HowTos, Ubuntu 18.04

How to Setup or Join Zoom Meetings on Ubuntu 18.04 LTS

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koromicha
Monitoring, AlienVault, HowTos, Nagios

Install Nagios NRPE Agent on RHEL/CentOS/Oracle Linux

HowTos

Youtube Views; A Chronicle Of Engaging Social Network

HowTos

Installing Webmin Web-based Linux System Administration Tool Fedora 29/28/CentOS 7

HowTos, Apache, tomcat, Web Servers

Install Apache Tomcat 9 on Debian 10/Debian 9

Containers

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Deploy ELK Stack 8 Cluster on Docker using Ansible

Deploy ELK Stack 8 Cluster on Docker using Ansible

In this tutorial, you will learn how to deploy ELK stack 8 Cluster on Docker using Ansible, an an open-source …
kubernetes kubeconfig

What is Kubeconfig File in a Kubernetes Cluster?

What is kubeconfig file in a Kubernetes Cluster? If you are just starting out your journey in Kubernetes, it is …
Deploying CloudBees CI on OpenShift: Architecture, Installation, Security, and Production Best Practices

Deploying CloudBees CI on OpenShift: Architecture, Installation, Security, and Production Best Practices

This guide provides working steps on deploying CloudBees CI on OpenShift. My first CloudBees CI deployment on OpenShift looked successful …
How to Configure Centralized Logging in OpenShift with LokiStack and ODF

How to Configure Centralized Logging in OpenShift with LokiStack and ODF

Configure CloudBees CI High Availability for Managed Controllers on OpenShift

How to Configure CloudBees CI High Availability for Managed Controllers on OpenShift

Install Metrics Server on Kubernetes

Install Kubernetes Metrics Server on a Kubernetes Cluster

Deploy Ceph Storage Cluster in Kubernetes using Rook

Deploy Ceph Storage Cluster in Kubernetes using Rook

Assign Roles to Users and Groups in Kubernetes Cluster

Assign Roles to Users and Groups in Kubernetes Cluster

StatefulSets in Kubernetes: Everything You Need to Know

StatefulSets in Kubernetes: Everything You Need to Know

Install and Use Docker on Debian 10 Buster

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

How to Integrate MinIO S3 Storage with Kubernetes/OpenShift

Deploy NRPE Agent as a Docker container

Deploy NRPE Agent as a Docker Container

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

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

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

Part 1: How to Install and Configure OADP Operator on OpenShift 4

Forward OpenShift Logs to Multiple Destinations Using ClusterLogForwarder (Elasticsearch & S3)

Forward OpenShift Logs to Multiple Destinations Using ClusterLogForwarder (Elasticsearch & S3)

Deploy ELK Stack 8 Cluster on Docker using Ansible

Deploy ELK Stack 8 Cluster on Docker using Ansible

How to Install Docker Resource Usage Extension

How to Install Docker Resource Usage Extension

install docker ce

Install Docker on Rocky Linux 8|9

install docker ce on debian 12

How to Install Docker CE on Debian 12

Security

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Automount LUKS Encrypted Device in Linux

Install Modsecurity with Nginx on Rocky Linux 8

What You Can Do to Get Work as a Security Guard

Most Popular

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Database, MariaDB

Install MariaDB 10.3 on Fedora 30

HowTos, Ubuntu 18.04

How to Install RainLoop Webmail Client with Nginx on Ubuntu 18.04

HowTos, Linux Commands, vim

Delete Lines Matching Specific Pattern in a File using VIM

zammad ticket system
HowTos, SSL/TLS, Ticketing Systems

Install Zammad Ticketing System on Debian 12

Directory Server, HowTos

Configure OpenLDAP Client on Debian 9 Stretch

Install OSSEC Agent on Solaris
Security, HowTos, Monitoring, OSSEC

How to Install OSSEC Agent on Solaris 11.4

Install and Setup Lynis Security Auditing tool on CentOS 8

Install ModSecurity 3 with Nginx on Debian 12

Why Should You Be Using Ubuntu? 6 Advantages

Check SSL Certificate Expiry Date from Certificate File

Install Wireshark on Ubuntu 22.04

Configure Squid Proxy OpenLDAP Authentication on pfSense

Configure strongSwan VPN Client on Ubuntu 18.04/CentOS 8

Is a Firewall Box All You Need for Home and Small Office Security?

