HowTos

Configure SSSD for LDAP Authentication on Ubuntu 22.04

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koromicha
Monitoring, Elastic Stack

Install and Configure Logstash 7 on Ubuntu 18/Debian 9.8

HowTos

Safe And Secured Platforms To Buy Bitcoin In 2022

HowTos

What To Do If You Deleted Important Files On Your Hard Drive

HowTos, Virtualization, VMware

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

Containers

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

Part 3: How to Restore and Validate Application Backups in OpenShift with OADP

In this guide, you will learn how to restore and validate application backups in OpenShift with OADP. This is Part …
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 Fedora CoreOS on KVM Using an ISO File

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

In this tutorial, you will learn how to install Fedora CoreOS on KVM using an ISO file. Fedora CoreOS is a minimal, …
Serverless Computing with Linux on AWS Lambda

Serverless Computing with Linux on AWS Lambda

backup and restore kubernetes etcd cluster

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

kubernetes kubeconfig

What is Kubeconfig File in a 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

Deploy Multi-Node OpenStack using Kolla-Ansible

Deploy Multinode OpenStack using Kolla-Ansible

Understanding OpenShift Security Context Constraints

Control OpenShift Pod Permissions with SCCs and Service Accounts

Static Pods vs Mirror Pods vs DaemonSets

Kubernetes Pod Management: Static Pods vs Mirror Pods vs DaemonSets

Understanding OpenShift Security Context Constraints

Understanding OpenShift Security Context Constraints: The Complete Guide

What are the core concepts in Kubernetes?

What are the core concepts in Kubernetes?

How to Configure Centralized Logging in OpenShift with LokiStack and ODF

How to Configure Centralized Logging in OpenShift with LokiStack and ODF

install docker ce

Install Docker on Rocky Linux 8|9

using configmaps in kubernetes

Step-by-Step Guide to Using ConfigMaps in Kubernetes

deploy AWX on Kubernetes cluster using AWX Operator

Working Guide: Deploy AWX on Kubernetes Cluster with AWX Operator

how Kubernetes assigns pods to nodes

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

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

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

kubernetes states: declared vs actual state

Understanding Kubernetes States: Declared vs Observed states Explained

Security

More

Setup OpenVPN Server on CentOS 8

Install and Setup VeraCrypt on Linux Mint 21

Configure CentOS/Rocky/Oracle Linux as a Linux Router

Most Popular

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HowTos

Run Nexus Repository Behind Nginx Reverse Proxy

Install MariaDB 10.5 on FreeBSD 13
HowTos

Install MariaDB 10.5 on FreeBSD 13

Directory Server, HowTos, OpenLDAP

Setup OpenLDAP Server with SSL/TLS on Debian 10

HowTos

Install Google Chrome Browser on CentOS 8

webmin
HowTos, Remote Desktop, System Manager, Webmin

Install Webmin on Rocky Linux 8

What is AWS Shared Responsibility Model?
HowTos

What is AWS Shared Responsibility Model?

Fix AlienVault HIDS Events Displaying 0.0.0.0 as IP Address

Is a Firewall Box All You Need for Home and Small Office Security?

Install Kali Linux 2020.3 on VirtualBox

Enable SSH 2-Factor Authentication on Ubuntu 18.04

Install and Setup OSSEC agent on Ubuntu 18.04/CentOS 7

Install Gophish on Ubuntu 18.04/Debian 9.8

Install and Configure AIDE on Ubuntu 20.04

Configure Squid Proxy OpenLDAP Authentication on pfSense

Install and Setup VeraCrypt on Linux Mint 21

Install and Setup Squid Proxy on Debian 11/10

Configure Filebeat-Elasticsearch Authentication

Studying cybersecurity and gaining the greatest achievements in data protection

MONITORING

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Enable User Workload Monitoring in OpenShift 4.20

How to Enable User Workload Monitoring in OpenShift 4.20: Let Developers Monitor Their Apps

Kifarunix

In this blog post, you will learn how to enable user workload monitoring in OpenShift …

nagios

Install Nagios on Debian 11

gen_too

In this guide, we are going to learn how to install Nagios on Debian 11. Nagios is …

