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20150824-1 选题
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Great Open Source Collaborative Editing Tools
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================================================================================
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In a nutshell, collaborative writing is writing done by more than one person. There are benefits and risks of collaborative working. Some of the benefits include a more integrated / co-ordinated approach, better use of existing resources, and a stronger, united voice. For me, the greatest advantage is one of the most transparent. That's when I need to take colleagues' views. Sending files back and forth between colleagues is inefficient, causes unnecessary delays and leaves people (i.e. me) unhappy with the whole notion of collaboration. With good collaborative software, I can share notes, data and files, and use comments to share thoughts in real-time or asynchronously. Working together on documents, images, video, presentations, and tasks is made less of a chore.
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There are many ways to collaborate online, and it has never been easier. This article highlights my favourite open source tools to collaborate on documents in real time.
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Google Docs is an excellent productivity application with most of the features I need. It serves as a collaborative tool for editing documents in real time. Documents can be shared, opened, and edited by multiple users simultaneously and users can see character-by-character changes as other collaborators make edits. While Google Docs is free for individuals, it is not open source.
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Here is my take on the finest open source collaborative editors which help you focus on writing without interruption, yet work mutually with others.
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----------
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### Hackpad ###
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Hackpad is an open source web-based realtime wiki, based on the open source EtherPad collaborative document editor.
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Hackpad allows users to share your docs realtime and it uses color coding to show which authors have contributed to which content. It also allows in line photos, checklists and can also be used for coding as it offers syntax highlighting.
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While Dropbox acquired Hackpad in April 2014, it is only this month that the software has been released under an open source license. It has been worth the wait.
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Features include:
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- Very rich set of functions, similar to those offered by wikis
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- Take collaborative notes, share data and files, and use comments to share your thoughts in real-time or asynchronously
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- Granular privacy permissions enable you to invite a single friend, a dozen teammates, or thousands of Twitter followers
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- Intelligent execution
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- Directly embed videos from popular video sharing sites
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- Tables
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- Syntax highlighting for most common programming languages including C, C#, CSS, CoffeeScript, Java, and HTML
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- Website: [hackpad.com][1]
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- Source code: [github.com/dropbox/hackpad][2]
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- Developer: [Contributors][3]
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- License: Apache License, Version 2.0
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- Version Number: -
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----------
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### Etherpad ###
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Etherpad is an open source web-based collaborative real-time editor, allowing authors to simultaneously edit a text document leave comments, and interact with others using an integrated chat.
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Etherpad is implemented in JavaScript, on top of the AppJet platform, with the real-time functionality achieved using Comet streaming.
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Features include:
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- Well designed spartan interface
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- Simple text formatting features
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- "Time slider" - explore the history of a pad
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- Download documents in plain text, PDF, Microsoft Word, Open Document, and HTML
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- Auto-saves the document at regular, short intervals
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- Highly customizable
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- Client side plugins extend the editor functionality
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- Hundreds of plugins extend Etherpad including support for email notifications, pad management, authentication
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- Accessibility enabled
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- Interact with Pad contents in real time from within Node and from your CLI
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- Website: [etherpad.org][4]
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- Source code: [github.com/ether/etherpad-lite][5]
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- Developer: David Greenspan, Aaron Iba, J.D. Zamfiresc, Daniel Clemens, David Cole
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- License: Apache License Version 2.0
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- Version Number: 1.5.7
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----------
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### Firepad ###
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Firepad is an open source, collaborative text editor. It is designed to be embedded inside larger web applications with collaborative code editing added in only a few days.
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Firepad is a full-featured text editor, with capabilities like conflict resolution, cursor synchronization, user attribution, and user presence detection. It uses Firebase as a backend, and doesn't need any server-side code. It can be added to any web app. Firepad can use either the CodeMirror editor or the Ace editor to render documents, and its operational transform code borrows from ot.js.
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If you want to extend your web application capabilities by adding the simple document and code editor, Firepad is perfect.
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Firepad is used by several editors, including the Atlassian Stash Realtime Editor, Nitrous.IO, LiveMinutes, and Koding.
