Grafana, Graylog, HowTos, Monitoring

Install latest Graylog on CentOS 7

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koromicha
HowTos

How to Choose a Reliable and Fast Web Hosting Provider Perfect for Your Business

Containers, HowTos, Kubernetes

What is Kubeconfig File in a Kubernetes Cluster?

Monitoring, Grafana

Install latest Grafana on Debian 10

Monitoring, HowTos, Nagios, SNMP

Nagios SNMP Monitoring of Linux Hosts on AlienVault USM/OSSIM

Containers

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Deploy Ceph Storage Cluster in Kubernetes using Rook

Deploy Ceph Storage Cluster in Kubernetes using Rook

In this tutorial, you will learn how to deploy Ceph storage cluster in Kubernetes using Rook. Rook is an open-source …
openstack on ubuntu 24.04

Install OpenStack on Ubuntu 24.04 using Kolla Ansible

The guide originally included modifications to the Kolla Ansible playbooks to enable deployment of OpenStack on Ubuntu 24.04 LTS. However, …
Replace OpenShift Self-Signed Ingress and API SSL/TLS Certificates with Lets Encrypt

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

In this tutorial, you will learn how to replace OpenShift self-signed Ingress and API SSL/TLS certificates with Lets Encrypt. When …
Introduction to Kubernetes: What is it and why do you need it?

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

Setup Portainer with SSL Certificates

Setup Portainer with SSL Certificates

Deploy ELK Stack 8 Cluster on Docker using Ansible

Deploy ELK Stack 8 Cluster on Docker using Ansible

how to Install Docker Desktop on Ubuntu

How to Install Docker Desktop on Ubuntu 22.04/Ubuntu 20.04

Automate OpenShift Builds with Git Webhooks

How to Automate OpenShift Builds with Git Webhooks: Step-by-Step Guide

Understanding OpenShift Security Context Constraints

Understanding OpenShift Security Context Constraints: The Complete Guide

Assign Roles to Users and Groups in Kubernetes Cluster

Assign Roles to Users and Groups in Kubernetes Cluster

install docker ce

Install Docker on Rocky Linux 8|9

Creating Users in Kubernetes

Kubernetes User Management: Creating Users, Groups and Service Accounts

Enable User Workload Monitoring in OpenShift 4.20

How to Enable User Workload Monitoring in OpenShift 4.20: Let Developers Monitor Their Apps

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

Kubernetes cluster high availability

Setup Highly Available Kubernetes Cluster with Haproxy and Keepalived

role-based access control in kubernetes

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

Serverless Computing with Linux on AWS Lambda

Serverless Computing with Linux on AWS Lambda

kubernetes kubeconfig

What is Kubeconfig File in a Kubernetes Cluster?

automate tasks in OpenShift with Kubernetes jobs and cron jobs

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

Security

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Encrypt Emails using Enigmail on Thunderbird

Configure Site-to-Site IPSec VPN on pfSense and Libreswan

Install Wazuh SIEM Server on Ubuntu 24.04

Most Popular

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

Deploy HAProxy as a Docker Container

postgresql
HowTos

Install PostgreSQL 13 on Debian 11

Windows server security essentials from experienced system administrators
HowTos, Security

Windows Server Security Essentials from Experienced System Administrators

Monitor SSL/TLS Certificate Expiry with Prometheus and Grafana
Monitoring, Grafana, HowTos, Security, SSL/TLS, Telegraf, TICK Stack

Monitor SSL/TLS Certificate Expiry with Prometheus and Grafana

Creative Paper Cheap Writing Assistance
HowTos

Creative Paper Cheap Writing Assistance

3 Challenges to Wake Up Creativity For Your Business
HowTos

3 Challenges to Wake Up Creativity For Your Business

Deploy WordPress using Docker Compose

Monitor SSL/TLS Certificate Expiry with Prometheus and Grafana

Install ClamAV on Debian 11

Install and Setup Velociraptor on Ubuntu 20.04

Install and use ClamAV on Ubuntu 20.04

How to Protect SSH Server Authentication with Fail2ban Ubuntu 18.04

Install MISP on Ubuntu 24.04/Ubuntu 22.04/Ubuntu 20.04

3 Internet Security Tips for 2022

Install WireGuard VPN Server on Ubuntu 24.04

Cybersecurity for Your Business: What Is the Importance of Implementing It

Easily Integrate Linux Malware Detect with ClamAV

Automount LUKS Encrypted Device in Linux

MONITORING

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Install Filebeat on FreeBSD

Install Filebeat on FreeBSD

koromicha

Follow through this guide to learn how to install Filebeat on FreeBSD. Installing Filebeat on …

