on Debian 10 Buster

MONITORING

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Install and Configure Tripwire Security Monitoring tool on CentOS 8

Jay Decrame

In this tutorial, you will learn how to install and configure Tripwire security monitoring tool …

nagios nrpe

Install Nagios NRPE Agent on Rocky Linux 8

gen_too

Follow through this guide to learn how to install Nagios NRPE agent on Rocky Linux 8. In …

wazuh vt

Detecting Malicious Files with Wazuh and VirusTotal

gen_too

In this tutorial, you will learn on detecting malicious files with Wazuh and VirusTotal. Wazuh …

Deploy ELK Stack 8 Cluster on Docker using Ansible

Deploy ELK Stack 8 Cluster on Docker using Ansible

Kifarunix

In this tutorial, you will learn how to deploy ELK stack 8 Cluster on Docker …

Monitor OpenVPN Connections with Prometheus and Grafana

koromicha

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

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 …

monitor Linux system metrics using Sensu

How to Monitor Linux System Metrics using Sensu

koromicha

In this tutorial, you will learn how to monitor Linux system metrics using Sensu. Sensu is …

Install Osquery on Linux

Monitor Windows Systems using Elastic Osquery Manager

gen_too

In this tutorial, you will learn how to monitor Windows systems using Elastic Osquery manager. …

Install and Configure AlienVault HIDs Agent on a Linux Host

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

koromicha

In this tutorial, we are going to learn how to install and configure AlienVault HIDS …

Monitor OpenVPN Connections with Prometheus and Grafana

Welcome to our tutorial on how to monitor OpenVPN connections with Prometheus and Grafana. Grafana is a data visualization and monitoring …
How to Copy Kibana Dashboard to Another Kibana Space

How to Copy Kibana Dashboard to Another Kibana Space

Is it possible to copy Kibana dashboard to another Kibana Space? Yes, definitely. In this tutorial, you will learn how …

Install Telegraf on Fedora 30/Fedora 29

In this guide, we are going to learn how to install Telegraf on Fedora 30/Fedora 29. Telegraf is a plugin-driven …

NETWORKING

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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 …
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 …
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 …
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 …
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 …
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 …

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 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

More

Shrink KVM Virtual Machine LVM Partitioned Disk

Install and Configure BackupPC on CentOS 8

Setup Software RAID on Ubuntu 20.04

Install and Configure BackupPC on Rocky Linux 8

How to Setup Ceph Admin Node in High Availability

Install ownCloud Server on Debian 12

Install ownCloud Desktop Client on Debian 10

Install and Setup BackupPC Server on Ubuntu 20.04

VIRTUALIZATION

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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 …

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 …

clone kvm virtual machines

How to Clone KVM Virtual Machines

koromicha

What is the quick and easy way to clone KVM virtual machines? In this guide, …

Install VirtualBox Guest Additions on Rocky Linux 9

Install Oracle Linux 9 on VirtualBox

koromicha

In this tutorial, you will learn on how to simply install Oracle Linux 9 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 …

How to Upload ISO File to VMware ESXi Datastore using vSphere Client

koromicha

Hello there, welcome to this tutorial on how to upload an ISO file to VMware …

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 …

Install VirtualBox Guest Additions on Debian 10 Buster

koromicha

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

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 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 …

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 …
shrink KVM virtual machine LVM partitioned disk

Shrink KVM Virtual Machine LVM Partitioned Disk

Is it possible to shrink KVM virtual machine LVM partitioned disk? Well, to be honest, this is an almost mission …
Change Windows Boot Device from IDE to Virtio on KVM

Change Windows Boot Device from IDE to Virtio on KVM

In this tutorial, you will learn how to change Windows boot device from IDE to Virtio on KVM. IDE and …

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