DNS, HowTos, Linux Commands

Make Permanent DNS Changes in resolv.conf on Linux

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koromicha
HowTos, at/batch, Automate System Tasks

Scheduling tasks using at command in Linux

Kubernetes, Ceph, Containers, HowTos, Storage

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

HowTos,

Install Roundcube Webmail on Ubuntu 22.04

HowTos

Configure SSSD for LDAP Authentication on Ubuntu 22.04

Containers

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Safely Upgrade Kubeadm Kubernetes Cluster: A Step-by-Step Guide

Safely Upgrade Kubeadm Kubernetes Cluster: A Step-by-Step Guide

In this guide, we’ll walk you through the step-by-step process of how to safely upgrade kubeadm Kubernetes cluster. Upgrading a …
Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

Welcome to our guide on configuring shared filesystem for Kubernetes on Rook Ceph Storage. In a Kubernetes cluster, the need …
Serverless Computing with Linux on AWS Lambda

Serverless Computing with Linux on AWS Lambda

Introduction In today’s rapidly evolving technological landscape, serverless computing has emerged as a game-changer, redefining the way developers build and …
docker elk

Deploy a Single Node ELK Stack Cluster on Docker Containers

Kubernetes Architecture: A High-level Overview of Kubernetes Cluster Components

Kubernetes Architecture: A High-level Overview of Kubernetes Cluster Components

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

automate tasks in OpenShift with Kubernetes jobs and cron jobs

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

Install Minikube on Debian 12

Step-by-Step Tutorial: Install Minikube on Debian 12

Assign Roles to Users and Groups in Kubernetes Cluster

Assign Roles to Users and Groups in Kubernetes Cluster

Install Helm on Kubernetes Cluster

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

Deploy ELK Stack 8 on Docker Containers

Deploy ELK Stack 8 Cluster on Docker Containers

Kubernetes Ingress Explained

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

How to Install Docker Resource Usage Extension

How to Install Docker Resource Usage Extension

provision Block Storage for Kubernetes on Rook Ceph Cluster

Provision Block Storage for Kubernetes on Rook Ceph Cluster

Setup Kubernetes Cluster on Ubuntu

Setup Kubernetes Cluster on Ubuntu 22.04/20.04

Deploy Ceph Storage Cluster in Kubernetes using Rook

Deploy Ceph Storage Cluster in Kubernetes using Rook

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

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

integrate OpenShift with Active Directory for Authentication

Integrate OpenShift with Active Directory for Authentication

kubernetes secrets

How to Use Secrets in Kubernetes Applications

Security

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Install Bitwarden Password Manager on Ubuntu 22.04

4 Reasons Why Home and Remote Workers Should Use a VPN

Complete Guide: Configuring Filebeat to Send Logs to Kafka

Most Popular

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install erlang ubuntu
HowTos

Install Erlang on Ubuntu 22.04/Ubuntu 20.04

Install and Setup ZSH and Oh-My-Zsh on Linux
HowTos

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

bullseye 11
HowTos

Install VirtualBox Guest Additions on Debian 11

HowTos, Rsyslog

How To Configure Log Rotation with Logrotate on Ubuntu 18.04 LTS

HowTos

Install Oracle Java 12 on Ubuntu 18.04/Debian 9.8

Install OTRS Ticketting System on Debian 11
HowTos, Ticketing Systems

Install OTRS Ticketting System on Debian 11

Configure Nginx with SSL/TLS certificates on CentOS 8

Install and use ClamAV on Ubuntu 20.04

Install Fleet Osquery Manager on Ubuntu 20.04/Ubuntu 22.04

How to Recover Deleted Data on a Linux System

Install WireGuard VPN Client Ubuntu 24.04

How to Install Sophos AntiVirus on Ubuntu 18.04

6 Tools That Can Help Protect Your Sensitive Business Information

Easily Install ModSecurity with Apache on Rocky Linux 8

Install sysPass Password Manager on Ubuntu 22.04/Ubuntu 20.04

How to Reset Ceph Dashboard Admin Password

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

Install Fleet Osquery Manager on Rocky Linux

MONITORING

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install and configure snmp ubuntu 20.04

