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...

Install and Deploy Kubernetes Cluster on Ubuntu 20.04

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Welcome to our tutorial on how to install and deploy Kubernetes Cluster on Ubuntu 20.04. Kubernetes, according to kubernetes.io is an open-source production-grade container orchestration platform. It facilitates automated deployment, scaling and management of containerized applications. Install and Deploy Kubernetes on Ubuntu 20.04 In this tutorial, we are going to deploy...

Configure Highly Available HAProxy with Keepalived on Ubuntu 20.04

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In this guide, we are going to learn how to configure highly available HAProxy with Keepalived on Ubuntu 20.04. Keepalived can work with HAProxy to provide the failover services to a backup route in the event that a specific route becomes unavailable. This ensures a more robust and scalable high availability environment.  While Keepalived...

Install and Setup HAProxy on Ubuntu 20.04

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Welcome to our guide on how to install and setup HAProxy on Ubuntu 20.04. HAProxy (High Availability Proxy), as you might already be aware, is a free, very fast and reliable solution offering high availability, load balancing, and proxying for TCP and HTTP-based applications. It is particularly suited for very high traffic web sites and powers quite a number of the...