Storage, Containers, HowTos, Kubernetes, OpenShift

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

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Kifarunix
HowTos, Java

Install Oracle Java 12 on CentOS 7/Fedora 29

HowTos, Containers, Docker, Monitoring

Deploy a Single Node ELK Stack Cluster on Docker Containers

Security, Forensics

Install GRR Incident Response Framework on Ubuntu 18.04

HowTos, PHP

Install PHP 7.4 on CentOS 8

Containers

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Static Pods vs Mirror Pods vs DaemonSets

Kubernetes Pod Management: Static Pods vs Mirror Pods vs DaemonSets

This tutorial serves as a guide to demystify different type of Kubernetes pods, in essence, Static Pods vs Mirror Pods …
How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

In this tutorial, you will learn how to integrate MinIO S3 storage with Kubernetes/OpenShift. MinIO is a high-performance, S3-compatible object …
How to Set Up Alerting in OpenShift 4: Alertmanager, Alert Rules & Notifications

How to Set Up Alerting in OpenShift 4: Alertmanager, Alert Rules & Notifications

In this blog post, we will run through how to set up alerting in OpenShift 4. After configuring monitoring and …
Deploy NRPE Agent as a Docker container

Deploy NRPE Agent as a Docker Container

Install Portainer Extension on Docker Desktop

Install Portainer Extension on Docker Desktop

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

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

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

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

kubernetes kubeconfig

What is Kubeconfig File in a Kubernetes Cluster?

docker elk

Deploy a Single Node ELK Stack Cluster on Docker Containers

Kubernetes cluster high availability

Setup Highly Available Kubernetes Cluster with Haproxy and Keepalived

Assign Roles to Users and Groups in Kubernetes Cluster

Assign Roles to Users and Groups in Kubernetes Cluster

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

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

Quickly Install MySQL 8 on Debian 12

Quickly Install MySQL 8 on Debian 12

Enable User Workload Monitoring in OpenShift 4.20

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

Install and Use Docker on Debian 10 Buster

Kubernetes Architecture: A High-level Overview of Kubernetes Cluster Components

Kubernetes Architecture: A High-level Overview of Kubernetes Cluster Components

kubernetes drain vs cordon nodes

Kubernetes Nodes Maintenance: Drain vs. Cordon Demystified

Deploy Multi-Node OpenStack using Kolla-Ansible

Deploy Multinode OpenStack using Kolla-Ansible

CloudBees CI Active Directory Integration: How to Configure Secure Authentication

CloudBees CI Active Directory Integration: How to Configure Secure Authentication

Security

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Install and Enroll Elastic Agents to Fleet Manager in Linux

How to fix WordPress could not establish a secure connection to WordPress.org

Install WireGuard VPN Client on Rocky Linux/Ubuntu/Debian

Most Popular

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HowTos, Monitoring, Prometheus

Install and Configure Prometheus on Debian 9

Directory Server, HowTos, OpenLDAP

Configure OpenLDAP Authentication on MacOS X

HowTos, Identity Management, Password Managers, Ubuntu 18.04

Install TeamPass Password Manager on Ubuntu 18.04

Run only Specific Commands with sudo in Linux
HowTos, Linux Commands, sudo

How to Add Users to sudo group in Linux

The Different Ways People Use The Internet To Get Passive Income
HowTos

The Different Ways People Use The Internet To Get Passive Income

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift
Storage, Containers, HowTos, Kubernetes, MinIO S3

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

Install Fleet Osquery Manager on Rocky Linux

Install and Configure Wazuh Manager on Ubuntu 22.04

Careers In IT You Need To Know About

How to Protect From Identity Theft Online: A Detailed Guide for 2022

Tips For Choosing The Right Antivirus Software

Monitor Changes to Critical Files on Windows Systems using Wazuh and ELK

How to Monitor OpenVPN Connections using openvpn-monitor tool

How To Reset Or Recover Root Password On OPNsense

Configure CentOS/Rocky/Oracle Linux as a Linux Router

How to fix WordPress could not establish a secure connection to WordPress.org

Install Metasploit Framework on Ubuntu 22.04/Ubuntu 20.04

Install and Configure AIDE on Ubuntu 20.04

MONITORING

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filebeat

Configure Filebeat-Elasticsearch Authentication

gen_too

This tutorial will take you through how you can configure filebeat-elasticsearch authentication. You realize that …

