HowTos, Grafana, Monitoring, Prometheus

Monitor OpenVPN Connections with Prometheus and Grafana

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koromicha
Virtualization, HowTos, VirtualBox

Install VirtualBox Guest Additions on Ubuntu 21.04

HowTos

How to Install Programs from Source on Ubuntu 18.04

Storage, HowTos, RAID

Setup Software RAID on Debian 10

HowTos, Monitoring

Install Zabbix Server on Ubuntu 22.04

Containers

More
Understanding OpenShift Security Context Constraints

Control OpenShift Pod Permissions with SCCs and Service Accounts

In this blog post, we will discuss how you can control OpenShift pod permissions with SCCs and service accounts. Have …
Monitor Docker Swarm Service Metrics using Grafana

Monitor Docker Swarm Service Metrics using Grafana

How can I monitor Docker swarm service metrics? In this tutorial, you will learn how to monitor Docker swarm service …
install-and-configure-openshift-odf-ocp

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

In this guide, I’ll walk you through how to install and configure OpenShift Data Foundation on OpenShift, covering everything from …
Introduction to Kubernetes: What is it and why do you need it?

Introduction to Kubernetes: What is it and why do you need it?

Gracefully Remove Worker Node from Kubernetes Cluster

Gracefully Remove Worker Node from Kubernetes Cluster

deploy WordPress using Docker compose

Deploy WordPress using Docker Compose

integrate OpenShift with Active Directory for Authentication

Integrate OpenShift with Active Directory for Authentication

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

nagios docker

Deploy Nagios as a Docker Container

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

Kubernetes Resource Optimization with Vertical Pod Autoscaler (VPA)

how to Install Docker Desktop on Ubuntu

How to Install Docker Desktop on Ubuntu 22.04/Ubuntu 20.04

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

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

OpenBao Kubernetes Auth on OpenShift: Eliminate Static Secrets from Your Workloads

OpenBao Kubernetes Auth on OpenShift: Eliminate Static Secrets from Your Workloads

Provisioning Kubernetes Persistent Volumes with CephFS CSI Driver

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

monitor Docker containers metrics using Grafana

Monitor Docker Containers Metrics using Grafana

How to Deploy WordPress as a Docker Container

How to Deploy WordPress as a Docker Container

How to Configure Centralized Logging in OpenShift with LokiStack and ODF

How to Configure Centralized Logging in OpenShift with LokiStack and ODF

Understanding OpenShift Security Context Constraints

Understanding OpenShift Security Context Constraints: The Complete Guide

Scale OpenShift Data Foundation Storage on Bare Metal

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

Security

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Install Request Tracker on AlmaLinux/Rocky Linux

Process ModSecurity Logs using Wazuh

Install GVM 21.04 on Rocky Linux 8

Most Popular

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Upgrade Debian 11 to Debian 12
HowTos, Linux Commands, OS

Quick Way to Upgrade Debian 11 to Debian 12

Certifications, Cisco CCNA R&S

Is It Possible to Explore Cisco CCNA Routing and Switching Certification via Practice Tests from Examsnap?

Install and Setup Jenkins on Ubuntu 20.04
HowTos

Install and Setup Jenkins on Ubuntu 20.04

Install LibModsecurity with Apache on Debian 10
HowTos

Install LibModsecurity with Apache on Debian 10

Install and Setup LEMP Stack on
HowTos, Database, LEMP Stack, PHP

Install LEMP Stack on Ubuntu 22.04

install and setup ntp server
HowTos, NTP, ntpd

Configure NTP Server using NTPd on Fedora 30

Install and Setup Suricata on Ubuntu 22.04/Ubuntu 20.04

Setup Portainer with SSL Certificates

Replace OpenShift Self-Signed Ingress and API SSL/TLS Certificates with Lets Encrypt

Install ModSecurity 3 with Nginx on Ubuntu 22.04

Integrate sysPass with OpenLDAP for Authentication

How to Install and Setup AlienVault HIDS Agent on a Windows Host

8 Handy Ways You Can Use A VPN In Your Everyday Life

Install TheHive on Ubuntu 22.04/Ubuntu 20.04

Install and Configure Squid Proxy on CentOS 8

Enable SSH 2-Factor Authentication on Ubuntu 18.04

Install and Setup GVM 11 on Ubuntu 20.04

MONITORING

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Installing Linux Dash with Nginx on Ubuntu 18.04 LTS

koromicha

This guides presents a simple way installing Linux Dash with Nginx on Ubuntu 18.04 LTS. …

