Security, HowTos, Linux Commands
Lock Linux User Account after Multiple Failed Login Attempts

How to Deploy Apps on OpenShift Using BuildConfig: A Step-by-Step Guide (2025)
Install and Use Docker on Debian 10 Buster

Safely Upgrade Kubeadm Kubernetes Cluster: A Step-by-Step Guide
HowTos, System Manager, Webmin
Install and Use Webmin on Fedora 30

HowTos, DNS
How to Setup BIND DNS Server on Ubuntu 24.04

HowTos, Email
Configure Postfix as Send-Only SMTP Server on Fedora 29

Security, HowTos, modsecurity
Install ModSecurity 3 with Apache in a Docker Container

Storage, HowTos, KVM, LVM, Virtualization
Easy Way to Extend KVM Virtual Machine Disk Size

How to Enable Basic Authentication on ELK Stack
In this tutorial, you will learn how to enable basic authentication on ELK stack. Elastic/ELK …

Install and Configure Logstash 7 on Ubuntu 18/Debian 9.8
This guide will focus on how to install and configure Logstash 7 on Ubuntu 18.04/Debian …

Install Zabbix Agent on Windows Systems
This guide will take you through how to install Zabbix agent on Windows systems. Install …

Delete Specific Records from Elasticsearch Index
This is a simple tutorial on how to search and delete specific records from Elasticsearch …

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

How to Configure SNMP version 3 on Debian 9
This guide is about how to configure SNMP version 3 on Debian 9. There are …

How to Setup Multinode Elasticsearch 9 Cluster
Follow through this tutorial to learn how to setup multinode Elasticsearch 9 cluster. As of …
Install Latest Grafana on CentOS 8
In this guide, we are going to learn how to install latest Grafana on CentOS …
Install Prometheus Node Exporter on CentOS 8
In this guide, you will learn how to install Prometheus Node Exporter on CentOS 8. …

Import Assets to AlienVault USM/OSSIM using a CSV file
In this article, we are going to learn how to import assets to AlienVault USM/OSSIM …

Detect Changes to Critical Files in Linux using Auditbeat and ELK

Install Nagios Plugins From Source RHEL/CentOS/Oracle Linux

How to Install Arkime with Elasticsearch 8 on Ubuntu 24.04

Install Wireshark on Ubuntu 22.04

Useful Facts About Setting Up Mobile Rugged Servers

Easy way to Test Internet Speed on Linux Terminal

Install and use NMCLI tool on Debian Linux

Connect to WiFi in Linux Using NMCLI command

Create Virtual/Secondary IP addresses on an Interface in Linux

Configure Static IP Addresses using Netplan on Ubuntu

Install Latest Wireshark on Ubuntu 18.04

Cisco Catalyst 8000v Edge Stuck on Bootloader upgrade not Necessary

Analyze PCAP Files using Malcolm Network Traffic Analysis tool
Install and Setup OpenVPN Server on Fedora 29/CentOS 7

Set Static Routes via an Interface/IP on CentOS/Ubuntu

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

Install VirtualBox Guest Additions on Ubuntu 24.04
In this guide, you will learn how to install VirtualBox guest additions on Ubuntu 24.04. …
Install VirtualBox Guest Additions on CentOS 8
In our previous guide, we learnt how to Install CentOS 8 on VirtualBox. However, it …

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

Install VirtualBox on Ubuntu 21.04
Ubuntu 21.04 code named, Hirsute Hippo is available for testing as of this writing with …

Install VirtualBox 7 on Debian 12
This guide will take you through how to install VirtualBox 7 on Debian 12. VirtualBox …

Install VirtualBox Guest Additions on Ubuntu 21.04
If you have installed Ubuntu 21.04 on VirtualBox, you realize that it is not in …

Use VirtualBox VMs on KVM
Do you have some VirtualBox virtual machines that you would like to re-use on your …

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

Install Wubuntu Linux on VirtualBox
Follow through this guide to learn how to install Wubuntu Linux on VirtualBox. According to …
Install VirtualBox Guest Additions on CentOS 8

Install Genymotion Android Emulator on Ubuntu 20.04
















