HowTos

Install PostgreSQL 13 on Debian 11

BY
gen_too
DNS, HowTos, PowerDNS

Easily Install and Setup PowerDNS Admin on Ubuntu 20.04

HowTos, Remote Desktop, tomcat

How to Install and Setup Guacamole on Debian 9.8

HowTos

Install and Setup ZSH and Oh-My-Zsh on Fedora 32

HowTos, Monitoring, Rsyslog, Syslog

Install and Configure NXLog CE on Ubuntu 20.04

Containers

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deploy WordPress using Docker compose

Deploy WordPress using Docker Compose

In this tutorial, you will learn how to deploy WordPress using Docker compose. In an ever-evolving digital landscape, where websites …
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 …
How to Deploy an Application in a Docker Swarm Cluster

How to Deploy an Application in a Docker Swarm Cluster

How do I deploy an application to a swarm cluster? In this tutorial, you will learn how to deploy an …
how to Install Docker Desktop on Ubuntu

How to Install Docker Desktop on Ubuntu 22.04/Ubuntu 20.04

How to Deploy WordPress as a Docker Container

How to Deploy WordPress as a Docker Container

install portainer on Linux

Install Portainer on Rocky Linux

upgrade openshift 4

How to Upgrade OpenShift Cluster: Seamless Steps for Success

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

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

Scale OpenShift Data Foundation Storage on Bare Metal

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

Forward OpenShift Logs to Multiple Destinations Using ClusterLogForwarder (Elasticsearch & S3)

Forward OpenShift Logs to Multiple Destinations Using ClusterLogForwarder (Elasticsearch & S3)

Provisioning Kubernetes Persistent Volumes with CephFS CSI Driver

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

check Docker container RAM and CPU usage

How to Check Docker Container RAM and CPU Usage

automate tasks in OpenShift with Kubernetes jobs and cron jobs

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

Understanding OpenShift Security Context Constraints

Understanding OpenShift Security Context Constraints: The Complete Guide

Deploy Multi-Node OpenStack using Kolla-Ansible

Deploy Multinode OpenStack using Kolla-Ansible

How to Implement Multi-Tenancy on OpenShift Using Project Templates, ResourceQuotas, and LimitRanges

How to Implement Multi-Tenancy on OpenShift Using Project Templates, ResourceQuotas, and LimitRanges

How to Install Docker on Ubuntu 24.04

How to Install Docker on Ubuntu 24.04

monitor docker containers using nagios

How to Monitor Docker Containers using Nagios

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

Security

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Configure LibModsecurity with Apache on CentOS 8

Enable SSH 2-Factor Authentication on Ubuntu 18.04

Step-by-Step Guide to Install and Setup OpenVPN Server on Debian 12

Most Popular

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HowTos, Linux Commands, vim

Delete Lines Matching Specific Pattern in a File using VIM

Install and Set Up Active Directory on Windows Server 2025 with LDAPS
HowTos, Directory Server

Install and Set Up Active Directory on Windows Server 2025 with LDAPS

Containers, Docker

Install and Use Docker on Debian 10 Buster

Kids Coding Games: How Is It Beneficial?
HowTos

Kids Coding Games: How Is It Beneficial?

How to Scan a Remote Host using Nessus Vulnerability Scanner
Security, Nessus, Vulnerability Scanners

How to Scan a Remote Host using Nessus Vulnerability Scanner

intercept file upload modsec clamav
Security, HowTos, modsecurity

Intercept Malicious File Upload with ModSecurity and ClamAV

How to Install NSClient Nagios Monitoring Agent on Windows System

Fix AlienVault HIDS Events Displaying 0.0.0.0 as IP Address

Install Osquery on Ubuntu 20.04

Install and Setup Velociraptor on Ubuntu 20.04

How to Install OPNsense on VirtualBox

Install VeraCrypt on Debian 11

How to Install OSSEC Agent on Mac OS

Install SpiderFoot on Ubuntu 20.04

Protecting Your Privacy: How VPNs Safeguard Your Online Presence

Install and Configure OpenVPN Client on Rocky Linux 8

Basic Operation of Firewalld in Linux

Install and Configure Wazuh Manager on Ubuntu 22.04

MONITORING

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Install and Configure Zabbix

Add Hosts to Zabbix Server for Monitoring

koromicha

This guide will take you through how you can be able to add hosts to …

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. …

Install and Configure Zabbix

Install Zabbix 4.x from Sources on Debian 10 Buster

koromicha

Welcome again to our yet another guide on how to install Zabbix 4.x from sources …