How to Automate eCryptfs Mounting Procedure

Cyber Security: 6 Reasons Why It Is Crucial for Your Business

How to Protect Single User Mode with Password in Ubuntu 18.04

Deploy OpenBao on OpenShift with HA Raft, TLS, and Static Key Auto-Unseal: No Cloud KMS Needed

MONITORING

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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 and Setup NetData on Ubuntu 20.04/18.04

koromicha

In this tutorial, you will learn how to install and setup NetData on Ubuntu 20.04/18.04. …

monitor docker containers using nagios

How to Monitor Docker Containers using Nagios

Kifarunix

Can Nagios monitor docker container? Yes, in this tutorial, you will learn how to monitor …

nagios nrpe

Install Nagios NRPE Agent on Rocky Linux 8

gen_too

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

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 …

How to Monitor Disk Input/Output on Linux

How to Monitor Disk Input/Output on Linux

koromicha

In this tutorial, you will learn how to Monitor Disk Input/Output on Linux. In most …

nagios nrpe

Install Nagios NRPE Agent on CentOS 8

koromicha

Follow through this guide to learn how to install Nagios NRPE agent on CentOS 8. …

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 …

install sensu agent ubuntu/debian

Install Sensu Agent on Ubuntu/Debian

koromicha

This guide will take you through how to install Sensu agent on Ubuntu/Debian systems. We …

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 …

nagios nrpe

Install Nagios NRPE Agent on RHEL/CentOS/Oracle Linux

In this tutorial, we are going to learn how to install Nagios NRPE Agent on RHEL/CentOS/Oracle Linux. Nagios Remote Plugin …
Monitor Changes to Critical Files on Windows Systems using Wazuh and ELK

Monitor Changes to Critical Files on Windows Systems using Wazuh and ELK

In this tutorial, you will learn how to monitor changes to critical files on Windows systems using Wazuh and ELK …
install and configure snmp on Linux

How to Configure SNMP version 3 on Debian 9

This guide is about how to configure SNMP version 3 on Debian 9. There are three major versions of SNMP …

NETWORKING

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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 …
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 …
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

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 …

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 …
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 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 …
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 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 …

STORAGE

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Backup Windows System with BackupPC Using Rsyncd

Easy way to Setup NFS Server on Ubuntu 20.04

Setup Software RAID on Debian 10

Quick Way to Setup Samba File Server on Debian 10

Setup Software RAID on Ubuntu 20.04

How to Access Samba Share on Linux and Windows Systems

Setup Software RAID on Rocky Linux 8

Create LVM Logical Volumes in Linux

VIRTUALIZATION

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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 …

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 …

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 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 …

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 …

Upgrade VirtualBox 6.x to VirtualBox 7.x on Ubuntu/Debian

Upgrade VirtualBox 6.x to VirtualBox 7.x on Ubuntu/Debian

koromicha

In this tutorial, you will learn how to upgrade VirtualBox 6.x to VirtualBox 7.x on …

Install VirtualBox Guest Additions on Ubuntu 24.04

Install VirtualBox Guest Additions on Ubuntu 24.04

Kifarunix

In this guide, you will learn how to install VirtualBox guest additions on Ubuntu 24.04. …

virtualbox ubuntu 20.04

Install Latest VirtualBox on Ubuntu 20.04

koromicha

In this tutorial, you will learn how to install latest VirtualBox on Ubuntu 20.04. As …

How to Create And Delete OpenStack Project

How to Create And Delete OpenStack Project

koromicha

In this blog post, we’ll provide a step by step tutorial on how to create …

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 …
Install NixOS with Gnome Desktop on VirtualBox

Install NixOS with Gnome Desktop on VirtualBox

In this tutorial, you will learn how to install NixOS with Gnome Desktop on VirtualBox. NixOS, a Linux distribution based …
kali linux 2021.3 desktop

Install Kali Linux 2020.3 on VirtualBox

In this tutorial, you will learn how to install Kali Linux 2020.3 on VirtualBox. Kali Linux is an Advanced Penetration …

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