HowTos

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, zimbra

Install Zimbra Mail Server on Fedora30/29/CentOS 7

Monitoring, Elastic Stack, HowTos

Easily Export Kibana Search Results to CSV/Excel file

HowTos, Java

Install Java 11 on Debian 9.8/Ubuntu 18.04

Monitoring, Elastic Stack

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

Containers

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Setup Kubernetes Cluster on Ubuntu

Install and Setup Kubernetes Cluster on Ubuntu 24.04

This tutorial provides a step by step guide on how to install and setup Kubernetes Cluster on Ubuntu 24.04. Kubernetes, …
What are the core concepts in Kubernetes?

What are the core concepts in Kubernetes?

What are the core concepts in Kubernetes? Kubernetes, aka K8s, is the current de facto container orchestration platform providing a …
check Docker container RAM and CPU usage

How to Check Docker Container RAM and CPU Usage

How to check Docker CPU and memory usage? In this tutorial, you will learn how to check Docker container RAM …
Monitor Docker Swarm and Container metrics using Metricbeat

Monitor Docker Swarm and Container metrics using Metricbeat

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

upgrade openshift 4

How to Upgrade OpenShift Cluster: Seamless Steps for Success

check Docker container RAM and CPU usage

How to Check Docker Container RAM and CPU Usage

Step-by-Step Guide on Deploying an Application on Kubernetes Cluster

Step-by-Step Guide on Deploying an Application on Kubernetes Cluster

automate OpenShift Deployments with GitLab CI/CD pipelines

Automate OpenShift Deployments with GitLab CI/CD Pipelines

backup and restore kubernetes etcd cluster

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

kubernetes states: declared vs actual state

Understanding Kubernetes States: Declared vs Observed states Explained

Install Metrics Server on Kubernetes

Install Kubernetes Metrics Server on a Kubernetes Cluster

Deploy ELK Stack 8 Cluster on Docker using Ansible

Deploy ELK Stack 8 Cluster on Docker using Ansible

Kubernetes Ingress Explained

Kubernetes Ingress Explained: How to Manage External Access to Your Services

monitor docker containers using nagios

How to Monitor Docker Containers using Nagios

Gracefully Remove Worker Node from Kubernetes Cluster

Gracefully Remove Worker Node from Kubernetes Cluster

Safely Upgrade Kubeadm Kubernetes Cluster: A Step-by-Step Guide

Safely Upgrade Kubeadm Kubernetes Cluster: A Step-by-Step Guide

StatefulSets in Kubernetes: Everything You Need to Know

StatefulSets in Kubernetes: Everything You Need to Know

kubernetes kubeconfig

What is Kubeconfig File in a Kubernetes Cluster?

Security

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How to Install RKHunter (RootKit Hunter) On Ubuntu 18.04

How to Install Osquery on Ubuntu 18.04

Most Popular

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install and configure snmp on Linux
Monitoring, HowTos, SNMP

Install and Configure SNMP on Debian 10 Buster

Saving Money On Electricity Bills - Tips For Businesses
HowTos

Saving Money On Electricity Bills – Tips For Businesses

Virtualization, VirtualBox

Install VirtualBox Guest Additions on CentOS 8

VPN, HowTos

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

Easily Install and Configure Samba File Server on Ubuntu 20.04
Storage, HowTos

Easily Install and Configure Samba File Server on Ubuntu 20.04

check hardware information on Linux system
Linux Commands

How to Check Hardware information on Linux System

How to Install NSClient Nagios Monitoring Agent on Windows System

Install Bitwarden Password Manager on Ubuntu 22.04

Install WPScan on Ubuntu 20.04

Install and Configure Tripwire Security Monitoring tool on CentOS 8

Introduction to Role-Based Access Control (RBAC) in Kubernetes

Monitor SSL/TLS Certificate Expiry with Prometheus and Grafana

Cyber Security: 6 Reasons Why It Is Crucial for Your Business

Install sysPass Password Manager on Ubuntu 22.04/Ubuntu 20.04

List  of top 10 Tips to Protect your Privacy Online

Why Cybersecurity Investments Are Non-Negotiable for Modern Businesses

How to Enable Secure Shell (SSH) server on OPNsense

Configure OpenVPN Clients to use specific DNS Server

MONITORING

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Install Elasticsearch 7.x on CentOS 7/Fedora 29

koromicha

This guide will take you through how to install Elasticsearch 7.x on CentOS 7/Fedora 29. …

Install and Configure Elastic Auditbeat on Ubuntu 18.04

Jay Decrame

In this guide, we are going to learn how to install and configure Elastic Auditbeat …

logstash elasticsearch authentication

Configure Logstash Elasticsearch Basic Authentication

gen_too

This tutorial will show you how you can easily configure Logstash Elasticsearch Basic authentication. If …

