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The post How to Setup Two-Factor Authentication For SSH In Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

By default, SSH already uses secure data communication between remote machines, but if you want to add some extra security layer to your SSH connections, you can add a Google Authenticator (two-factor authentication) module

The post How to Setup Two-Factor Authentication For SSH In Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

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Tour Collabora Online, an open source alternative to Google Workspace Heike Jurzik Mon, 07/25/2022 - 03:00 Register or Login to like Register or Login to like

Setting up your own cloud office is an important step towards digital sovereignty. Collabora Online is an open source office suite for the cloud or on-premises that protects users' privacy and allows them to keep full control of their data. The software is developed by Collabora Ltd, Cambridge, UK, and their team working around the world. Collabora Online is based on LibreOffice Technology and is primarily licensed under the Mozilla Public License 2.0.

There are two editions available from the supplier:

• The production-ready and stable version Collabora Online (COOL)
• The Collabora Online Development Edition (CODE), aimed at developers, home users, and small teams

Collabora Online is an open source alternative to Microsoft 365 or Google Workspace. The LibreOffice-based online office suite supports all major document, spreadsheet, and presentation file formats and collaborative editing.

Get started with Collabora Online

Before I look at some of Collabora Online's features, I'll just clarify: Collabora Online is not stand-alone software. Instead, the online office suite integrates into an existing infrastructure and requires a cloud solution as a foundation, such as EGroupware, Nextcloud, ownCloud, or Pydio. The Collabora website also lists Alfresco, Microsoft SharePoint 2016 Server, Nuxeo, or Moodle as integration options.

Alternatively, there is a supported appliance for Collabora Online built on Univention Corporate Server (UCS), a Debian-based enterprise Linux distribution with an integrated identity and infrastructure management system. The Univention App Center offers two appliances, one with Nextcloud and one with ownCloud as the base.

If you don't want to install Collabora Online yourself, there is a list of partners—including hosting partners—who offer Collabora Online as a SaaS solution.

Standard file formats

Collabora Online works in any modern web browser; no plug-ins or add-ons are necessary. The cloud office includes a word processor (Writer), a spreadsheet (Calc), and presentation software (Impress). The icing on the cake is an application for creating vector graphics (Draw)—neither Google nor Microsoft offer a dedicated drawing program.

Image by:

(Heike Jurzik, CC BY-SA 4.0)

Apart from the Open Document Format (ODT, ODS, ODP, etc.), Collabora Online can open and process various Microsoft Office formats (DOC/DOCX, XLS/XLSX, PPT/PPTX). Basically, the cloud office supports the same file formats as LibreOffice, including older standards and exotics. Exchanging documents with other users works well, provided everyone knows how to work with style sheets and the difference between tabs and spaces. This knowledge applies to importing and exporting files between different office suites—online or offline—as well.

More great content Free online course: RHEL technical overview Learn advanced Linux commands Download cheat sheets Find an open source alternative Explore open source resources Look and feel of Collabora Online

Starting with version 6.4, Collabora Online offers the Tabbed view as an alternative user interface to the classic Compact view. It's not only designed to provide easy access to all features but also helps Microsoft Office users get used to the interface.

In current Collabora versions, users can choose their preferred look and feel via the View menu. In previous versions, the administrator had to adjust the server-side settings by editing the file loolwsd.xml (after version 21.11, this was called coolwsd.xml), section user_interface.

Please note that changing the XML file affects the look and feel for all users. EGroupware offers to modify the toolbar individually. Users choose their preferred interface in the personal settings, section File manager, tab Collabora Online. Here they can select Standard Toolbar from the drop-down menu and click Apply.

Image by:

(Heike Jurzik, CC BY-SA 4.0)

Collabora Online vs Microsoft 365 vs Google Workspace

Here are some key collaboration features to see how Collabora Online performs compared to Microsoft 365 and Google Workspace:

Image by:

(Heike Jurzik, CC BY-SA 4.0)

Image by:

(Heike Jurzik, CC BY-SA 4.0)

• Version history: This depends on the integration, i.e., the underlying host system. Most platforms list existing versions with timestamps. For example, in EGroupware, you must open a document and select File/See history. Nextcloud and ownCloud offer a version history via the integrated file manager (click on the dots and select Details).
• Manage changes: The menu Review not only contains a spellchecker and a thesaurus, but it also offers functions for commenting, recording, and managing changes. Users are given different colors when editing documents collaboratively, and the changes appear in near real-time. Added text appears highlighted and underlined, and deleted text is highlighted and crossed through.
• Comments: Marking words, lines, and entire sections, leaving and replying to comments, marking threads as resolved and unresolved—it all works like a charm.
• Shares: Sharing documents with other users (internally and externally) is straightforward. In integrations like Nextcloud and ownCloud, this all happens via the file manager and the sharing icon. The Sharing tab shows existing shares, offers to create public links, and sets up passwords and expiration dates. In EGroupware, you must right-click a document in the file manager and select the Share/Writable Collabora Online link. Alternatively, you can use the shared folders feature on all platforms to grant internal access to your documents.

