HowTos

How to Use Cloud-Based APIs for File Uploading and File Hosting

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Jay Decrame
Apache, Web Servers

Install Apache with Self-signed Certificate on FreeBSD 12

HowTos, DHCP Server

Install and Setup DHCP Server on CentOS 8

Directory Server, HowTos, OpenLDAP

Setup OpenLDAP Server with SSL/TLS on Debian 10

FreeBSD, HowTos, OS

Upgrade FreeBSD 12 to 13

Containers

More
Quickly Install MySQL 8 on Debian 12

Quickly Install MySQL 8 on Debian 12

This guide provides a step-wise tutorial on how to quickly install MySQL 8 on Debian 12. MySQL is a fast, stable and …
Extend OpenShift CoreOS /sysroot Root Filesystem

Extend OpenShift CoreOS /sysroot Root Filesystem

In this tutorial, you will learn on how to extend OpenShift CoreOS /sysroot root filesystem. Extending the OpenShift CoreOS /sysroot …
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

In this blog post, I will walk you through how to implement multi-tenancy on OpenShift using project templates, ResourceQuotas, and …
How to Configure Production-Ready Monitoring in OpenShift: Prometheus, Alertmanager & Persistent Storage

How to Configure Production-Ready Monitoring in OpenShift: Prometheus, Alertmanager & Persistent Storage

Setup Three Node Docker Swarm Cluster on Ubuntu

How to Setup Three Node Docker Swarm Cluster on Ubuntu 22.04

Deploy ELK Stack 8 Cluster on Docker using Ansible

Deploy ELK Stack 8 Cluster on Docker using Ansible

docker elk

Deploy a Single Node ELK Stack Cluster on Docker Containers

backup and restore kubernetes etcd cluster

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

kubernetes secrets

How to Use Secrets in Kubernetes Applications

Deploy All-In-One OpenStack with Kolla-Ansible on Ubuntu 22.04

Deploy All-in-One OpenStack with Kolla-Ansible on Ubuntu 22.04

Install Helm on Kubernetes Cluster

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

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

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

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

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

Understanding Deployments in Kubernetes: A Comprehensive Guide

Understanding Deployments in Kubernetes: A Comprehensive Guide

External Secrets Operator with OpenBao on OpenShift: No Sidecars, No Code Changes

External Secrets Operator with OpenBao on OpenShift: No Sidecars, No Code Changes

Deploy Ceph Storage Cluster in Kubernetes using Rook

Deploy Ceph Storage Cluster in Kubernetes using Rook

Monitor Docker Swarm Node Metrics using Grafana

Monitor Docker Swarm Node Metrics using Grafana

Configure HTPasswd Identity Provider in OpenShift 4.x

Step-by-Step Guide: How to Configure HTPasswd Identity Provider in OpenShift 4.x

using configmaps in kubernetes

Step-by-Step Guide to Using ConfigMaps in Kubernetes

Security

More

Setup Multinode Elasticsearch 8.x Cluster

Install Fleet Osquery Manager on Oracle Linux

Windows Server Security Essentials from Experienced System Administrators

Most Popular

More
Install and Setup PowerDNS Admin on Ubuntu 22.04
HowTos, DNS, PowerDNS

Install and Setup PowerDNS Admin on Ubuntu 22.04

install clamav
Security, Antivirus, HowTos

How to Install and Use ClamAV Antivirus on Ubuntu 18.04

Hide your network and prevent unauthorized connections
HowTos

Hide your Network and Prevent Unauthorized Connections

php8.0
HowTos, PHP

Install PHP 8.0/8.1/8.2/8.x on Debian 11

deploy WordPress using Docker compose
Containers, Docker, HowTos, Security, SSL/TLS, WordPress

Deploy WordPress using Docker Compose

Bug Tracker, HowTos

Install Mantis Bug Tracker on Ubuntu 20.04

How to Install and Use VeraCrypt to Encrypt Drives on Ubuntu

Install Malcolm Network Traffic Analysis Tool on Ubuntu 22.04

How to Install NSClient Nagios Monitoring Agent on Windows System

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

How to Fix QRadar CE failing Gluster 3.8 repos on CentOS-7.3

Install and Configure AIDE on Ubuntu 18.04

Install and use ClamAV on Ubuntu 20.04

Install Passbolt on Debian 12

How to Enable HTTPS for Request Tracker on Linux

Install and Use Nikto Web Scanner on Ubuntu 18.04

How to Install and Use WPScan WordPress Vulnerability Scanner Ubuntu 18.04

Enable SSH 2-Factor Authentication on Ubuntu 18.04

MONITORING

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How to Monitor Remote Linux Hosts and Services with Icinga 2 on Ubuntu 18.04

koromicha

In this very tutorial, you are going learn how to monitor hosts and services with …