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 …

check Docker container RAM and CPU usage

How to Check Docker Container RAM and CPU Usage

Kifarunix

How to check Docker CPU and memory usage? In this tutorial, you will learn how …

Configure Nagios Email Notification Using Gmail

Configure Nagios Email Notification Using Gmail

koromicha

This guide will take you through how to configure Nagios Email Notification using Gmail. Nagios …

kibana custom ingest pipelines

Create Custom ELK Ingest Pipeline for Custom Log Processing

gen_too

Follow through this tutorial to learn how create custom ELK ingest pipeline for custom log …

setup highly available Elasticsearch cluster with Keepalived

Setup Highly Available Elasticsearch Cluster with Keepalived

Kifarunix

Step through this guide to learn how to setup highly available Elasticsearch cluster with Keepalived. …

wazuh app elk

Integrate Wazuh Manager with ELK Stack

gen_too

In this tutorial, you will learn how to integrate Wazuh manager with ELK stack as …

Install Osquery on Ubuntu 20.04

Enroll Osquery Hosts on Fleet Manager

koromicha

In this tutorial, you will learn how to add or enroll Osquery hosts on Fleet …

Forward Apache Logs to Central Log Server with Rsyslog

Forward Apache Logs to Central Log Server with Rsyslog

gen_too

In this tutorial, you will learn how to forward Apache logs to central log server …

Install OSSEC Agent on Solaris

How to Install OSSEC Agent on Solaris 11.4

koromicha

In this tutorial, we are going to learn how to install OSSEC agent on Solaris …

nxlog-ce

Install and Configure NXLog CE on Ubuntu 20.04

In this guide, we are going to learn how to install and configure NXLog CE on Ubuntu 20.04. NXLog is …

Install and Configure Prometheus on Fedora 29/Fedora 28

In this guide, we are going to learn how to install and configure Prometheus on Fedora 29/Fedora 28. As you …
Install and Configure Zabbix

Install Zabbix Server on Rocky Linux

In this guide, we are going to learn how to install Zabbix server on Rocky Linux. Zabbix is an enterprise …

NETWORKING

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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 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 …
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 …
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 …
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 …
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 …
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 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 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 …
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 …
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

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

Install ownCloud Server on Ubuntu 22.04

How to Upgrade ownCloud 9 to ownCloud 10 on Ubuntu 16.04

Create LVM Logical Volumes in Linux

How to Install Duplicati Backup Client on Ubuntu 22.04

How to Deploy Ceph Storage Cluster on AlmaLinux

Configure ownCloud OpenLDAP Authentication

VIRTUALIZATION

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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 …

Setup Three Node Docker Swarm Cluster on Ubuntu

How to Setup Three Node Docker Swarm Cluster on Ubuntu 22.04

Kifarunix

How can I setup a Docker swarm? In this tutorial, you will learn how to …

Install Ubuntu 21.04 Desktop on VirtualBox

Install Ubuntu 21.04 Desktop on VirtualBox

koromicha

In this tutorial, you learn how to install Ubuntu 21.04 Desktop on VirtualBox. The latest …

Resize Root Partition of VirtualBox VM Snapshot

koromicha

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

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 …

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 …

Upgrade Ubuntu 18.04 to Ubuntu 20.04

koromicha

Well, Ubuntu 20.04, codenamed Focal Fossa is now available for testing with official version being …

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 VirtualBox Guest Additions on Rocky Linux 9

Install VirtualBox Guest Additions on Rocky Linux 9

koromicha

Follow through this tutorial to learn how to install VirtualBox guest additions on Rocky Linux …

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, …

Install VirtualBox Guest Additions on CentOS 8

In our previous guide, we learnt how to Install CentOS 8 on VirtualBox. However, it doesn’t display in full-screen view …
How to Create And Delete OpenStack Project

How to Create And Delete OpenStack Project

In this blog post, we’ll provide a step by step tutorial on how to create and delete OpenStack projects. A …
List Running and Stopped VMS on KVM

List Running and Stopped VMS on KVM

Follow through this guide to learn how to list running and stopped vms on KVM. KVM, an acronym for Kernel-based …

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