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Features include:
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- True collaborative editing
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- Intelligent OT-based merging and conflict resolution
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- Support for both rich text and code editing
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- Cursor position synchronization
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- Undo / redo
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- Text highlighting
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- User attribution
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- Presence detection
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- Version checkpointing
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- Images
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- Extend Firepad through its API
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- Supports all modern browsers: Chrome, Safari, Opera 11+, IE8+, Firefox 3.6+
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- Website: [www.firepad.io][6]
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- Source code: [github.com/firebase/firepad][7]
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- Developer: Michael Lehenbauer and the team at Firebase
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- License: MIT
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- Version Number: 1.1.1
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----------
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### OwnCloud Documents ###
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ownCloud Documents is an ownCloud app to work with office documents alone and/or collaboratively. It allows up to 5 individuals to collaborate editing .odt and .doc files in a web browser.
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ownCloud is a self-hosted file sync and share server. It provides access to your data through a web interface, sync clients or WebDAV while providing a platform to view, sync and share across devices easily.
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Features include:
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- Cooperative edit, with multiple users editing files simultaneously
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- Document creation within ownCloud
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- Document upload
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- Share and edit files in the browser, and then share them inside ownCloud or through a public link
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- ownCloud features like versioning, local syncing, encryption, undelete
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- Seamless support for Microsoft Word documents by way of transparent conversion of file formats
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- Website: [owncloud.org][8]
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- Source code: [github.com/owncloud/documents][9]
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- Developer: OwnCloud Inc.
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- License: AGPLv3
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- Version Number: 8.1.1
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----------
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### Gobby ###
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Gobby is a collaborative editor supporting multiple documents in one session and a multi-user chat. All users could work on the file simultaneously without the need to lock it. The parts the various users write are highlighted in different colours and it supports syntax highlighting of various programming and markup languages.
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Gobby allows multiple users to edit the same document together over the internet in real-time. It integrates well with the GNOME environment. It features a client-server architecture which supports multiple documents in one session, document synchronisation on request, password protection and an IRC-like chat for communication out of band. Users can choose a colour to highlight the text they have written in a document.
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A dedicated server called infinoted is also provided.
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Features include:
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- Full-fledged text editing capabilities including syntax highlighting using GtkSourceView
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- Real-time, lock-free collaborative text editing through encrypted connections (including PFS)
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- Integrated group chat
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- Local group undo: Undo does not affect changes of remote users
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- Shows cursors and selections of remote users
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- Highlights text written by different users with different colors
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- Syntax highlighting for most programming languages, auto indentation, configurable tab width
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- Zeroconf support
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- Encrypted data transfer including perfect forward secrecy (PFS)
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- Sessions can be password-protected
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- Sophisticated access control with Access Control Lists (ACLs)
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- Highly configurable dedicated server
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- Automatic saving of documents
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- Advanced search and replace options
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- Internationalisation
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- Full Unicode support
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- Website: [gobby.github.io][10]
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- Source code: [github.com/gobby][11]
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- Developer: Armin Burgmeier, Philipp Kern and contributors
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- License: GNU GPLv2+ and ISC
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- Version Number: 0.5.0
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----------
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### OnlyOffice ###
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ONLYOFFICE (formerly known as Teamlab Office) is a multifunctional cloud online office suite integrated with CRM system, document and project management toolset, Gantt chart and email aggregator.
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It allows you to organize business tasks and milestones, store and share your corporate or personal documents, use social networking tools such as blogs and forums, as well as communicate with your team members via corporate IM.
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Manage documents, projects, team and customer relations in one place. OnlyOffice combines text, spreadsheet and presentation editors that include features similar to Microsoft desktop editors (Word, Excel and PowerPoint), but then allow to co-edit, comment and chat in real time.
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OnlyOffice is written in ASP.NET, based on HTML5 Canvas element, and translated to 21 languages.
