HowTos

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HowTos, BIND, DNS

Setup Master-Slave DNS Server using BIND on CentOS 7

HowTos

Tips for Crafting a Winning Loan Application for Startups

Security, HowTos

Website Security Testing: What Is It and Why Is It Important?

HowTos

Top Tips While Doing Your UNIX Homework

Containers

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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 …
Configure CloudBees CI High Availability for Managed Controllers on OpenShift

How to Configure CloudBees CI High Availability for Managed Controllers on OpenShift

If you are about to create your first CloudBees CI managed controller on OpenShift and plan to “turn on HA …
Backup and Restore etcd in OpenShift 4 with Automated Scheduling & S3 Storage Integration

Backup and Restore etcd in OpenShift 4 with Automated Scheduling & S3 Storage Integration

In this blog post, we will walk through how to backup and restore etcd in OpenShift 4, including setting up …
Monitor Docker Swarm and Container metrics using Metricbeat

Monitor Docker Swarm and Container metrics using Metricbeat

Kubernetes Kustomize 101: Introduction and Basics

Kubernetes Kustomize 101: Introduction and Basics

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

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

monitor Docker containers metrics using Grafana

Monitor Docker Containers Metrics using Grafana

kubernetes kubeconfig

What is Kubeconfig File in a Kubernetes Cluster?

kubernetes drain vs cordon nodes

Kubernetes Nodes Maintenance: Drain vs. Cordon Demystified

How to Deploy Single Node OpenShift (SNO) Using the Agent-Based Installer on KVM

Deploy Single Node OpenShift (SNO) on KVM: Agent-Based Installer Guide

Provisioning Kubernetes Persistent Volumes with CephFS CSI Driver

Step-by-Step: Provisioning Kubernetes Persistent Volumes with CephFS CSI Driver

How to Deploy WordPress as a Docker Container

How to Deploy WordPress as a Docker Container

How to Install Docker Resource Usage Extension

How to Install Docker Resource Usage Extension

kubernetes states: declared vs actual state

Understanding Kubernetes States: Declared vs Observed states Explained

monitor docker containers using nagios

How to Monitor Docker Containers using Nagios

Creating Users in Kubernetes

Kubernetes User Management: Creating Users, Groups and Service Accounts

Mastering Kubernetes Autoscaling: Horizontal vs Vertical Scaling

Mastering Kubernetes Autoscaling: Horizontal vs Vertical Scaling

Setup Three Node Docker Swarm Cluster on Ubuntu

How to Setup Three Node Docker Swarm Cluster on Ubuntu 22.04

Setup Portainer with SSL Certificates

Setup Portainer with SSL Certificates

Security

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Configure Filebeat-Elasticsearch Authentication

How to Monitor OpenVPN Connections using openvpn-monitor tool

What You Can Do to Get Work as a Security Guard

Most Popular

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What You Can Do to Get Work as a Security Guard
HowTos, Security

What You Can Do to Get Work as a Security Guard

yarn
HowTos

Install Yarn on Debian 11

Install Elastic Stack 7 on Ubuntu
Monitoring, Elastic Stack

Install Elasticsearch 7.x on Ubuntu 18.04/Debian 9.8

install-and-configure-openshift-odf-ocp
Containers, Ceph, HowTos, Kubernetes, OpenShift, Storage

How to Install and Configure OpenShift Data Foundation on OpenShift 4.20: Step-by-Step Guide [2026]

When It Comes to Security Don’t Overlook Your Linux Systems
HowTos, Security, VPN

When It Comes to Security, Don’t Overlook Your Linux Systems

Install and Configure Libreswan VPN Client on Ubuntu/Debian
HowTos, Security, VPN

Install and Configure Libreswan VPN Client on Ubuntu/Debian

Import Assets to AlienVault USM/OSSIM using a CSV file

Install ModSecurity with Apache on Ubuntu 22.04

How to Install OSSEC Agent on Solaris 11.4

Install and Setup Squid Proxy on Debian 11/10

How to Install RKHunter (RootKit Hunter) On Ubuntu 18.04

Understanding OpenShift Security Context Constraints: The Complete Guide

Install ModSecurity 3 with Apache in a Docker Container

Configure SSH Local Port Forwarding in Linux

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

Exploring the World of Residential Proxy Networks

Common Mistakes When Using A White Paper Example

How to Recover Deleted Data on a Linux System

MONITORING

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fleet

Install and Enroll Elastic Agents to Fleet Manager in Linux

gen_too

This tutorial will take you through how you can install and enroll Elastic agents to …