Process and Visualize ModSecurity Logs on ELK Stack

Visualize ClamAV Scan Logs on ELK Stack Kibana

gen_too

In this tutorial, you will learn how to visualize ClamAV scan logs on ELK stack …

install zabbix agent

Install Zabbix Agent on Ubuntu 22.04/Debian 11

koromicha

In this tutorial, you will learn how to easily install Zabbix agent on Ubuntu 22.04/Debian …

nagios rocky

Install Nagios Plugins on Rocky Linux 8

gen_too

This guide will walk you through how to install Nagios Plugins on Rocky Linux 8. …

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 …

nxlog-ce

Configure NXLog to Forward System Logs to Rsyslog Server on Ubuntu

koromicha

In this guide, we are going to learn how to configure NXLog to forward system …

Install Fleet Osquery Manager on Debian 10

Install Fleet Osquery Manager on Rocky Linux

koromicha

In this tutorial, you will learn how to install Fleet osquery manager on Rocky Linux. …

Deploy Nagios NRPE Agents using Ansible

Deploy Nagios NRPE Agents using Ansible

Kifarunix

In this tutorial, you will learn how to deploy Nagios NRPE Agents using Ansible. Ansible …

Install Wazuh Agent on RHEL

How to Install Wazuh Agent on RHEL 8/9/10

In this tutorial, you will learn how to install Wazuh agent on RHEL 8/9/10. Our previous setup was on setting …
Install OSSEC HIDS Agent

How to Install OSSEC Agent on Mac OS

In this guide, we are going to learn how to install OSSEC agent on Mac OS X. Installing OSSEC Agent …
Enable Kibana HTTPS Connection

Quick Way to Enable Kibana HTTPS Connection

In this tutorial, you will learn how to enable Kibana HTTPS connection. HTTPS connections ensures that data is encrypted in …

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 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 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 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, …
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

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 …
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 …
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 …
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 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 …

STORAGE

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How to Encrypt Data at Rest on Ceph Cluster OSD

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

How Install and Configure iSCSI Storage server on CentOS 7

Install ownCloud Desktop Client on CentOS 8

Install ownCloud Server on CentOS 8

How to Install MinIO on Ubuntu 24.04: A Step-by-Step Guide

Easy way to Install ownCloud Desktop Client on Debian 12

Install and Setup GlusterFS on Ubuntu 18.04

VIRTUALIZATION

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Install OPNsense on VirtualBox

How to Install OPNsense on VirtualBox

koromicha

In this tutorial, we are going to learn how to install OPNsense on VirtualBox. OPNsense …

Creating KVM Virtual Machines with Kickstart: A Step-by-Step Guide

Creating KVM Virtual Machines with Kickstart: A Step-by-Step Guide

Kifarunix

In this tutorial, we will walk you through the steps of creating KVM virtual machines …

AutoStart VirtualBox VMs on System Boot on Linux

AutoStart VirtualBox VMs on System Boot on Linux

koromicha

In this guide, we are going to learn how to autostart VirtualBox VMs on system …

install kvm on ubuntu

How to Install KVM on Ubuntu 24.04

Kifarunix

In this tutorial, you will learn how to install KVM on Ubuntu 24.04. KVM (Kernel-based …

Install Rocky Linux 8 on VirtualBox

Install Rocky Linux 8 on VirtualBox

koromicha

Follow through this tutorial to learn how to install Rocky Linux 8 on VirtualBox. According …

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, …

Create and Manage VirtualBox VM Groups

Create and Manage VirtualBox VM Groups

koromicha

In this tutorial, you will learn how to create and manage VirtualBox vm groups. In …

How to Deploy WordPress as a Docker Container

How to Deploy WordPress as a Docker Container

Kifarunix

Can you run WordPress in a Docker container? Yes, follow this tutorial to learn how …

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 …

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 VirtualBox Guest Additions on Ubuntu 20.04

If you have installed Ubuntu 20.04 on VirtualBox, you realize that it is not in fullscreen. In this guide, you …
shrink KVM virtual machine LVM partitioned disk

Easy Way to Decrease/Shrink KVM Virtual Machine Disk Size

In this tutorial, you will learn an easy way to decrease/shrink KVM virtual machine disk size. In most cases, there …
kali linux 2021.3 desktop

Upgrade Kali Linux 2021.3 to 2021.4

Learn how to upgrade Kali Linux 2021.3 to 2021.4. Kali Linux 2021.4 has just been released. According to the release …

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