HowTos, Database, MariaDB

Install MariaDB 10 on Debian 10 Buster

BY
koromicha
Monitoring, Elastic Stack, HowTos

Backup and Restore Elasticsearch Index Data

HowTos, Ansible, Automation, Cloud Compute, Containers, Docker, OpenStack

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

Virtualization, HowTos, KVM

How to Install KVM on Ubuntu 24.04

OpenStack, Cloud Compute, HowTos

How to Import Kali Linux Image into OpenStack (2024.x): A Complete Guide

Containers

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kubernetes kubeconfig

What is Kubeconfig File in a Kubernetes Cluster?

What is kubeconfig file in a Kubernetes Cluster? If you are just starting out your journey in Kubernetes, it is …
Configure OpenShift 4 Image Registry Persistent Storage with ODF

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

This guide walks you through how to configure OpenShift 4 image registry persistent storage with ODF. After deploying OpenShift 4 …
Kubernetes Ingress Explained

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

Welcome to our tutorial on how you can utilize Kubernetes Ingress to manage external access to your Kubernetes services. Kubernetes …
How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

How to Backup and Restore Applications in OpenShift 4 with OADP (Velero) and ODF

How to Backup and Restore Applications in OpenShift 4 with OADP (Velero) and ODF

kubernetes states: declared vs actual state

Understanding Kubernetes States: Declared vs Observed states Explained

How to Deploy Single Node OpenShift (SNO) Using the Agent-Based Installer on KVM

Deploy Single Node OpenShift (SNO) on KVM: Agent-Based Installer Guide

role-based access control in kubernetes

Introduction to Role-Based Access Control (RBAC) in Kubernetes

Configure HTPasswd Identity Provider in OpenShift 4.x

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

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

automate tasks in OpenShift with Kubernetes jobs and cron jobs

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

deploy WordPress using Docker compose

Deploy WordPress using Docker Compose

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

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

Install Kubernetes Dashboard on Ubuntu

Easy Way to Install Kubernetes Dashboard on Ubuntu 22.04/20.04

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

Install Minikube on Debian 12

Installing Minikube on Ubuntu 24.04

backup and restore kubernetes etcd cluster

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

check Docker container RAM and CPU usage

How to Check Docker Container RAM and CPU Usage

How to Deploy an Application in a Docker Swarm Cluster

How to Deploy an Application in a Docker Swarm Cluster

Security

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Configure LibModsecurity with Nginx on CentOS 8

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

Install Kali Linux 2020.3 on VirtualBox

Most Popular

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Install Microsoft Teams on Rocky Linux 8
HowTos

Install Microsoft Teams on Rocky Linux 8

webmin
HowTos, BIND, DNS, Webmin

Setup Bind DNS Using Webmin on Debian 10

How to Configure NFS Storage for CloudBees CI Managed Controllers HA on OpenShift
OpenShift, CICD, Containers, HowTos, Kubernetes, NFS, Storage

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

HowTos

How to Improve Your Business With Web Services

Install and Setup LEMP Stack on
HowTos, LEMP Stack, MariaDB

Install LEMP Stack on Debian 10 Buster

install clamav
Security, Antivirus, HowTos

How to Install and Use ClamAV Antivirus on Ubuntu 18.04

Setup OpenVPN Server on Rocky Linux 8

Install Osquery on Ubuntu 20.04

Installing Metasploit on Ubuntu 18.04 LTS

How to Install Arkime with Elasticsearch 8 on Ubuntu 24.04

Install GVM 21.04 on Debian 11/Debian 10

Understanding OpenShift Security Context Constraints: The Complete Guide

How To Reset Or Recover Root Password On OPNsense

WordPress: Fix Updating failed. The response is not a valid JSON response

Enforce Password Complexity Policy On CentOS 7/RHEL Derivatives

Complete Guide: Configuring Filebeat to Send Logs to Kafka

When It Comes to Security, Don’t Overlook Your Linux Systems

Install and Setup Suricata on Ubuntu 22.04/Ubuntu 20.04

MONITORING

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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 ELK Stack 8.x

Install ELK Stack 8.x on Ubuntu 24.04/Ubuntu 22.04

gen_too

In this tutorial, you will learn how to install ELK stack 8.x on Ubuntu 24.04/Ubuntu …

