HowTos, NTP, RHEL

How to Install and Configure NTP Server Using Chrony on Fedora 29/Fedora 28

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koromicha
HowTos

Hide your Network and Prevent Unauthorized Connections

Database, HowTos, MariaDB, MySQL

Install MySQL 8 on Fedora 30/Fedora 29

HowTos, Elastic Stack, Monitoring

Setup Kibana Elasticsearch and Fluentd on CentOS 8

HowTos, Security

Install and Configure Snort 3 on Ubuntu 22.04

Containers

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StatefulSets in Kubernetes: Everything You Need to Know

StatefulSets in Kubernetes: Everything You Need to Know

In this blog post, you will learn about statefulsets in Kubernetes and everything you need to know: the definition and …
How to Install Docker on Ubuntu 24.04

How to Install Docker on Ubuntu 24.04

In this tutorial, we are going to learn how to install Docker on Ubuntu 24.04. Docker is a platform that …
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 …
kubernetes states: declared vs actual state

Understanding Kubernetes States: Declared vs Observed states Explained

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

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

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

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

automate tasks in OpenShift with Kubernetes jobs and cron jobs

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

kubernetes drain vs cordon nodes

Kubernetes Nodes Maintenance: Drain vs. Cordon Demystified

Serverless Computing with Linux on AWS Lambda

Serverless Computing with Linux on AWS Lambda

Monitor Docker Swarm and Container metrics using Metricbeat

Monitor Docker Swarm and Container metrics using Metricbeat

check Docker container RAM and CPU usage

How to Check Docker Container RAM and CPU Usage

Kubernetes cluster high availability

Setup Highly Available Kubernetes Cluster with Haproxy and Keepalived

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

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

monitor Docker containers metrics using Grafana

Monitor Docker Containers Metrics using Grafana

Assign Roles to Users and Groups in Kubernetes Cluster

Assign Roles to Users and Groups in Kubernetes Cluster

Install Dozzle Real-Time Log Viewer for Docker Containers on Ubuntu

Install Dozzle Real-Time Log Viewer for Docker Containers on Ubuntu

Install Helm on Kubernetes Cluster

Step-by-Step Guide: How to Install Helm on Kubernetes Cluster

upgrade openshift 4

How to Upgrade OpenShift Cluster: Seamless Steps for Success

Creating Users in Kubernetes

Kubernetes User Management: Creating Users, Groups and Service Accounts

Security

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How to Install RKHunter (RootKit Hunter) On Ubuntu 18.04

Get the Most Out of Your Penetration Testing Services: Tips and Tricks

Install and Setup Passbolt Password Manager on Ubuntu 20.04

Most Popular

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HowTos

Easily Install MariaDB 10.5 on FreeBSD 12.1

integrate openstack with ceph storage cluster
HowTos, Ceph, Cloud Compute, OpenStack, Storage

Part 2: Integrate OpenStack with Ceph Storage Cluster

install and configure snmp on Linux
Monitoring, HowTos, SNMP

Install and Configure SNMP on CentOS 8

How to Setup a Local CA Server on Ubuntu
Security, HowTos, SSL/TLS

How to Setup a Local CA Server on Ubuntu

Best GUI Tools for MySQL on Linux
HowTos, Database, MySQL

Best GUI Tools for MySQL on Linux

filebeat
Security, Elastic Stack, HowTos

Configure Filebeat-Elasticsearch Authentication

How to Protect Single User Mode with Password in Ubuntu 18.04

How to Install Outline VPN on Linux Systems

Configure SSH Local Port Forwarding in Linux

How to Install Arkime with Elasticsearch 8 on Ubuntu 24.04

Monitor Linux Hosts using Nagios check_by_ssh Plugin

Install and Configure Endian Firewall on VirtualBox

Install LibModsecurity with Apache on Fedora 30/29/CentOS 7

5 Things You Didn’t Know You Can Do with a VPN

Configure LibModsecurity with Nginx on CentOS 8

What Is an SSL Certificate and How Can It Benefit Your Business?

