HowTos

Learn the Advantages of Combining CRMs With Project Management

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Kifarunix
HowTos, Directory Server, OpenLDAP

Install and Setup OpenLDAP on CentOS 8

Monitoring, HowTos, osquery, Security

Install Osquery on Ubuntu 20.04

HowTos

Install TensorFlow on Ubuntu 22.04

Storage, Ceph, HowTos

Install and Setup Ceph Storage Cluster on Ubuntu 22.04

Containers

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Kubernetes cluster high availability

Setup Highly Available Kubernetes Cluster with Haproxy and Keepalived

This tutorial provides a step-by-step guide on how to setup highly available Kubernetes cluster with Haproxy and Keepalived. For anyone …
provision Block Storage for Kubernetes on Rook Ceph Cluster

Provision Block Storage for Kubernetes on Rook Ceph Cluster

In this tutorial, you will learn how to provision block storage for Kubernetes on Rook ceph cluster. Rook is an …
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

In this guide, we will cover how to backup applications and persistent volumes in OpenShift with OADP. This is Part …
Monitor Docker Swarm and Container metrics using Metricbeat

Monitor Docker Swarm and Container metrics using Metricbeat

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

provision Block Storage for Kubernetes on Rook Ceph Cluster

Provision Block Storage for Kubernetes on Rook Ceph Cluster

What are the core concepts in Kubernetes?

What are the core concepts in Kubernetes?

Install Metrics Server on Kubernetes

Install Kubernetes Metrics Server on a Kubernetes Cluster

check Docker container RAM and CPU usage

How to Check Docker Container RAM and CPU Usage

Setup Kubernetes Cluster on Ubuntu

Install and Setup Kubernetes Cluster on Ubuntu 24.04

Creating Users in Kubernetes

Kubernetes User Management: Creating Users, Groups and Service Accounts

Install Portainer Extension on Docker Desktop

Install Portainer Extension on Docker Desktop

Extend OpenShift CoreOS /sysroot Root Filesystem

Extend OpenShift CoreOS /sysroot Root Filesystem

Scale OpenShift Data Foundation Storage on Bare Metal

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

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

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

Kubernetes Cluster on RHEL 9

Install and Setup Kubernetes Cluster on RHEL 9

Gracefully Remove Worker Node from Kubernetes Cluster

Gracefully Remove Worker Node from Kubernetes Cluster

Deploy Ceph Storage Cluster in Kubernetes using Rook

Deploy Ceph Storage Cluster in Kubernetes using Rook

Enable User Workload Monitoring in OpenShift 4.20

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

Security

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Install OSSEC HIDS Agent on Ubuntu 20.04

Analyze Network Traffic using Zeek

Install GVM 21.4 on Ubuntu 20.04

Most Popular

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HowTos, Security, Ubuntu 18.04

How to Protect Single User Mode with Password in Ubuntu 18.04

Backup and Restore Elasticsearch Index Data
Elastic Stack, Monitoring

Restore Elasticsearch Snapshot to another Cluster

kvm and terraform
HowTos, Automation, Automation, KVM, Virtualization

Automate Virtual Machine Creation on KVM with Terraform

Grafana, HowTos, Monitoring, Node Exporter, Prometheus

Integrate Prometheus with Grafana for Monitoring

Exploring the World of Residential Proxy Networks
HowTos, Security

Exploring the World of Residential Proxy Networks

The Silver Linings of Distance Learning
HowTos

The Silver Linings of Distance Learning

How To Ensure Top Security For Your Business

The Smart Business Owner’s Guide to Access Control and Biometric Security

Install Wireshark on Rocky Linux

How to Install IBM QRadar CE v7.3.1 on VirtualBox

Install and Setup Lynis Security Auditing tool on Ubuntu 20.04

Configure Squid Proxy OpenLDAP Authentication on pfSense

Easily Install ModSecurity with Apache on Rocky Linux 8

Install Osquery on Rocky Linux 8

Install Wazuh Server on Rocky Linux 8/Rocky Linux 9

How to Install and Configure Nessus Scanner on Ubuntu 18.04/CentOS 7

How to Install OSSEC Agent on Solaris 11.4

Install ModSecurity with Apache on Ubuntu 22.04

MONITORING

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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 …

kibana login page

How to Enable Basic Authentication on ELK Stack

gen_too

In this tutorial, you will learn how to enable basic authentication on ELK stack. Elastic/ELK …

