Database, HowTos, LAMP Stack, MariaDB

Install LAMP Stack with MariaDB 10 on Debian 10 Buster

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Jay Decrame
HowTos

Install Latest Google Chrome Browser on Debian 10

Remote Desktop, HowTos

Install and Setup Chrome Remote Desktop on Ubuntu 20.04

HowTos, PHP

Install PHP 7.4 on CentOS 8

Directory Server, HowTos

Install and Configure OpenLDAP server on Fedora 29

Containers

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automate tasks in OpenShift with Kubernetes jobs and cron jobs

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

In this guide, we’ll explore how to set up and automate tasks in OpenShift with Kubernetes jobs and cron jobs. …
Understanding OpenShift Security Context Constraints

Control OpenShift Pod Permissions with SCCs and Service Accounts

In this blog post, we will discuss how you can control OpenShift pod permissions with SCCs and service accounts. Have …
Deploy All-In-One OpenStack with Kolla-Ansible on Ubuntu 22.04

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

In this guide, you will to learn how to deploy all-in-one OpenStack with Kolla-Ansible on Ubuntu 22.04. Kolla provides Docker …
install docker ce

Install Docker CE on Ubuntu 20.04

backup and restore kubernetes etcd cluster

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

Configure OpenShift 4 Image Registry Persistent Storage with ODF

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

Install and Use Docker on Debian 10 Buster

install portainer on Linux

Install Portainer on Rocky Linux

Install Fedora CoreOS on KVM Using an ISO File

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

Deploy ELK Stack 8 on Docker Containers

Deploy ELK Stack 8 Cluster on Docker Containers

Kubernetes Kustomize 101: Introduction and Basics

Kubernetes Kustomize 101: Introduction and Basics

Automate OpenShift Builds with Git Webhooks

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

using configmaps in kubernetes

Step-by-Step Guide to Using ConfigMaps in Kubernetes

how Kubernetes assigns pods to nodes

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

Assign Roles to Users and Groups in Kubernetes Cluster

Assign Roles to Users and Groups in Kubernetes Cluster

automate tasks in OpenShift with Kubernetes jobs and cron jobs

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

nagios docker

Deploy Nagios as a Docker Container

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

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

kubernetes secrets

How to Use Secrets in Kubernetes Applications

Security

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How to Setup a Local CA Server on Ubuntu

How to Perform System Security Auditing with Lynis on Ubuntu 18.04

Install and Configure Squid Proxy on Rocky Linux 8

Most Popular

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check hardware information on Linux system
Linux Commands

How to Check Hardware information on Linux System

HowTos, Database, MariaDB

Install MariaDB 10.4 on CentOS 8

HowTos, InfluxDB, Monitoring, Telegraf, TICK Stack, TIG stack

Monitor System Metrics with TICK Stack on Ubuntu 20.04

What are the core concepts in Kubernetes?
Containers, HowTos, Kubernetes

What are the core concepts in Kubernetes?

Install VirtualBox Guest Additions on Ubuntu 24.04
Virtualization, HowTos, VirtualBox

Install VirtualBox Guest Additions on Ubuntu 24.04

Install Kubernetes Dashboard on Ubuntu
Containers, HowTos, Kubernetes, Monitoring

Easy Way to Install Kubernetes Dashboard on Ubuntu 22.04/20.04

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

Process and Visualize ModSecurity Logs on ELK Stack

How to Enable Basic Authentication on ELK Stack

Install VeraCrypt on Debian 11

Install GVM Vulnerability Scanner on Ubuntu 24.04

Setup Multinode Elasticsearch 8.x Cluster

Monitor SSL/TLS Certificate Expiry with Prometheus and Grafana

Configure Filebeat-Elasticsearch Authentication

Install and Setup Lynis Security Auditing tool on CentOS 8

Install Arkime Full Packet Capture tool on Ubuntu

Configure LibModsecurity with Apache on CentOS 8

Cybersecurity In The Home: 3 Steps Households Can Take

MONITORING

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Setup Multi-node Elasticsearch Cluster

How to Setup Multinode Elasticsearch 9 Cluster

Kifarunix

Follow through this tutorial to learn how to setup multinode Elasticsearch 9 cluster. As of …