Process ModSecurity Logs using Wazuh

Process ModSecurity Logs using Wazuh

gen_too

This guide will take you through how to process ModSecurity logs using Wazuh. ModSecurity WAF …

Setup Multi-node Elasticsearch Cluster

How to Setup Multinode Elasticsearch 9 Cluster

Kifarunix

Follow through this tutorial to learn how to setup multinode Elasticsearch 9 cluster. As of …

Configure Log Retention Period in ELK Stack

Configure Log Retention Period in ELK Stack

koromicha

How do I change the log retention policy in elk stack? In this tutorial, you …

Install ELK Stack 9.x on Ubuntu 24.04

Install ELK Stack 9.x on Ubuntu 24.04

Kifarunix

In this tutorial, you will learn how to install ELK stack 9.x on Ubuntu 24.04. …

Process and Visualize ModSecurity Logs on ELK Stack

Process and Visualize ModSecurity Logs on ELK Stack

gen_too

In this tutorial, you will learn how to process and visualize ModSecurity Logs on ELK …

wazuh vt

Detecting Malicious Files with Wazuh and VirusTotal

gen_too

In this tutorial, you will learn on detecting malicious files with Wazuh and VirusTotal. Wazuh …

install sensu agent ubuntu/debian

Install Sensu Agent on Rocky Linux

koromicha

This guide will take you through how to install Sensu agent on Rocky Linux systems. …

Configure Filebeat 8 to Write Logs to Specific Index

Configure Filebeat 8 to Write Logs to Specific Index

Kifarunix

This guide will take you through how to configure Filebeat 8 to write logs to …

Install and Configure Zabbix

Install Zabbix Server on Rocky Linux

koromicha

In this guide, we are going to learn how to install Zabbix server on Rocky …

Logstash: Write Specific Events to Specific Index

Logstash: Write Specific Events to Specific Index

In this blog post, you will learn how to write specific events to specific index using Logstash. Logstash is a …
Configure Kibana Dashboards/Visualizations to use Custom Index

Configure Kibana Dashboards/Visualizations to use Custom Index

In this guide, we will walk you through easy steps to configure Kibana dashboards/visualizations to use custom index. Elastic Beats …
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, …

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 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 …
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 …
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 …
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 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 …
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 …
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 …
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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Part 1: Integrate OpenStack with Ceph Storage Cluster

Install and Configure BackupPC as a Backup Server on Ubuntu 18.04

How to Configure NFS Server on Ubuntu 18.04

Install ownCloud Server on Debian 11

How to Reduce or Shrink Physical Volume in Linux

Setup Software RAID on Debian 10

Deploy Ceph Storage Cluster in Kubernetes using Rook

Create LVM Logical Volumes in Linux

VIRTUALIZATION

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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 …

kali linux 2021.3 desktop

Install Kali Linux 2020.3 on VirtualBox

koromicha

In this tutorial, you will learn how to install Kali Linux 2020.3 on VirtualBox. Kali …

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 …

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 …

How to Install FreeBSD 12 on VirtualBox

koromicha

Hello there, welcome to our guide on how to install FreeBSD 12 on VirtualBox. FreeBSD …

Easily Access Shared Folder on Linux VirtualBox VM

Easily Access Shared Folder on Linux VirtualBox VM

koromicha

In this tutorial, you will learn how to setup and easily access shared folder on …

Start and Stop KVM Virtual Machines from Command Line

Start and Stop KVM Virtual Machines from Command Line

koromicha

This guide will take you through how to start and stop KVM virtual machines from …

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 …

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 …

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 Rocky Linux 8 on VirtualBox

Install Rocky Linux 8 on VirtualBox

Follow through this tutorial to learn how to install Rocky Linux 8 on VirtualBox. According to rockylinux.org, Rocky Linux is …
kali linux 2021.3 desktop

Install VirtualBox Guest Additions on Kali Linux 2021.3

In this tutorial, you will learn how to install VirtualBox guest additions on Kali Linux 2021.3. Guest additions offers many …
Install IBM QRadar Community Edition SIEM on VirtualBox

How to Install IBM QRadar Community Edition SIEM on VirtualBox

In this tutorial, we are going to learn how to install IBM QRadar Community Edition SIEM on VirtualBox. We will be …

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