Enable HTTPS Connection Between Elasticsearch Nodes

Enable HTTPS Connection Between Elasticsearch Nodes

gen_too

In this tutorial, you will learn how to enable HTTPS connection between Elasticsearch nodes. One …

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. …

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 …

Install Nagios Plugins From Source RHEL/CentOS/Oracle Linux

Install Nagios Plugins and NRPE agents on CentOS 7/RHEL 7/Fedora 29

koromicha

In this article, we are going to learn how to install Nagios Plugins and NRPE …

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 …

monitor docker containers using nagios

How to Monitor Docker Containers using Nagios

Kifarunix

Can Nagios monitor docker container? Yes, in this tutorial, you will learn how to monitor …

Deploy ELK Stack 8 on Docker Containers

Deploy ELK Stack 8 Cluster on Docker Containers

Kifarunix

Follow through this guide to learn how to deploy ELK Stack 8 cluster on Docker …

How to Upgrade ELK Stack 7.x to ELK Stack 8.x

How to Upgrade ELK Stack 7.x to ELK Stack 8.x

Kifarunix

How to upgrade Elasticsearch 7 to 8? In this guide, you will learn how to …

Nagios SNMP Monitoring of Linux Hosts

Nagios SNMP Monitoring of Linux Hosts on AlienVault USM/OSSIM

In this guide, we are going to learn how to configure Nagios SNMP monitoring of Linux hosts. We will be …
Install Wazuh SIEM Server on RHEL 9/RHEL 10

How to Install Wazuh SIEM Server on RHEL 9/RHEL 10

In this tutorial, you will learn how to install Wazuh SIEM server on RHEL 9/RHEL 10. The Wazuh platform offers …
Install and Setup Nagios

Install and Setup Nagios Core on Ubuntu 20.04

In this guide, we will provide a step-by-step tutorial on how to install and setup Nagios Core on Ubuntu 20.04. …

NETWORKING

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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, …
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 …
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 …
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 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, …
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 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 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 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 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 …
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 …

STORAGE

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Install Couchbase Server on Ubuntu 22.04/Ubuntu 20.04

Install and Setup GlusterFS Storage Cluster on CentOS 8

Install and Setup Ceph Storage Cluster on Ubuntu 20.04

How to Install MinIO Object Storage Server on RHEL 9

Part 2: Integrate OpenStack with Ceph Storage Cluster

Easy way to Setup NFS Server on Ubuntu 20.04

Create LVM Logical Volumes in Linux

Install ownCloud Server on Debian 12

VIRTUALIZATION

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Install VirtualBox on Debian 11 Desktop

gen_too

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

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 KVM on Oracle Linux

Install KVM on Oracle Linux

koromicha

In this tutorial, you will learn how to install KVM on Oracle Linux. KVM, an …

deploy HAProxy as a Docker container

Deploy HAProxy as a Docker Container

gen_too

Follow through this tutorial to learn how to deploy HAProxy as a Docker container. HAProxy …

Install VirtualBox Guest Additions on Fedora 31/32

koromicha

In this guide, we are going to learn how to install VirtualBox Guest Addition on …

Install Fedora 30 Workstation on VirtualBox

koromicha

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

How to Upgrade VirtualBox 5.2 to VirtualBox 6.0 on Ubuntu 16.04

koromicha

In this tutorial, we are going to learn how to Upgrade VirtualBox 5.2 to VIrtualBox …

Install and Configure Endian Firewall on VirtualBox

Install and Configure Endian Firewall on VirtualBox

koromicha

Welcome to our guide on how to install and configure Endian Firewall on VirtualBox. Endian …

Install Rocky Linux 9 on VirtualBox

Install Rocky Linux 9 on VirtualBox

koromicha

In this tutorial, you will learn on how to easily install Rocky Linux 9 on …

Install VirtualBox Guest Additions on Rocky Linux 8

Install VirtualBox Guest Additions on Rocky Linux 8

koromicha

In this tutorial, you will learn how to install VirtualBox guest additions on Rocky Linux …

Easily Access Shared Folder on Linux VirtualBox VM

Easily Access Shared Folder on Linux VirtualBox VM

In this tutorial, you will learn how to setup and easily access shared folder on Linux VirtualBox VM. VirtualBox supports …
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 …
Create and Upload Custom Linux Image into OpenStack

Create and Upload Custom Linux Image into OpenStack

In this tutorial, you will learn how to create and upload custom Linux image into OpenStack. An image is a …

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