HowTos, Security, Ubuntu 18.04

Enable SSH 2-Factor Authentication on Ubuntu 18.04

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koromicha
HowTos

Enable PowerTools Repository on Rocky Linux 8

HowTos, Directory Server, FreeIPA, OpenLDAP

Install and Configure FreeIPA Client on Ubuntu 24.04

HowTos, KVM, Virtualization

How to fix QEMU/KVM Not Connected Error on Ubuntu 20.04

HowTos

Install and Configure APT-Caching Server Using Apt-Cacher NG on Ubuntu 20.04

Containers

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check Docker container RAM and CPU usage

How to Check Docker Container RAM and CPU Usage

How to check Docker CPU and memory usage? In this tutorial, you will learn how to check Docker container RAM …
Backup and Restore etcd in OpenShift 4 with Automated Scheduling & S3 Storage Integration

Backup and Restore etcd in OpenShift 4 with Automated Scheduling & S3 Storage Integration

In this blog post, we will walk through how to backup and restore etcd in OpenShift 4, including setting up …
Enable User Workload Monitoring in OpenShift 4.20

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

In this blog post, you will learn how to enable user workload monitoring in OpenShift 4.20 and empower developers to …
openstack on ubuntu 24.04

Install OpenStack on Ubuntu 24.04 using Kolla Ansible

Install Dozzle Real-Time Log Viewer for Docker Containers on Ubuntu

Install Dozzle Real-Time Log Viewer for Docker Containers on Ubuntu

Monitor Docker Swarm Node Metrics using Grafana

Monitor Docker Swarm Node Metrics using Grafana

Install and Run MariaDB as a Docker Container

How to Migrate ODF from Worker Nodes to Dedicated Storage Nodes on OpenShift 4.x

How to Migrate ODF from Worker Nodes to Dedicated Storage Nodes on OpenShift 4.x

How to Configure NFS Storage for CloudBees CI Managed Controllers HA on OpenShift

How to Configure NFS Storage for CloudBees CI Managed Controllers HA on OpenShift

how Kubernetes assigns pods to nodes

How Kubernetes Schedules Pods: A Step-by-Step Guide for Beginners

Deploy Multi-Node OpenStack using Kolla-Ansible

Deploy Multinode OpenStack using Kolla-Ansible

Setup Kubernetes Cluster on Ubuntu

Install and Setup Kubernetes Cluster on Ubuntu 24.04

Kubernetes Cluster on RHEL 9

Install and Setup Kubernetes Cluster on RHEL 9

Serverless Computing with Linux on AWS Lambda

Serverless Computing with Linux on AWS Lambda

Provisioning Kubernetes Persistent Volumes with CephFS CSI Driver

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

Assign Roles to Users and Groups in Kubernetes Cluster

Assign Roles to Users and Groups in 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

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

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

Configuring Shared Filesystem for Kubernetes on Rook Ceph Storage

Security

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How to Set Up Your Own Proxy

Studying cybersecurity and gaining the greatest achievements in data protection

Configure IPSEC VPN using StrongSwan on Ubuntu 18.04

Most Popular

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mysql8
HowTos, Database, MySQL

Install MySQL 8 on Ubuntu 22.04

Configure Host-Based Access Control on FreeIPA Server
HowTos, Directory Server, FreeIPA

Install and Setup FreeIPA Server on CentOS 8

composer rocky
PHP, HowTos, LAMP Stack, LEMP Stack

Install PHP Composer on Rocky Linux 8

Install Elastic Stack 7 on Ubuntu
Monitoring, Elastic Stack, HowTos

Installing ELK Stack on CentOS 8

Install ownCloud Server
Storage, HowTos, ownCloud

Install ownCloud Server on Debian 12

Install KVM on Oracle Linux
Virtualization, HowTos, KVM

Install KVM on Oracle Linux

Install ModSecurity 3 with Nginx on Ubuntu 22.04

Install and Configure Squid Proxy on Rocky Linux 8

Install and Configure Endian Firewall on VirtualBox

6 Tools That Can Help Protect Your Sensitive Business Information

How To Reset Or Recover Root Password On OPNsense

How to Integrate TheHive with MISP

Monitor SSL/TLS Certificate Expiry with Prometheus and Grafana

Enforce Password Complexity Policy On Ubuntu 18.04

How to Enable HTTPS for Request Tracker on Linux

Enable HTTPS Connection Between Elasticsearch Nodes

Common Mistakes When Using A White Paper Example

MONITORING

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Visualize WordPress User Activity Logs on ELK Stack