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Features include:
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- As powerful as a desktop editor when working with large documents, paging and zooming
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- Document sharing in view / edit modes
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- Document embedding
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- Spreadsheet and presentation editors
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- Co-editing
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- Commenting
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- Integrated chat
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- Mobile applications
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- Gantt charts
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- Time management
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- Access right management
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- Invoicing system
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- Calendar
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- Integration with file storage systems: Google Drive, Box, OneDrive, Dropbox, OwnCloud
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- Integration with CRM, email aggregator and project management module
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- Mail server
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- Mail aggregator
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- Edit documents, spreadsheets and presentations of the most popular formats: DOC, DOCX, ODT, RTF, TXT, XLS, XLSX, ODS, CSV, PPTX, PPT, ODP
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- Website: [www.onlyoffice.com][12]
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- Source code: [github.com/ONLYOFFICE/DocumentServer][13]
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- Developer: Ascensio System SIA
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- License: GNU GPL v3
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- Version Number: 7.7
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--------------------------------------------------------------------------------
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via: http://www.linuxlinks.com/article/20150823085112605/CollaborativeEditing.html
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作者：Frazer Kline
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译者：[译者ID](https://github.com/译者ID)
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校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](https://linux.cn/) 荣誉推出
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[1]:https://hackpad.com/
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[2]:https://github.com/dropbox/hackpad
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[3]:https://github.com/dropbox/hackpad/blob/master/CONTRIBUTORS
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[4]:http://etherpad.org/
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[5]:https://github.com/ether/etherpad-lite
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[6]:http://www.firepad.io/
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[7]:https://github.com/firebase/firepad
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[8]:https://owncloud.org/
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[9]:http://github.com/owncloud/documents/
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[10]:https://gobby.github.io/
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[11]:https://github.com/gobby
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[12]:https://www.onlyoffice.com/free-edition.aspx
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[13]:https://github.com/ONLYOFFICE/DocumentServer
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@ -0,0 +1,25 @@
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Linux about to gain a new file system – bcachefs
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================================================================================
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A five year old file system built by Kent Overstreet, formerly of Google, is near feature complete with all critical components in place. Bcachefs boasts the performance and reliability of the widespread ext4 and xfs as well as the feature list similar to that of btrfs and zfs. Notable features include checksumming, compression, multiple devices, caching and eventually snapshots and other “nifty” features.
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Bcachefs started out as **bcache** which was a block caching layer, the evolution from bcache to a fully featured [copy-on-write][1] file system has been described as a metamorphosis.
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Responding to the self-imposed question “Yet another new filesystem? Why?” Kent Overstreet replies with the following “Well, years ago (going back to when I was still at Google), I and the other people working on bcache realized that what we were working on was, almost by accident, a good chunk of the functionality of a full blown filesystem – and there was a really clean and elegant design to be had there if we took it and ran with it. And a fast one – the main goal of bcachefs to match ext4 and xfs on performance and reliability, but with the features of btrfs/xfs.”
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Overstreet has invited people to use and test bcachefs out on their own systems. To find instructions to use bcachefs on your system check out the mailing list [announcement][2].
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The file system situation on Linux is a fairly drawn out one, Fedora 16 for instance aimed to use btrfs instead of ext4 as the default file system, this switch still has not happened. Currently all of the Debian based distros, including Ubuntu, Mint and elementary OS, still use ext4 as their default file systems and none have even whispered about switching to a new default file system yet.
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--------------------------------------------------------------------------------
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via: http://www.linuxveda.com/2015/08/22/linux-gain-new-file-system-bcachefs/
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作者：[Paul Hill][a]
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译者：[译者ID](https://github.com/译者ID)
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校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](https://linux.cn/) 荣誉推出
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[a]:http://www.linuxveda.com/author/paul_hill/
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[1]:https://en.wikipedia.org/wiki/Copy-on-write
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[2]:https://lkml.org/lkml/2015/8/21/22
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Basics Of NetworkManager Command Line Tool, Nmcli
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================================================================================
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### Introduction ###
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In this tutorial, we will discuss NetworkManager command line tool, aka **nmcli**, in CentOS / RHEL 7. Users who are using **ifconfig** should avoid this command in Centos 7.