Install ELK Stack 8.x

Install ELK Stack 8 on Debian 12

Kifarunix

In this tutorial, you will learn how to install ELK stack 8 on Debian 12 …

Install Monitorix on Ubuntu 20.04

Install Monitorix on Debian 10

koromicha

This guide provides a step by step tutorial on how to install Monitorix on Debian …

How to Configure Centralized Logging in OpenShift with LokiStack and ODF

How to Configure Centralized Logging in OpenShift with LokiStack and ODF

Kifarunix

In this blog post, we will cover how to configure centralized logging in OpenShift with …

Install Osquery on Ubuntu 20.04

Install Osquery on Ubuntu 20.04

koromicha

In this guide, we are going to learn how to install osquery on Ubuntu 20.04. …

Install and Configure Zabbix

Install Zabbix 4.x from Sources on Debian 10 Buster

koromicha

Welcome again to our yet another guide on how to install Zabbix 4.x from sources …

Install LibreNMS on Linux

Install LibreNMS on Rocky Linux

koromicha

Follow through this tutorial to learn how to install LibreNMS on Rocky Linux. LibreNMS is …

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 …

Easy way to Integrate TheHive with Cortex

Easy way to Integrate TheHive with Cortex

gen_too

In this tutorial, you will learn how an easy way to integrate TheHive with Cortex. …

Install LibreNMS on Linux

Install LibreNMS on Ubuntu 22.04/Ubuntu 20.04

Follow through this tutorial to learn how to install LibreNMS on Ubuntu 22.04/Ubuntu 20.04. LibreNMS is a fully featured MySQL/PHP …

Install InfluxDB on Fedora 30/Fedora 29

Welcome to our guide on how to Install InfluxDB on Fedora 30/Fedora 29. InfluxDB is an open source time series …
Delete Specific Records from Elasticsearch Index

Delete Specific Records from Elasticsearch Index

This is a simple tutorial on how to search and delete specific records from Elasticsearch index. Elasticsearch ships with a …

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 …

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, …
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 …
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 …
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 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 …
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 …
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 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 …
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 …

STORAGE

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Deploy Ceph Storage Cluster in Kubernetes using Rook

Install and Setup Ceph Storage Cluster on Ubuntu 20.04

Backup Windows System via SMB Using BackupPC

Extend OpenShift CoreOS /sysroot Root Filesystem

Part 1: How to Install and Configure OADP Operator on OpenShift 4

How to Install Duplicati Backup Client on Ubuntu 22.04

How to Migrate ODF from Worker Nodes to Dedicated Storage Nodes on OpenShift 4.x

Create LVM Logical Volumes in Linux

VIRTUALIZATION

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Install Fedora 30 Workstation on VirtualBox

koromicha

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

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 …

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 Extension Pack on VirtualBox 6.0

koromicha

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

Resize Root Partition of VirtualBox VM Snapshot

koromicha

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

install kvm on ubuntu

How to Install KVM on Ubuntu 24.04

Kifarunix

In this tutorial, you will learn how to install KVM on Ubuntu 24.04. KVM (Kernel-based …

deploy OpenStack using DevStack on Ubuntu 22.04/Ubuntu 20.04

Deploy OpenStack using DevStack on Ubuntu 22.04/Ubuntu 20.04

koromicha

In this tutorial, you will learn how to deploy OpenStack using DevStack on Ubuntu 22.04/Ubuntu …

kali linux 2021.3 desktop

Easily Install Kali Linux 2021.3 on VirtualBox

gen_too

In this tutorial, you will learn how to install Kali Linux 2021.3 on VirtualBox. Kali Linux is …

Install VirtualBox 7 on Ubuntu 24.04

Install VirtualBox 7 on Ubuntu 24.04

Kifarunix

In this post, you will learn how to install VirtualBox 7 on Ubuntu 24.04. Installing …

install portainer on Linux

Install Portainer on Rocky Linux

koromicha

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

kali linux 2021.3 desktop

Install VirtualBox Guest Additions on Kali Linux 2021.3

In this tutorial, you will learn how to install VirtualBox guest additions on Kali Linux 2021.3. Guest additions offers many …
how to automate virtual machine installation on VirtualBox

Automate Virtual Machine Installation on VirtualBox

In this tutorial, you will learn how to automate virtual machine installation on VirtualBox. Many times, not once, not twice …

How to Install FreeBSD 12 on VirtualBox

Hello there, welcome to our guide on how to install FreeBSD 12 on VirtualBox. FreeBSD can run well in a …

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