Install Osquery on Linux

Install Osquery on Debian 10 Buster

koromicha

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

install arkime on linux

How to Install Arkime with Elasticsearch 8 on Ubuntu 24.04

Kifarunix

This tutorial provides a step by step guide on how to install Arkime with Elasticsearch …

Install Osquery on Ubuntu 20.04

Enroll Osquery Hosts on Fleet Manager

koromicha

In this tutorial, you will learn how to add or enroll Osquery hosts on Fleet …

How to Monitor OpenVPN Connections using openvpn-monitor tool

gen_too

In this tutorial, we are going to learn how to monitor OpenVPN connections using openvpn-monitor …

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 …

install and configure snmp on Linux

Install and Configure SNMP on CentOS 8

gen_too

Welcome to our guide on how to install and configure SNMP on CentOS 8. SNMP …

Install Wazuh SIEM Server on RHEL 9/RHEL 10

How to Install Wazuh SIEM Server on RHEL 9/RHEL 10

Kifarunix

In this tutorial, you will learn how to install Wazuh SIEM server on RHEL 9/RHEL …

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. …

Logstash: Write Specific Events to Specific Index

Logstash: Write Specific Events to Specific Index

koromicha

In this blog post, you will learn how to write specific events to specific index …

Install Wazuh Agents on Ubuntu/Debian

Easy Way to Install Wazuh Agents on Ubuntu/Debian

In this tutorial, you will learn how to install Wazuh agents on Ubuntu/Debian systems. Wazuh operates in server-client architecture. It …
Configure Filebeat 8 to Write Logs to Specific Index

Configure Filebeat 8 to Write Logs to Specific Index

This guide will take you through how to configure Filebeat 8 to write logs to specific index. Are you collecting …
velociraptor

Install Velociraptor Client on Linux and Windows Systems

In this tutorial, you will learn how to install Velociraptor Client on Linux and Windows Systems. Velociraptor endpoint agents are …

NETWORKING

More
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 …
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

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 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 …
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 …
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 …
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, …
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 …

STORAGE

More

Install and Configure NFS Server on Rocky Linux 8

Install and Setup Ceph Storage Cluster on Ubuntu 22.04

Install and Setup Ceph Storage Cluster on Ubuntu 20.04

How to Deploy Ceph Storage Cluster on AlmaLinux

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

Configure OpenShift 4 Image Registry Persistent Storage with ODF: 2026 Step-by-Step Guide

How to Access Samba Share on Linux and Windows Systems

Part 3: Integrate OpenStack with Ceph Storage Cluster

VIRTUALIZATION

More
deploy HAProxy as a Docker container

Deploy HAProxy as a Docker Container

gen_too

Follow through this tutorial to learn how to deploy HAProxy as a Docker container. HAProxy …

install portainer on Linux

Install Portainer on Rocky Linux

koromicha

In this tutorial, you will learn how to install Portainer on Rocky Linux. Portainer is a …

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 …

How to Clone a Virtual Machine on VMware ESXi

koromicha

Having trouble with cloning a virtual machine in VMware ESXi? Worry no more. This guide …

Install Rocky Linux 9 on VirtualBox

Install Rocky Linux 9 on VirtualBox

koromicha

In this tutorial, you will learn on how to easily install Rocky Linux 9 on …

genymotion login

Install Genymotion Android Emulator on Ubuntu 20.04

gen_too

Follow through this guide to learn how to install Genymotion Android emulator on Ubuntu 20.04. …

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 …

Use VirtualBox VMs on KVM

Use VirtualBox VMs on KVM

koromicha

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

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 …

Change Windows Boot Device from IDE to Virtio on KVM

Change Windows Boot Device from IDE to Virtio on KVM

koromicha

In this tutorial, you will learn how to change Windows boot device from IDE to …

Change Windows Boot Device from IDE to Virtio on KVM

Change Windows Boot Device from IDE to Virtio on KVM

In this tutorial, you will learn how to change Windows boot device from IDE to Virtio on KVM. IDE and …
install portainer on Linux

Install Portainer on Debian 11/Debian 10

In this tutorial, you will learn how to install Portainer on Debian 11/Debian 10. Portainer is a self-service container service delivery …

Install Debian 10 Buster on VirtualBox

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

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