Install latest Grafana on Debian 10

Install latest Grafana on Debian 10

koromicha

In this tutorial, you will learn how to install latest Grafana on Debian 10. Grafana 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 …

Monitor Squid Access Logs with Graylog Server

koromicha

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

Install and Setup Nagios

How to Install Nagios Server on Ubuntu 24.04

Kifarunix

In this guide, we will provide a step-by-step tutorial on how to install Nagios Server …

Install Monitorix on Ubuntu 20.04

How to Install Monitorix on CentOS 8

koromicha

In this guide, we are going to learn how to install Monitorix on CentOS 8. Monitorix is …

Install Wazuh Manager with ELK on Debian

Install Wazuh Server on Rocky Linux 8/Rocky Linux 9

gen_too

In this tutorial, you will learn how to install Wazuh server on Rocky Linux 8/Rocky …

check Docker container RAM and CPU usage

How to Check Docker Container RAM and CPU Usage

Kifarunix

How to check Docker CPU and memory usage? In this tutorial, you will learn how …

Monitor System Metrics with TICK Stack on Ubuntu 20.04

gen_too

In this tutorial, we are going to learn how to monitor system metrics with TICK …

ntopng

Install ntopng on Rocky Linux 8

gen_too

This guide will take you through how to install ntopng on Rocky Linux 8. ntopng …

velociraptor

Install and Setup Velociraptor on Ubuntu 20.04

Welcome to our tutorial on how to install and setup Velociraptor on Ubuntu 20.04. Velociraptor is an endpoint monitoring open …
install zabbix agent

Install Zabbix Agent on CentOS 7 for Zabbix Monitoring

Learn how to install Zabbix Agent on CentOS 7 for Zabbix monitoring. In our previous guides, we covered the installation …
Install latest Grafana on Debian 10

Install latest Grafana on Debian 10

In this tutorial, you will learn how to install latest Grafana on Debian 10. Grafana is an open source analytics and …

NETWORKING

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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 …
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, …
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 …
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 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 …
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 …

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 …
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 …
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 …
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 …

STORAGE

More

Backup Windows System via SMB Using BackupPC

Easy Way to Extend KVM Virtual Machine Disk Size

Install ownCloud Server on Ubuntu 22.04

Install and Setup BackupPC Server on Ubuntu 20.04

Install ownCloud Desktop Client on Debian 10

Install and Setup Rsyslog Server on Ubuntu 22.04

How to Start Stop or Restart Ceph Services

How to Install Duplicati Backup Client on Ubuntu 22.04

VIRTUALIZATION

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upgrade virtualbox 6.0 6.1

Upgrade VirtualBox 6.0 to 6.1 on Ubuntu Systems

koromicha

With the release of VirtualBox 6.1 and its new major features, you should be planning …

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 …

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 …

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 …

kali linux 2021.3 desktop

Install VirtualBox Guest Additions on Kali Linux 2020.3

koromicha

In order to set your Kali Linux running on VirtualBox in fullscreen mode, you need …

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 …

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 VirtualBox Guest Additions on Fedora 31/32

koromicha

In this guide, we are going to learn how to install VirtualBox Guest Addition 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 …

Install Solaris 11.4 on VirtualBox

Easily Install Solaris 11.4 on VirtualBox

Kifarunix

In this tutorial, you will learn on how to easily install Solaris 11.4 on VirtualBox. …

Install VirtualBox 7 on Debian 12 Desktop

Install VirtualBox 7 on Debian 12

This guide will take you through how to install VirtualBox 7 on Debian 12. VirtualBox is a general-purpose full virtualizer …
Install and Setup Security Onion on VirtualBox

Install and Setup Security Onion on VirtualBox

In this tutorial, you will learn how to install and setup Security Onion on VirtualBox. According to Security Onion page, …
shrink KVM virtual machine LVM partitioned disk

Easy Way to Decrease/Shrink KVM Virtual Machine Disk Size

In this tutorial, you will learn an easy way to decrease/shrink KVM virtual machine disk size. In most cases, there …

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