Tutorials

Tig is a Ncurses-based and command-line Git repository browser. It supports various operating systems including Linux, macOS, and Windows. Tig provides an easier way to interact with Git and staging Git commits. It provides a rich set of features. Some of them are listed below:

• Displays the list of stashes
• Displays the changes for a single file
• Allows to browse the commits in the current branch
• Compares two branches
• Displays the commits for one or more specific branches

In this post, we will show you how to install and use the Tig git repository browser on Ubuntu 20.04.

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OpenMAINT is an open-source CMMS (Computerized Maintenance Management System) application used for managing movable assets including plants, technical devices, furniture, etc. It is designed to manage and streamline maintenance processes at all scales and across all industries. It is implemented on the open-source asset management framework CMDBuild. OpenMAINT comes with powerful tools including dashboards, inventory control, reports, and tracking and history records. You can also customize it according to the needs of the organization.

In this post, we will learn how to install OpenMAINT on Ubuntu 20.04.

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ClickHouse is a free, open-source, fast OLAP database management system used to generate analytical reports using SQL queries in real-time. It is column-oriented and has other important characteristics like user-friendliness, scalability, and security. It stores records in blocks grouped by columns instead of rows. Compared to row-based systems, column-oriented databases spend less time reading and computing the data.

In this post, we will show you how to install and ClickHouse on Ubuntu 20.04 server.

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The new Ubuntu 21.04 (Hirsute Hippo) has been released on 22 April 2021. Ubuntu 20.04 is long-term support and it will be supported for 5 years. Ubuntu 21.04 is not a long-term support release, meaning it will be supported until January 2022 (9 months).

Before upgrading to Ubuntu 21.04 version, you should be aware of the following things:

• The upgrade process will download a couple of GBs of data, so you will need a good internet connection.
• It is always recommended to backup your important files to an external hard disk.
• After upgrading to a newer version, you can revert to the older version.
• Upgrading to a newer version will disable the third-party repositories that you have added on your own.

In this post, we will show you how to upgrade Ubuntu 20.04 to Ubuntu 21.04.

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Socioboard is a free, open-source social media management tool used for managing multiple social media channels from a central dashboard. It is used by small and medium-sized businesses for lead generation, marketing, customer support, and automated engagement. It comes with a rich set of features including advanced scheduling & publishing tools, social CRM tools, customizability, scalability, customer support, Helpdesk integration, and more.

In this post, we will show you how to install Socioboard with Apache on Ubuntu 20.04.

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EteSync is a free, open-source, and end-to-end tool used to sync your contacts, calendars, tasks, and notes. It can be easily integrated with your existing apps. You just need one password for login and encryption. EteSync has the ability to share data with other users and synchronization between multiple devices. It also provides an add-on for Mozilla Thunderbird and a client for Web, Desktop, Android, and iOS.

In this post, we will show you how to install EteSync on Ubuntu 20.04 server.

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Talkyard is a free and open-source community discussion platform that helps you to share knowledge with your co-workers, customers, volunteers, users. It is an alternative to other discussion platforms including StackOverflow, Slack, Discourse, and Reddit. You can use it as a knowledge base, customer support, discussion forum, and much more.

In this post, we will show you how to install Talkyard Forum with Nginx on Ubuntu 18.04.

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Modoboa is a free, open-source, complete mail server solution that comes with Postfix and Dovecot. It is written in Python and allows you to set up a fully functional mail server within a minute. You can create an unlimited number of mailboxes and domains from a web-based interface. It has Let’s Encrypt integration and also includes Amavis frontend to block spam and detect viruses in email.

If you are a beginner and don’t know how to set up a mail server, then Modoboa is the best option for you. In this post, we will learn how to set up a mail server with Modoboa on Ubuntu 20.04 server.

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Invoice Ninja is a free, open-source, self-hosted application for invoicing and billing customers. It is written in PHP with a Laravel framework. Invoice Ninja is specially designed for freelancers & businesses for invoicing, accept payments, track expenses, create proposals, and time tasks. It allows you to create and send invoices to clients with your own domain name and brand. Invoice Ninja supports 40+ payment gateways including WePay, GoCardless, PayPal, Authorize.net, 2Checkout, and more.

In this post, we will show you how to install Invoice Ninja with Nginx on Debian 10.

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If you are a system administrator and manage multiple Docker hosts, then you will need to connect to each Docker host and run a command to manage Docker. This can be a time-consuming process. This is where Docker daemon comes into the picture. Docker daemon allows you to connect to a remote docker host over TCP. This way, you can manage multiple Docker hosts from your local system without having to log in to each Docker host individually.

In this post, we will show you how to configure Docker daemon to manage the Docker host over TCP.

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