Visualize WordPress User Activity Logs on ELK Stack

gen_too

In this tutorial, you will learn how to visualize WordPress user activity logs on ELK …

kibana login page

How to Enable Basic Authentication on ELK Stack

gen_too

In this tutorial, you will learn how to enable basic authentication on ELK stack. Elastic/ELK …

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 Grafana on Ubuntu

Install Grafana Data Visualization Tool on Ubuntu 18.04

koromicha

In this guide, we are going to learn how to install Grafana Data Visualization Tool …

Install OSSEC Agent on Solaris

How to Install OSSEC Agent on Solaris 11.4

koromicha

In this tutorial, we are going to learn how to install OSSEC agent on Solaris …

Install Icinga Web 2 on Debian 10 Buster

koromicha

In this guide, we are going to learn how to install Icinga Web 2 on …

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 …

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. …

Install Osquery on Linux

Install Osquery on Rocky Linux 8

gen_too

In this guide, we are going to learn how to install osquery on Rocky Linux …

Backup and Restore Elasticsearch Index Data

Backup and Restore Elasticsearch Index Data

gen_too

In this blog post, you will learn how to backup and restore Elasticsearch Index data. …

Monitor Docker Swarm Node Metrics using Grafana

Monitor Docker Swarm Node Metrics using Grafana

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

Install ELK Stack on Rocky Linux 8

Welcome to our demo on how to install ELK Stack on Rocky Linux 8. ELK is the acronym for three open source …
Install Nagios Plugins From Source RHEL/CentOS/Oracle Linux

Install Nagios Plugins and NRPE agents on CentOS 7/RHEL 7/Fedora 29

In this article, we are going to learn how to install Nagios Plugins and NRPE agents on CentOS 7/RHEL 7/Fedora …

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 …

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 …
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 …
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 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 …
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 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 …
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 Configure BackupPC on CentOS 8

How Install and Configure iSCSI Storage server on CentOS 7

How to Reduce or Shrink Physical Volume in Linux

Install ownCloud Server on Debian 11

Deploy Ceph Storage Cluster in Kubernetes using Rook

How to Install MinIO Object Storage Server on RHEL 9

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

Install and Setup BackupPC Server on Ubuntu 20.04

VIRTUALIZATION

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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 …

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 Ubuntu 24.04 on VirtualBox

Install Ubuntu 24.04 on VirtualBox

Kifarunix

This guide will take you through how to install Ubuntu 24.04 on VirtualBox. Ubuntu 24.04, …

Install VirtualBox Guest Additions on Fedora 31/32

koromicha

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

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 …

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 Rename KVM Virtual Machine with virsh command

How to Rename KVM Virtual Machine with virsh command

koromicha

Is it possible to rename KVM virtual machine? Yes, follow through this guide to learn …

Install Ubuntu 20.04 on VirtualBox

koromicha

Follow through this guide to learn how to install Ubuntu 20.04 on VirtualBox. Well, Ubuntu …

Install VirtualBox 7 on Ubuntu 24.04

Install VirtualBox 7 on Ubuntu 24.04

Kifarunix

In this post, you will learn how to install VirtualBox 7 on Ubuntu 24.04. Installing …

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 …

how to automate virtual machine installation on VirtualBox

Automate Virtual Machine Installation on VirtualBox

In this tutorial, you will learn how to automate virtual machine installation on VirtualBox. Many times, not once, not twice …
Install Fedora CoreOS on KVM Using an ISO File

Install Fedora CoreOS on KVM Using an ISO File: A Step-by-Step Guide

In this tutorial, you will learn how to install Fedora CoreOS on KVM using an ISO file. Fedora CoreOS is a minimal, …
AutoStart VirtualBox VMs on System Boot on Linux

AutoStart VirtualBox VMs on System Boot on Linux

In this guide, we are going to learn how to autostart VirtualBox VMs on system boot on Linux. On a …

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