HowTos, HAProxy, Load Balancers

Configure Highly Available HAProxy with Keepalived on Ubuntu

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koromicha
HowTos

The Silver Linings of Distance Learning

Monitoring, HowTos, Nagios

Install and Configure Nagios Core From Source on Ubuntu 18.04

HowTos, SSH

Configure SSH Public Key Authentication in Linux

HowTos

Website Wonders: 6 Insider Tips to Transform Your Business Online

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 …
deploy HAProxy as a Docker container

Deploy HAProxy as a Docker Container

Follow through this tutorial to learn how to deploy HAProxy as a Docker container. HAProxy “is a free, very fast …
Setup Kubernetes Cluster on Ubuntu

Setup Kubernetes Cluster on Ubuntu 22.04/20.04

How can you setup Kubernetes cluster on Ubuntu? In this tutorial, you will learn how to install and setup Kubernetes …
monitor docker containers using nagios

How to Monitor Docker Containers using Nagios

How to Backup and Restore Applications in OpenShift 4 with OADP (Velero) and ODF

Part 2: How to Backup Applications and Persistent Volumes in OpenShift with OADP

How to Deploy an Application in a Docker Swarm Cluster

How to Deploy an Application in a Docker Swarm Cluster

How to Install Docker Desktop on Kali Linux

How to Install Docker Desktop on Kali Linux

install etcdctl on kubernetes cluster

How to Install etcdctl on Kubernetes Cluster

deploy HAProxy as a Docker container

Deploy HAProxy as a Docker Container

role-based access control in kubernetes

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

Provisioning Kubernetes Persistent Volumes with CephFS CSI Driver

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

Kubernetes Ingress Explained

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

install portainer on Linux

Install Portainer on Ubuntu 22.04

deploy multinode OpenShift cluster using UPI

How to Deploy Multinode OpenShift Cluster Using UPI/User Provisioned Infrastructure

kubernetes drain vs cordon nodes

Kubernetes Nodes Maintenance: Drain vs. Cordon Demystified

install docker ce

Install Docker CE on Ubuntu 20.04

kubernetes secrets

How to Use Secrets in Kubernetes Applications

Install Portainer Extension on Docker Desktop

Install Portainer Extension on Docker Desktop

docker elk

Deploy a Single Node ELK Stack Cluster on Docker Containers

Security

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3 Internet Security Tips for 2022

Setup Secure SSH Access on Linux Servers using Teleport

Install ModSecurity with Apache on Debian 12

Most Popular

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HowTos

Create Kibana Visualization Dashboards for ModSecurity Logs

install wireguard vpn on
Security, HowTos, VPN

Install WireGuard VPN Client Ubuntu 24.04

15 Netflix Hidden Tricks - How To Watch With Friends Using Keyboard Shortcuts in UK
HowTos

15 Netflix Hidden Tricks – How To Watch With Friends Using Keyboard Shortcuts in UK

nxlog-ce
HowTos, Monitoring, Rsyslog, Syslog, Ubuntu 18.04

Configure NXLog to Forward System Logs to Rsyslog Server on Ubuntu

deploy HAProxy as a Docker container
HowTos, Containers, Docker, HAProxy, Load Balancers, Virtualization

Deploy HAProxy as a Docker Container

HowTos, Identity Management, Password Managers, Ubuntu 18.04

Install TeamPass Password Manager on Ubuntu 18.04

Install and Setup Pritunl VPN Server on Debian

Install and Setup VeraCrypt on Rocky Linux

Get the Most Out of Your Penetration Testing Services: Tips and Tricks

Configure Squid Proxy OpenLDAP Authentication on pfSense

Install and Setup Lynis Security Auditing tool on Ubuntu 20.04

Integrate sysPass with OpenLDAP for Authentication

Install and use ClamAV on Ubuntu 20.04

Enable SSH 2-Factor Authentication on Ubuntu 18.04

How to Enable Self-Service Password Reset in Request Tracker (RT)

Install and Setup Squid Proxy on Ubuntu 20.04

Install and Setup OpenVAS 9 Vulnerability Scanner on Ubuntu 18.04

MONITORING

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Install Wazuh Agent on RHEL

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

Kifarunix

In this tutorial, you will learn how to install Wazuh agent on RHEL 8/9/10. Our …