Install and Configure Nagios Core From Source on Ubuntu 18.04

Install and Configure Nagios Core From Source on Ubuntu 18.04

koromicha

In this tutorial we are going to learn how to install and Configure Nagios Core …

How to Integrate ELK Stack with TheHive

How to Integrate ELK Stack with TheHive

gen_too

In this tutorial, we are going to learn how to integrate ELK stack with TheHive. …

filebeat

How to run Multiple Filebeat Instances in Linux

gen_too

In this tutorial, you will learn how to run multiple filebeat instances in Linux system. …

fleet

Install and Enroll Elastic Agents to Fleet Manager in Linux

gen_too

This tutorial will take you through how you can install and enroll Elastic agents to …

Setup Multi-node Elasticsearch Cluster

Setup Multinode Elasticsearch 8.x Cluster

gen_too

Follow through this tutorial to learn how to setup multinode Elasticsearch 8.x cluster. As of …

Monitor Docker Swarm Node Metrics using Grafana

Monitor Docker Swarm Node Metrics using Grafana

Kifarunix

How can I monitor Docker swarm node metrics? In this tutorial, you will learn how …

Install OSSEC HIDS Agent

How to Install OSSEC Agent on Mac OS

koromicha

In this guide, we are going to learn how to install OSSEC agent on Mac …

wazuh agents

Install Wazuh Agent on Rocky Linux 8

gen_too

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

Install latest Graylog on CentOS 7

koromicha

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

Configure Grafana Email Alerting

Configure Grafana Email Alerting

In this tutorial, you will learn how to configure Grafana Email alerting. Grafana alerting allows you to attach rules to …

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

In this very tutorial, you are going learn how to monitor hosts and services with Icinga 2 on Ubuntu 18.04 …

Install latest Graylog on CentOS 7

Follow through this guide to learn how to install latest Graylog on CentOS 7. Graylog is a leading open-source log management tool …

NETWORKING

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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 …
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 …
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 …
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 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 …
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 …
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 …
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, …

STORAGE

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Extend OpenShift CoreOS /sysroot Root Filesystem

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

Setup Three Node Ceph Storage Cluster on Ubuntu 18.04

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

How to Upgrade ownCloud 9 to ownCloud 10 on Ubuntu 16.04

How to Install MinIO Object Storage Server on RHEL 9

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

Setup Software RAID on Rocky Linux 8

VIRTUALIZATION

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Create and Upload Custom Linux Image into OpenStack

Create and Upload Custom Linux Image into OpenStack

koromicha

In this tutorial, you will learn how to create and upload custom Linux image into …

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

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

Kifarunix

In this guide, you will to learn how to deploy all-in-one OpenStack with Kolla-Ansible on …

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 …

How to Upload ISO File to VMware ESXi Datastore using vSphere Client

koromicha

Hello there, welcome to this tutorial on how to upload an ISO file to VMware …

Install Debian 12 on VirtualBox

Install Debian 12 on VirtualBox

Kifarunix

Follow through this tutorial to learn how to install Debian 12 on VirtualBox. The Debian …

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 Rocky Linux 8

Install VirtualBox Guest Additions on Rocky Linux 8

koromicha

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

How to Upgrade VirtualBox 5.2 to VirtualBox 6.0 on Ubuntu 16.04

koromicha

In this tutorial, we are going to learn how to Upgrade VirtualBox 5.2 to VIrtualBox …

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 …

wubuntu

Install Wubuntu Linux on VirtualBox

Kifarunix

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

upgrade virtualbox 6.0 6.1

Upgrade VirtualBox 6.0 to 6.1 on Ubuntu Systems

With the release of VirtualBox 6.1 and its new major features, you should be planning to upgrade your VirtualBox 6.0. …

How to Upload ISO File to VMware ESXi Datastore using vSphere Client

Hello there, welcome to this tutorial on how to upload an ISO file to VMware ESXi using vSphere client. Well, …
how to Install Docker Desktop on Ubuntu

How to Install Docker Desktop on Ubuntu 22.04/Ubuntu 20.04

How can you install Docker desktop on Linux? In this tutorial, you will learn how to install Docker desktop on …

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