HowTos, Storage

Install ownCloud Server on Ubuntu 22.04

BY
Jay Decrame
HowTos

Install Ubuntu 24.04 with UEFI and Software RAID 1

HowTos, Monitoring, Prometheus, Ubuntu 18.04

Install Prometheus on Ubuntu 18.04

HowTos, Asset Management, OCS Inventory

Install OCS Inventory Agent on Debian 12|11|10

vim, HowTos, Linux Commands

How to copy paste lines in vim

Containers

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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 …
Monitor Docker Swarm and Container metrics using Metricbeat

Monitor Docker Swarm and Container metrics using Metricbeat

Is it possible to monitor Docker Swarm and container metrics using Metricbeat? Yes, of course! Metricbeat provides a flexible and …
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 …
How to Install Docker on Ubuntu 24.04

How to Install Docker on Ubuntu 24.04

Deploy NRPE Agent as a Docker container

Deploy NRPE Agent as a Docker Container

Understanding OpenShift Security Context Constraints

Control OpenShift Pod Permissions with SCCs and Service Accounts

install docker ce

Install Docker on Rocky Linux 8|9

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 WordPress using Docker compose

Deploy WordPress using Docker Compose

Deploy an OpenShift Cluster Using Agent-Based Installer

How to Deploy an OpenShift Cluster Using Agent-Based Installer (Bootable ISO, KVM & Bare Metal)

Install Fedora CoreOS on KVM Using an ISO File

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

Setup Kubernetes Cluster on Ubuntu

Install and Setup Kubernetes Cluster on Ubuntu 24.04

deploy multinode OpenShift cluster using UPI

How to Deploy Multinode OpenShift Cluster Using UPI/User Provisioned Infrastructure

integrate OpenShift with Active Directory for Authentication

Integrate OpenShift with Active Directory for Authentication

kubernetes drain vs cordon nodes

Kubernetes Nodes Maintenance: Drain vs. Cordon Demystified

What are the core concepts in Kubernetes?

What are the core concepts in Kubernetes?

Patch Sudo CVEs 2025-32462 & 2025-32463 using Ansible AWX

Patch Sudo CVEs 2025-32462 & 2025-32463 using Ansible AWX

Security

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Send Alert When ClamAV Finds Infected Files on Linux Systems

How to Install Wazuh Agent on RHEL 8/9/10

Install VeraCrypt on Debian 11

Most Popular

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Check SSL Certificate Expiry Date from Certificate File
HowTos, Security, SSL/TLS

Check SSL Certificate Expiry Date from Certificate File

install apache guacamole
HowTos, Guacamole, Remote Desktop

Guacamole: How to fix RDP server closed/refused connection: Security negotiation failed (wrong security type?)

install suricata
HowTos, Security, Suricata

Install and Setup Suricata on CentOS 8

Encrypt Files and directories with eCryptFS on Ubuntu 20.04
Encryption, HowTos, Security

Encrypt Files and Directories with eCryptFS on Ubuntu 20.04

Top 8 Security Skills To Prevent Cyber Threats
HowTos, Security

Top 8 Security Skills To Prevent Cyber Threats

Deploy Ceph Storage Cluster in Kubernetes using Rook
HowTos, Ceph, Containers, Kubernetes, Rook, Storage

Deploy Ceph Storage Cluster in Kubernetes using Rook

How to Increase Your Security With the Help of Advanced Tech Solutions

Install and Setup Nessus Scanner on Ubuntu 20.04

Check SSL Certificate Expiry Date from Certificate File

Process ModSecurity Logs using Wazuh

Exploring the World of Residential Proxy Networks

Install ModSecurity 3 with Nginx on Debian 12

VPNs are your Must Have Privacy Tool

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

Understanding OpenShift Security Context Constraints: The Complete Guide

Why Should You Be Using Ubuntu? 6 Advantages

How to Install and Use VeraCrypt to Encrypt Drives on Ubuntu

Enable SSH 2-Factor Authentication on Ubuntu 18.04

MONITORING

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

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

gen_too

In this tutorial, you will learn how to monitor changes to critical files on Windows …