Install and Setup TIG Stack on Fedora 30

koromicha

In this guide, we are going to learn how to install and setup TIG stack …

Install Filebeat 9 on Ubuntu/Debian

Install Filebeat 9 on Ubuntu/Debian

Kifarunix

How can I install Filebeat 9 on Ubuntu/Debian? Well, the installation of Filebeat 9 on …

Enable HTTPS Connection Between Elasticsearch Nodes

Enable HTTPS Connection Between Elasticsearch Nodes

gen_too

In this tutorial, you will learn how to enable HTTPS connection between Elasticsearch nodes. One …

monitor Linux system metrics using Sensu

How to Monitor Linux System Metrics using Sensu

koromicha

In this tutorial, you will learn how to monitor Linux system metrics using Sensu. Sensu is …

Install and Setup Nagios

Install Nagios Server on CentOS 8

koromicha

In this guide, you will learn how to install Nagios Server on CentOS 8. Nagios provides …

Install and Setup TIG Stack on Ubuntu 20.04

gen_too

In this tutorial, we are going to learn how to install and setup TIG Stack …

nxlog-ce

Install and Configure NXLog CE on Ubuntu 20.04

koromicha

In this guide, we are going to learn how to install and configure NXLog CE …

Install Logstash 9 on Ubuntu/Debian

Install Logstash 9 on Ubuntu/Debian

Kifarunix

This guide is about how to install Logstash 9 on Ubuntu/Debian as a continuation of …

Send Windows logs to Elastic Stack using Winlogbeat and Sysmon

Send Windows logs to Elastic Stack using Winlogbeat and Sysmon

koromicha

In this guide, we are going to learn how to send Windows logs to Elastic …

install zabbix agent

Install Zabbix Agent on FreeBSD 12

Learn how to install Zabbix Agent on FreeBSD 12 for Zabbix monitoring. Install and configure Zabbix server on Debian 10 …
fleet

Install and Setup Kolide Fleet on Ubuntu 18.04

In this guide, we are going to learn how to install and Setup Kolide Fleet on Ubuntu 18.04. Kolide Fleet …
kibana

Install ELK Stack on Debian 11

Welcome to our guide on how to install ELK Stack on Debian 11. ELK, currently known as Elastic Stack, is the …

NETWORKING

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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 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 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 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 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 …
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 …
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 …
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 …
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 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 …
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

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Easy Way to Extend KVM Virtual Machine Disk Size

Part 3: How to Restore and Validate Application Backups in OpenShift with OADP

Part 3: Integrate OpenStack with Ceph Storage Cluster

Shrink KVM Virtual Machine LVM Partitioned Disk

How to Deploy Ceph Storage Cluster on Debian 12

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

Install and Configure BackupPC as a Backup Server on Ubuntu 18.04

Install ownCloud Desktop Client on Ubuntu 20.04

VIRTUALIZATION

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how to automate virtual machine installation on VirtualBox

Automate Virtual Machine Installation on VirtualBox

koromicha

In this tutorial, you will learn how to automate virtual machine installation on VirtualBox. Many …

Install VirtualBox Guest Additions on Rocky Linux 9

Install VirtualBox Guest Additions on Rocky Linux 9

koromicha

Follow through this tutorial to learn how to install VirtualBox guest additions on Rocky Linux …

install portainer on Linux

Install Portainer on Ubuntu 22.04

koromicha

In this tutorial, you will learn how to install Portainer on Ubuntu 22.04. Portainer is a …

clone kvm virtual machines

How to Clone KVM Virtual Machines

koromicha

What is the quick and easy way to clone KVM virtual machines? In this guide, …

perform unattended VM installation on VirtualBox 7

Perform Unattended VM Installation on VirtualBox 7

Kifarunix

What is VirtualBox unattended installation? Follow through this tutorial to learn how to perform unattended …

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 …

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 …

wubuntu

Install Wubuntu Linux on VirtualBox

Kifarunix

Follow through this guide to learn how to install Wubuntu Linux on VirtualBox. According to …

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 …

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 …

Install KVM on Debian 12

Install KVM on Debian 12

In this tutorial, you will learn how to install KVM on Debian 12. KVM, an acronym for Kernel-based Virtual Machine, …
Creating KVM Virtual Machines with Kickstart: A Step-by-Step Guide

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

In this tutorial, we will walk you through the steps of creating KVM virtual machines with Kickstart. If you are …

Resize Root Partition of VirtualBox VM Snapshot

You are running a virtual machine on a VirtualBox with multiple snapshots and you want to resize the root partition …

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