Quick Way to Install and Configure SNMP on Ubuntu 20.04

gen_too

In this guide, we are going to learn how to install and configure SNMP on …

Install GoAccess On Fedora 30/Fedora 29

koromicha

Follow through this guide to learn how to install GoAccess on Fedora 30/Fedora 29. GoAccess …

Install OSSEC HIDS Agent

Install and Setup OSSEC agent on Ubuntu 18.04/CentOS 7

koromicha

In this guide, we are going to learn how to install and configure OSSEC agent …

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 …

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 icinga2/icingaweb2

Install Icinga 2 and Icinga Web 2 on Ubuntu 20.04

koromicha

In this tutorial, we are going to learn how to install Icinga 2 and Icinga …

Deploy ELK Stack 8 on Docker Containers

Deploy ELK Stack 8 Cluster on Docker Containers

Kifarunix

Follow through this guide to learn how to deploy ELK Stack 8 cluster on Docker …

Install and Configure Zabbix

Install Zabbix Server on Debian 10 Buster

koromicha

In this guide, we are going to learn how to install Zabbix server on Debian …

Install LibreNMS on Linux

Install LibreNMS on Rocky Linux

koromicha

Follow through this tutorial to learn how to install LibreNMS on Rocky Linux. LibreNMS is …

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 …

filebeat

How to run Multiple Filebeat Instances in Linux

In this tutorial, you will learn how to run multiple filebeat instances in Linux system. Filebeat is one of the …
Install Apache Kafka on Debian 12

Easy Steps: Install Apache Kafka on Debian 12

This guide provides a step by step tutorial on how to easily install Apache Kafka on Debian 12. Apache Kafka …
nagios nrpe

Install Nagios NRPE Agent on Rocky Linux 8

Follow through this guide to learn how to install Nagios NRPE agent on Rocky Linux 8. In order to execute Nagios plugins …

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 …
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 …
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 …
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 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 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 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 …
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 …

STORAGE

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Install and setup GlusterFS on Ubuntu 22.04/Ubuntu 20.04

Install and Configure BackupPC on Debian 10

Backup Windows System via SMB Using BackupPC

Install Couchbase Server on Ubuntu 22.04/Ubuntu 20.04

Easy way to Install ownCloud Desktop Client on Debian 12

Install and Configure NFS Server on Rocky Linux 8

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

How to Install BackupPC on Debian 12

VIRTUALIZATION

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install portainer on Linux

Install Portainer on Debian 11/Debian 10

koromicha

In this tutorial, you will learn how to install Portainer on Debian 11/Debian 10. Portainer is …

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 …

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 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 Debian 10 Buster on VirtualBox

koromicha

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

Create and Manage VirtualBox VM Groups

Create and Manage VirtualBox VM Groups

koromicha

In this tutorial, you will learn how to create and manage VirtualBox vm groups. In …

install kvm on ubuntu

How to Install KVM on Ubuntu 24.04

Kifarunix

In this tutorial, you will learn how to install KVM on Ubuntu 24.04. KVM (Kernel-based …

kvm and terraform

Automate Virtual Machine Creation on KVM with Terraform

Kifarunix

In this tutorial, you will learn how to automate Virtual Machine creation on KVM with …

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 …

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 …

kali linux 2021.3 desktop

Install VirtualBox Guest Additions on Kali Linux 2020.3

In order to set your Kali Linux running on VirtualBox in fullscreen mode, you need Guest additions installed on the …
Install KVM on Oracle Linux

Install KVM on Oracle Linux

In this tutorial, you will learn how to install KVM on Oracle Linux. KVM, an acronym for Kernel-based Virtual Machine, …
Install OPNsense on VirtualBox

How to Install OPNsense on VirtualBox

In this tutorial, we are going to learn how to install OPNsense on VirtualBox. OPNsense is a FreeBSD-based open-source software …

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