Mobile access to your office suite

Mobile apps available for Android and iOS allow you to edit documents on your smartphone or tablet and even work offline. While all basic functions work fine, there is still room for improvement in formatting documents.

In any case, it's more convenient to work in the web browser of mobile devices. Thanks to the responsive layouts of the underlying platforms, this works well. Even collaborative and simultaneous editing of documents in Collabora Online runs smoothly. Admittedly, reading long documents is not much fun on a small display, and typing longer texts on the keyboard of a smartphone or tablet is not ideal either—but it works.

Control your office suite the open source way

There are no major differences between the cloud offices of the big players—at least for end users. All basic functions work fine, and there are no complaints about importing and exporting documents and dealing with different office formats. The biggest challenge might be installing and setting up the cloud office on a dedicated server with another cloud solution as a foundation. Regardless of your integration, you must take care of the installation and maintenance yourself.

Admittedly, this requires a little more effort than setting up an account with Google or Microsoft, but the data is stored on your own server or in a private cloud if you opt for a SaaS solution. Anyone who values digital sovereignty and wants to retain complete control of their data should consider it. Check out the online demo if you want to give Collabora Online a try.

Collabora Online is an open source office suite for the cloud or on-premises that protects users' privacy and allows them to keep full control of their data.

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Opensource.com

Alternatives What to read next Get started with EGroupware, an open source alternative to Microsoft 365 This work is licensed under a Creative Commons Attribution-Share Alike 4.0 International License. Register or Login to post a comment.

How to use LibreOffice Writer templates Jim Hall Mon, 07/25/2022 - 03:00 Register or Login to like Register or Login to like

A staple in any office software suite is the word processor. Whether your needs are small or large, from jotting down a note to writing a book, the word processor gets the job done. Most Linux distributions include the LibreOffice suite, and I use LibreOffice Writer as my word processor.

LibreOffice Writer provides lots of flexibility through its toolbar, keyboard shortcuts, and menus. But if you just want to start a document without too much hassle, you can use one of the pre-loaded templates. Here's how to use LibreOffice Writer templates to make your work easier.

More great content Free online course: RHEL technical overview Learn advanced Linux commands Download cheat sheets Find an open source alternative Explore open source resources Start a new document

LibreOffice Writer starts with a blank document. Most folks just begin writing, but this is also the place to create a new document from a template.

First, open the File menu, then select New and Templates. This option opens the Templates selection:

Image by:

(Jim Hall, CC BY-SA 4.0)

The Templates selection dialog shows the different templates available on your system. The default LibreOffice Writer installation includes templates for different kinds of business letters, resumes, and other documents. You can browse the list or narrow the results with the filter options at the top of the dialog.

Image by:

(Jim Hall, CC BY-SA 4.0)

Click on the template you want and click Open to start a new Writer document using this template. Some templates include boilerplate text or other sample material you can use to get started in your new document. For example, the Modern business letter consists of this "lorem ipsum" sample text:

Image by:

(Jim Hall, CC BY-SA 4.0)

Other document templates just give you a starting point in an empty document with some nice-looking defaults. For example, the Modern document template uses a sans-serif font (such as Carlito on Linux systems) for the text body:

Image by:

(Jim Hall, CC BY-SA 4.0)

Download a template

You can download a suitable document template from LibreOffice's website if you don't find the template you're looking for in the built-in choices. Navigate to LibreOffice Extensions to start working with the LibreOffice extensions and templates library.

Image by:

(Jim Hall, CC BY-SA 4.0)

Enter a search term in the box to find the document template you need. For example, students might search for "APA" to find document templates already set up for APA style, a common style for academic papers.

Image by:

(Jim Hall, CC BY-SA 4.0)

Wrap up

If you need to write a document, explore the LibreOffice templates to find one that works for you. Using templates means you spend less time setting up a document to look a certain way and instead get to work faster. Look for other document templates in the LibreOffice extensions and templates library that support your work.

Get started writing on Linux in a flash by using a LibreOffice template.

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Original photo by jetheriot. Modified by Rikki Endsley. CC BY-SA 2.0.

LibreOffice What to read next How to make LibreOffice templates to save time This work is licensed under a Creative Commons Attribution-Share Alike 4.0 International License. Register or Login to post a comment.