Install and Configure Prometheus on CentOS 8

koromicha

Welcome to our guide on how to install and configure Prometheus on CentOS 8. Prometheus …

How to Monitor Disk Input/Output on Linux

How to Monitor Disk Input/Output on Linux

koromicha

In this tutorial, you will learn how to Monitor Disk Input/Output on Linux. In most …

Install Nagios Plugins From Source RHEL/CentOS/Oracle Linux

Install Nagios Plugins From Source RHEL/CentOS/Oracle Linux

koromicha

This guide describes how to install Nagios Plugins from Source RHEL/CentOS/Oracle Linux. In our previous tutorial, …

Install Grafana Monitoring Tool on Fedora 29

koromicha

This is yet another guide on how to install Grafana monitoring tool on Fedora 29. …

Generate Wildcard SSL Certificates for Elasticsearch

Generate Wildcard SSL Certificates for Elasticsearch

Kifarunix

Is there an easy way to generate wildcard SSL certificates for Elasticsearch? Yes, definitely. The …

Install and Setup Nagios

Install and Configure Nagios Core from Repos on Ubuntu 18.04

koromicha

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

nagios

Add Hosts to Nagios Server For Monitoring

koromicha

In this guide, we are going to learn how to add hosts to Nagios Server …

Install OSSEC HIDS Agent

Install OSSEC Agent on CentOS 8

koromicha

This guide presents a step-by-step tutorial on how to install OSSEC Agent on CentOS 8. …

Install and Configure Wazuh Manager

Install and Configure Wazuh Manager on Ubuntu 22.04

In this tutorial, you will learn how to install and configure Wazuh Manager on Ubuntu 22.04. According to the documentation, …
Install Fleet Osquery Manager on Debian 10

Install Fleet Osquery Manager on Rocky Linux

In this tutorial, you will learn how to install Fleet osquery manager on Rocky Linux. According to its Github repository, …
Deploy ELK Stack 8 on Docker Containers

Deploy ELK Stack 8 on Docker Containers

How to run single node ELK stack 8 on Docker? In this tutorial, you will learn how to deploy ELK …

NETWORKING

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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 …
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 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 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 …
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 …
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 …
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 …
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 …

STORAGE

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Part 3: How to Restore and Validate Application Backups in OpenShift with OADP

How Install and Configure iSCSI Storage server on CentOS 7

How to Install BackupPC on Debian 12

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

Install ownCloud Desktop Client on Debian 10

Part 2: Integrate OpenStack with Ceph Storage Cluster

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

Part 1: Integrate OpenStack with Ceph Storage Cluster

VIRTUALIZATION

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install ubuntu 25.04 on virtualbox

How to Install Ubuntu 25.04 on VirtualBox: A Step-by-Step Guide

Kifarunix

Wondering how to install Ubuntu 25.04 on VirtualBox? Ubuntu 25.04, codenamed “Plucky Puffin,” is the …

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 …

how to automate virtual machine installation on VirtualBox

Automate Virtual Machine Installation on VirtualBox

koromicha

In this tutorial, you will learn how to automate virtual machine installation on VirtualBox. Many …

kali linux 2021.3 desktop

Install VirtualBox Guest Additions on Kali Linux 2020.3

koromicha

In order to set your Kali Linux running on VirtualBox in fullscreen mode, you need …

shrink KVM virtual machine LVM partitioned disk

Shrink KVM Virtual Machine LVM Partitioned Disk

Kifarunix

Is it possible to shrink KVM virtual machine LVM partitioned disk? Well, to be honest, …

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 …

Install and Setup Security Onion on VirtualBox

Install and Setup Security Onion on VirtualBox

gen_too

In this tutorial, you will learn how to install and setup Security Onion on VirtualBox. …

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 …

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. …

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 …

How to Configure OpenStack Networks for Internet Access

How to Configure OpenStack Networks for Internet Access

How would you configure OpenStack networks for Internet access? Internet access is crucial for various reasons within an OpenStack environment. …
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 …
Install Debian 12 on VirtualBox

Install Debian 12 on VirtualBox

Follow through this tutorial to learn how to install Debian 12 on VirtualBox. The Debian project is proud to present …

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