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linux system hardening

Install and Setup Lynis Security Auditing tool on Ubuntu 20.04

In this tutorial, you will learn how to install and setup Lynis security auditing tool on Ubuntu 20.04. Lynis is an open-source security tool that

Latest Posts

Enable RHEL 10 Repositories in Red Hat Satellite: A Step-by-Step Guide

How to Disable Weak SSH Algorithms on RHEL 8/9/10 (SHA-1 HMACs, SHA-1 Kex, CBC, 3DES)

Integrate OpenShift with Active Directory for Authentication

Install and Set Up Active Directory on Windows Server 2025 with LDAPS

How to Join RHEL 8/9/10 to Windows AD with SSSD

Configure SSSD for Windows AD Authentication on Ubuntu 24.04

Containers

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

Install OpenStack on Ubuntu 24.04 using Kolla Ansible

Install Portainer on Ubuntu 22.04

How to Install Docker Resource Usage Extension

Install and Use Docker on Debian 10 Buster

OpenShift Builds and BuildConfig Essentials: A Comprehensive Guide

Security

Configure Filebeat-Elasticsearch Authentication

Setup IPSEC VPN using StrongSwan on Debian 10

WordPress: Fix Updating failed. The response is not a valid JSON response

Intercept Malicious File Upload with ModSecurity and ClamAV

Install Wazuh Server on Rocky Linux 8/Rocky Linux 9

Install sysPass Password Manager on Ubuntu 22.04/Ubuntu 20.04

Monitoring

Configure Kibana Dashboards/Visualizations to use Custom Index

Install Nagios NRPE Agent on RHEL/CentOS/Oracle Linux

Install Zabbix 4.x from Sources on Debian 10 Buster

Install and Configure SNMP on Debian 10 Buster

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

Create Custom ELK Ingest Pipeline for Custom Log Processing

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