Install MISP on Ubuntu 22.04/Ubuntu 20.04

Install MISP on Ubuntu 24.04/Ubuntu 22.04/Ubuntu 20.04

gen_too

In this tutorial, you will learn how to install MISP on Ubuntu 24.04/Ubuntu 22.04/Ubuntu 20.04. …

Install Nagios Core on FreeBSD 13

Install Nagios Core on FreeBSD 13

koromicha

In this guide, we are going to learn how to install Nagios Core on FreeBSD …

Install Prometheus on Linux

Install Prometheus on Debian 10

koromicha

In this guide, we are going to learn how to install Prometheus on Debian 10. Prometheus is …

Install and Setup AWStats Log Analyzer on CentOS 8

gen_too

Welcome to our tutorial on how to install and setup AWStats Log Analyzer on CentOS …

Logstash: Write Specific Events to Specific Index

Logstash: Write Specific Events to Specific Index

koromicha

In this blog post, you will learn how to write specific events to specific index …

Install Monitorix on Ubuntu 20.04

Install Monitorix on Debian 10

koromicha

This guide provides a step by step tutorial on how to install Monitorix on Debian …

Install Nagios Plugins From Source RHEL/CentOS/Oracle Linux

Install Nagios Plugins From Source RHEL/CentOS/Oracle Linux

koromicha

This guide describes how to install Nagios Plugins from Source RHEL/CentOS/Oracle Linux. In our previous tutorial, …

Configure ELK Stack Alerting with ElastAlert

Configure ELK Stack Alerting with ElastAlert

gen_too

Welcome to our tutorial on how to configure ELK Stack alerting with ElastAlert. As much …

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 Logstash 9 on Ubuntu/Debian

Install Logstash 9 on Ubuntu/Debian

This guide is about how to install Logstash 9 on Ubuntu/Debian as a continuation of our guide on how to …
Install OSSEC HIDS Agent

Install OSSEC Agent on CentOS 8

This guide presents a step-by-step tutorial on how to install OSSEC Agent on CentOS 8. OSSEC is an Open Source …
kibana custom ingest pipelines

Create Custom ELK Ingest Pipeline for Custom Log Processing

Follow through this tutorial to learn how create custom ELK ingest pipeline for custom log processing. Elastic Stack is so …

NETWORKING

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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, …
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 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 …
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 …
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 …
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 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 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 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 …

STORAGE

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Install and Configure BackupPC on CentOS 8

Setup Software RAID on Rocky Linux 8

How to Configure NFS Server on Ubuntu 18.04

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

Install Couchbase Server on Ubuntu 22.04/Ubuntu 20.04

Setup GlusterFS Distributed Replicated Volume on CentOS 8

How Install and Configure iSCSI Storage server on CentOS 7

Install ownCloud Server on Debian 10 Buster

VIRTUALIZATION

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Install VirtualBox 6.1 on Ubuntu 18.04 Desktop

koromicha

VirtualBox 6.1.0 which is a major update of VirtualBox was released December 10 2019 with quite …

Screenshot from 2021 01 13 22 50 51 1

Install VirtualBox 6.1 on Fedora 33

kaptotonindet

In this tutorial, you will learn how to install VirtualBox 6.1 on Fedora 33. VirtualBox …

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 …

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 …

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 …

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 Ubuntu 20.04 on VirtualBox

koromicha

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

Install Fedora 30 Workstation on VirtualBox

koromicha

So Fedora 30 has just been released and you would like to try out the …

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 …

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

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

In this guide, you will to learn how to deploy all-in-one OpenStack with Kolla-Ansible on Ubuntu 22.04. Kolla provides Docker …
How to Deploy WordPress as a Docker Container

How to Deploy WordPress as a Docker Container

Can you run WordPress in a Docker container? Yes, follow this tutorial to learn how to deploy WordPress as a …
Install VirtualBox 7 on Ubuntu 24.04

Install VirtualBox 7 on Ubuntu 24.04

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

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