Intercept Malicious File Upload with ModSecurity and ClamAV

Analyze Network Traffic Using Brim Security

MONITORING

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Send Alert When ClamAV Finds Infected Files on Linux Systems

Send Alert When ClamAV Finds Infected Files on Linux Systems

gen_too

In this tutorial, you will learn how to send alert when ClamAV finds infected files …

check mk agents

How to Install Checkmk Monitoring Agents on Linux

koromicha

In this tutorial, you will learn how to install Checkmk monitoring agents on Linux. Monitoring …

Install Logstash 7 on Fedora 30/Fedora 29/CentOS 7

Install Logstash 7 on Fedora 30/Fedora 29/CentOS 7

koromicha

This guide will focus on how to install Logstash 7 on Fedora 30/Fedora 29/CentOS 7 …

Install Elastic Stack 7 on Ubuntu

Install Elastic Stack 7 on Ubuntu 18.04/Debian 9.8

koromicha

This tutorial will guide on how to install Elastic Stack 7 on Ubuntu 18.04/Debian 9.8. …

Install latest Graylog on CentOS 7

koromicha

Follow through this guide to learn how to install latest Graylog on CentOS 7. Graylog is a …

Configure ELK Stack Alerting with ElastAlert

Configure ELK Stack Alerting with ElastAlert

gen_too

Welcome to our tutorial on how to configure ELK Stack alerting with ElastAlert. As much …

kibana

Install ELK Stack on Rocky Linux 8

gen_too

Welcome to our demo on how to install ELK Stack on Rocky Linux 8. ELK is the …

Install Icinga Web 2 on Debian 10 Buster

koromicha

In this guide, we are going to learn how to install Icinga Web 2 on …

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 Nagios Core on FreeBSD 13

Install Nagios Core on FreeBSD 13

koromicha

In this guide, we are going to learn how to install Nagios Core on FreeBSD …

Install Grafana on Debian 12

How to Install Grafana on Debian 12

In this guide, we will provide step-by-step instructions on how to install Grafana on Debian 12. Grafana is a powerful …
filebeat

Install and Configure Filebeat on CentOS 8

In this tutorial, we are going to learn how to install and configure Filebeat on CentOS 8. Filebeat is one …
Monitor Docker Swarm Service Metrics using Grafana

Monitor Docker Swarm Service Metrics using Grafana

How can I monitor Docker swarm service metrics? In this tutorial, you will learn how to monitor Docker swarm service …

NETWORKING

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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 …
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 …
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 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 …
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 …
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 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 …
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 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 …

STORAGE

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Create RAID Level 10 (RAID 1+0) on Ubuntu 20.04

Install and Setup Ceph Storage Cluster on Ubuntu 22.04

Part 1: Integrate OpenStack with Ceph Storage Cluster

Part 2: Integrate OpenStack with Ceph Storage Cluster

Install ownCloud Server on Debian 11

How to Deploy Ceph Storage Cluster on Debian 12

Setup Software RAID on Ubuntu 20.04

Extend Existing LUKS-Encrypted LVM by Adding Physical Volume

VIRTUALIZATION

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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 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 …

Install VirtualBox Guest Additions on Oracle Linux 9

Install VirtualBox Guest Additions on Oracle Linux 9

koromicha

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

Install Debian 10 Buster on VirtualBox

koromicha

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

perform unattended VM installation on VirtualBox 7

Perform Unattended VM Installation on VirtualBox 7

Kifarunix

What is VirtualBox unattended installation? Follow through this tutorial to learn how to perform unattended …

Install VirtualBox Guest Additions on Rocky Linux 9

Install Oracle Linux 9 on VirtualBox

koromicha

In this tutorial, you will learn on how to simply install Oracle Linux 9 on …

insert guest addition iso

Install VirtualBox Guest Additions on Wubuntu

Kifarunix

Follow through this step by step guide to lean how to install VirtualBox Guest Additions …

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 …

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 …

kali linux 2021.3 desktop

Upgrade Kali Linux 2021.3 to 2021.4

koromicha

Learn how to upgrade Kali Linux 2021.3 to 2021.4. Kali Linux 2021.4 has just been …

Install Ubuntu 20.04 on VirtualBox

Follow through this guide to learn how to install Ubuntu 20.04 on VirtualBox. Well, Ubuntu 20.04 is the next major …
kvm and terraform

Automate Virtual Machine Creation on KVM with Terraform

In this tutorial, you will learn how to automate Virtual Machine creation on KVM with Terraform. If you are creating …
Install Solaris 11.4 on VirtualBox

Easily Install Solaris 11.4 on VirtualBox

In this tutorial, you will learn on how to easily install Solaris 11.4 on VirtualBox. Oracle Solaris is the trusted …

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