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Install and Setup Ansible on Ubuntu 20.04

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In this tutorial, we are going to learn how to install and setup Ansible on Ubuntu 20.04. Ansible is a simple agentless IT automation tool. It handles configuration management, application deployment, cloud provisioning, ad-hoc task execution, network automation, and multi-node orchestration over the SSH protocol. Ansible makes complex changes like zero-downtime rolling updates with load balancers easy.

Install OSSEC HIDS Agent on Ubuntu 20.04

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This tutorial will guide you on how to install OSSEC HIDS agent on Ubuntu 20.04 system from the source tarball.  OSSEC is an Open Source Host based Intrusion Detection System that performs log analysis, integrity checking, Windows registry monitoring, rootkit detection, real-time alerting and active response. It runs across multiple platforms including Linux, OpenBSD,...

Setup IPSec VPN Server with Libreswan on CentOS 8

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Welcome to our today's guide on how to setup IPSec VPN server with Libreswan on CentOS 8. Libreswan is a free implementation of IKE/IPsec for Linux. IPsec is the Internet Protocol Security which uses strong cryptography to provide both authentication and encryption services and allow you to build secure tunnels through untrusted networks. Everything passing through the...

Install Apache Tomcat 9 on Ubuntu 20.04

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 Apache Tomcat is an opensource java based HTTP web server that implements  the Java Servlet, JavaServer Pages, Java Expression Language and Java WebSocket technologies. In this tutorial, you will learn how to install Apache Tomcat 9 on Ubuntu 20.04. Install Apache Tomcat 9 on Ubuntu 20.04 Run system update

Setup GlusterFS Distributed Replicated Volume on CentOS 8

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In this tutorial, we are going to learn how to setup glusterfs distributed replicated volume on CentOS 8. Gluster is a free and open source scalable network filesystem which enables you to create large, distributed storage solutions for media streaming, data analysis, and other data- and bandwidth-intensive tasks. Setup...

Connect to VPN Automatically on Ubuntu 20.04/18.04

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Today, we are going to learn how to connect to VPN automatically on Ubuntu 20.04/18.04. There are various scenarios in which you might want to connect to VPN automatically when system boots. In this guide, you will learn how to connect to VPN automatically on Ubuntu 20.04/Ubuntu 18.04 desktop systems, OpenVPN clients. Connect to...

Configure OpenLDAP Password Expiry Email Notification

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In this tutorial, we are going to learn how to configure OpenLDAP password expiry email notification. If you are using identity and authentication clients such as SSSD on your OpenLDAP clients, you might have realized that, everytime you are logging into a system, SSSD displays a number of days before the password expires, that is only if...

Install and Setup Vtiger CRM on Ubuntu 20.04

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In this tutorial, we are going to learn how to install and setup Vtiger CRM on Ubuntu 20.04. CRM is an abbreviation for Custom Relationship Management. Vtiger CRM enables sales, support, and marketing teams to organize and collaborate to measurably improve customer experiences and business outcomes. In this tutorial, we are going to install the opensource version of...

Configure Offline Authentication via OpenLDAP on MacOS X

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In this tutorial, we are going to learn how to configure Offline Authentication via OpenLDAP on MacOS X. If you have configured network-based authentication on MacOS X through directory servers such as OpenLDAP, Active Directory, FreeIPA, chances are you might want to use the same directory account to authenticate to you MacOS system when you are not...

Configure OpenLDAP Authentication on MacOS X

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Welcome to our tutorial on how to configure OpenLDAP authentication on MacOS X. Fortunately, MacOS X systems ship with a utility called Directory Utility. According to Apple Support, Directory Utility can be used to add and configure advanced connections to directory servers. When configured, your Mac OS can access the directory servers for user information and other administrative...