Update/Change Kibana Visualization Index Pattern

Update/Change Kibana Visualization Index Pattern

gen_too

In this tutorial, you will learn how to update/change kibana visualization index pattern. Kibana is a …

Install Prometheus on Debian 12

How to Install Prometheus on Debian 12

Kifarunix

In this guide, you will learn how to install Prometheus on Debian 12. Prometheus is an open-source …

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 …

Install and Setup NetData on Ubuntu 20.04/18.04

koromicha

In this tutorial, you will learn how to install and setup NetData on Ubuntu 20.04/18.04. …

Install and Configure Nagios Core From Source on Ubuntu 18.04

Install and Configure Nagios Core From Source on Ubuntu 18.04

koromicha

In this tutorial we are going to learn how to install and Configure Nagios Core …

Install and Setup TIG Stack on Ubuntu 20.04

gen_too

In this tutorial, we are going to learn how to install and setup TIG Stack …

Configure Filebeat 8 to Write Logs to Specific Data Stream

Configure Filebeat 8 to Write Logs to Specific Data Stream

Kifarunix

This guide will take you through how to configure Filebeat 8 to write logs to …

Backup and Restore Elasticsearch Index Data

Backup and Restore Elasticsearch Index Data

gen_too

In this blog post, you will learn how to backup and restore Elasticsearch Index data. …

install and configure snmp on Linux

Install and Configure SNMP on Rocky Linux 8/9

koromicha

Follow through this tutorial to learn how to install and configure SNMP on Rocky Linux …

install and configure snmp ubuntu 20.04

Quick Way to Install and Configure SNMP on Ubuntu 20.04

In this guide, we are going to learn how to install and configure SNMP on Ubuntu 20.04. SNMP is an …
How to Monitor IT Infrastructure using Checkmk

How to Monitor IT Infrastructure using Checkmk

In this tutorial, you will learn how to monitor IT infrastructure using Checkmk. Checkmk is a free and Open Source …
fleet

Install and Setup Kolide Fleet on Ubuntu 18.04

In this guide, we are going to learn how to install and Setup Kolide Fleet on Ubuntu 18.04. Kolide Fleet …

NETWORKING

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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 …
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 …

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 …
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 …
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

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 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 …

STORAGE

More

Setup GlusterFS Distributed Replicated Volume on CentOS 8

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

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

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

Configure and Use Ceph Block Device on Linux Clients

Shrink KVM Virtual Machine LVM Partitioned Disk

Install ownCloud Server on Ubuntu 22.04

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

VIRTUALIZATION

More

Install VirtualBox on Debian 11 Desktop

gen_too

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

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 …

kali linux 2021.3 desktop

Install Kali Linux 2020.3 on VirtualBox

koromicha

In this tutorial, you will learn how to install Kali Linux 2020.3 on VirtualBox. Kali …

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 …

shrink KVM virtual machine LVM partitioned disk

Easy Way to Decrease/Shrink KVM Virtual Machine Disk Size

Kifarunix

In this tutorial, you will learn an easy way to decrease/shrink KVM virtual machine disk …

wubuntu

Install Wubuntu Linux on VirtualBox

Kifarunix

Follow through this guide to learn how to install Wubuntu Linux on VirtualBox. According to …

How to Rename KVM Virtual Machine with virsh command

How to Rename KVM Virtual Machine with virsh command

koromicha

Is it possible to rename KVM virtual machine? Yes, follow through this guide to learn …

How to Install FreeBSD 12 on VirtualBox

koromicha

Hello there, welcome to our guide on how to install FreeBSD 12 on VirtualBox. FreeBSD …

Install Fedora 30 Workstation on VirtualBox

koromicha

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

How to Clone a Virtual Machine on VMware ESXi

koromicha

Having trouble with cloning a virtual machine in VMware ESXi? Worry no more. This guide …

How to Upgrade VirtualBox 5.2 to VirtualBox 6.0 on Ubuntu 16.04

In this tutorial, we are going to learn how to Upgrade VirtualBox 5.2 to VIrtualBox 6.0 on Ubuntu 16.04. Oracle …

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

Hello there, welcome to this tutorial on how to upload an ISO file to VMware ESXi using vSphere client. Well, …

Install Debian 10 Buster on VirtualBox

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

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