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 Grafana on Ubuntu

Install Grafana on Ubuntu 22.04/20.04/18.04

koromicha

In this guide, we are going to learn how to install Grafana on Ubuntu 22.04/20.04/18.04 …

install zabbix agent

Install Zabbix Agent on CentOS 7 for Zabbix Monitoring

koromicha

Learn how to install Zabbix Agent on CentOS 7 for Zabbix monitoring. In our previous …

Forward Apache Logs to Central Log Server with Rsyslog

Forward Apache Logs to Central Log Server with Rsyslog

gen_too

In this tutorial, you will learn how to forward Apache logs to central log server …

Monitor Squid Access Logs with Graylog Server

koromicha

Welcome to our tutorial on how to monitor squid access logs with Graylog server. Graylog is …

integrate Suricata with Wazuh for log processing

Integrate Suricata with Wazuh for Log Processing

gen_too

Follow through this tutorial to learn how to integrate Suricata with Wazuh for log processing. …

Install latest Graylog on CentOS 7

koromicha

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

integrate Suricata with Wazuh for log processing

Integrate Suricata with Wazuh for Log Processing

Follow through this tutorial to learn how to integrate Suricata with Wazuh for log processing. With its ability to write …
Configure Nagios Availability Monitoring on AlienVault

Configure Availability Monitoring on AlienVault USM/OSSIM using Nagios

In this guide, we are going to learn how to configure availability Monitoring on AlienVault USM/OSSIM using Nagios. AlienVault OSSIM …
Install and Configure Zabbix

Install and Configure Zabbix 4.0 from Source on Fedora 29/Fedora 28/CentOS 7

In this guide, we are going to learn how to install and configure Zabbix 4.0 from source on Fedora 29/Fedora …

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 …
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 …

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 …
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, …
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 …
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

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 …
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 …
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 …
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 …

STORAGE

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Deploy Ceph Storage Cluster in Kubernetes using Rook

How to Setup Ceph Admin Node in High Availability

Install ownCloud Server on CentOS 8

Configure and Use Ceph Block Device on Linux Clients

How to Install and Configure iSCSI Storage Server on Ubuntu 18.04

How to Install BackupPC on Debian 12

How to Configure NFS Server on Ubuntu 18.04

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

VIRTUALIZATION

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Resize Root Partition of VirtualBox VM Snapshot

koromicha

You are running a virtual machine on a VirtualBox with multiple snapshots and you want …

Install VirtualBox on Ubuntu 21.04

Install VirtualBox on Ubuntu 21.04

koromicha

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

install ubuntu 25.04 on virtualbox

How to Install Ubuntu 25.04 on VirtualBox: A Step-by-Step Guide

Kifarunix

Wondering how to install Ubuntu 25.04 on VirtualBox? Ubuntu 25.04, codenamed “Plucky Puffin,” is the …

Install VirtualBox Guest Additions on Linux Mint 21

Install VirtualBox Guest Additions on Linux Mint 21

Kifarunix

Follow through this tutorial to learn how you can easily install VirtualBox guest additions on …

Easy Way to Extend KVM Virtual Machine Disk Size

Easy Way to Extend KVM Virtual Machine Disk Size

kaptotonindet

This is a simple tutorial on an easy way to extend KVM virtual machine disk …

Setup Three Node Docker Swarm Cluster on Ubuntu

How to Setup Three Node Docker Swarm Cluster on Ubuntu 22.04

Kifarunix

How can I setup a Docker swarm? In this tutorial, you will learn how to …

kali linux 2021.3 desktop

Easily Install Kali Linux 2021.3 on VirtualBox

gen_too

In this tutorial, you will learn how to install Kali Linux 2021.3 on VirtualBox. Kali Linux is …

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 on Debian 11 Desktop

gen_too

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

kali linux 2021.3 desktop

Install VirtualBox Guest Additions on Kali Linux 2021.3

gen_too

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

bullseye 11

Install Debian 11 on VirtualBox

Follow through this tutorial to learn how to install Debian 11 on VirtualBox. The Debian project is proud to present …
Easy Way to Extend KVM Virtual Machine Disk Size

Easy Way to Extend KVM Virtual Machine Disk Size

This is a simple tutorial on an easy way to extend KVM virtual machine disk size. Disk usage in a …
Install Fedora CoreOS on KVM Using an ISO File

Install Fedora CoreOS on KVM Using an ISO File: A Step-by-Step Guide

In this tutorial, you will learn how to install Fedora CoreOS on KVM using an ISO file. Fedora CoreOS is a minimal, …

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