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Lets configure some networking settings with nmcli utility.
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#### To get all address information of all interfaces connected with System ####
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[root@localhost ~]# ip addr show
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**Sample Output:**
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1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN
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link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
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inet 127.0.0.1/8 scope host lo
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valid_lft forever preferred_lft forever
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inet6 ::1/128 scope host
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valid_lft forever preferred_lft forever
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2: eno16777736: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
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link/ether 00:0c:29:67:2f:4c brd ff:ff:ff:ff:ff:ff
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inet 192.168.1.51/24 brd 192.168.1.255 scope global eno16777736
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valid_lft forever preferred_lft forever
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inet6 fe80::20c:29ff:fe67:2f4c/64 scope link
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valid_lft forever preferred_lft forever
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#### To retrieve packets statistics related with connected interfaces ####
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[root@localhost ~]# ip -s link show eno16777736
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**Sample Output:**
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#### Get routing configuration ####
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[root@localhost ~]# ip route
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Sample Output:
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default via 192.168.1.1 dev eno16777736 proto static metric 100
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192.168.1.0/24 dev eno16777736 proto kernel scope link src 192.168.1.51 metric 100
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#### Analyze path for some host/website ####
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[root@localhost ~]# tracepath unixmen.com
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Output will be just like traceroute but in more managed form.
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### nmcli utility ###
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**Nmcli** is a very rich and flexible command line utility. some of the terms used in nmcli are:
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- **Device** – A network interface being used.
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- **Connection** – A set of configuration settings, for a single device you can have multiple connections, you can switch between connections.
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#### Find out how many connections are available for how many devices ####
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[root@localhost ~]# nmcli connection show
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#### Get details of a specific connection ####
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[root@localhost ~]# nmcli connection show eno1
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**Sample output:**
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#### Get the Network device status ####
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[root@localhost ~]# nmcli device status
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----------
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DEVICE TYPE STATE CONNECTION
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eno16777736 ethernet connected eno1
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lo loopback unmanaged --
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#### Create a new connection with “dhcp” ####
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[root@localhost ~]# nmcli connection add con-name "dhcp" type ethernet ifname eno16777736
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Where,
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- **Connection add** – To add new connection
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- **con-name** – connection name
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- **type** – type of device
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- **ifname** – interface name
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This command will add connection with dhcp protocol.
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**Sample output:**
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Connection 'dhcp' (163a6822-cd50-4d23-bb42-8b774aeab9cb) successfully added.
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#### Instead of assigning an IP via dhcp, you can add ip address as “static” ####
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[root@localhost ~]# nmcli connection add con-name "static" ifname eno16777736 autoconnect no type ethernet ip4 192.168.1.240 gw4 192.168.1.1
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**Sample Output:**
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Connection 'static' (8e69d847-03d7-47c7-8623-bb112f5cc842) successfully added.
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**Update connection:**
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[root@localhost ~]# nmcli connection up eno1
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Again Check, whether ip address is changed or not.
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[root@localhost ~]# ip addr show
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#### Add DNS settings to Static connections. ####
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[root@localhost ~]# nmcli connection modify "static" ipv4.dns 202.131.124.4
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#### Add additional DNS value. ####
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[root@localhost ~]# nmcli connection modify "static" +ipv4.dns 8.8.8.8
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**Note**: For additional entries **+** symbol will be used and **+ipv4.dns** will be used instead on **ip4.dns**
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Put an additional ip address:
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[root@localhost ~]# nmcli connection modify "static" +ipv4.addresses 192.168.200.1/24
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Refresh settings using command:
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[root@localhost ~]# nmcli connection up eno1
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You will see, setting are effective now.
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That’s it.
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--------------------------------------------------------------------------------
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via: http://www.unixmen.com/basics-networkmanager-command-line-tool-nmcli/
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作者：Rajneesh Upadhyay
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译者：[译者ID](https://github.com/译者ID)
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||||
校对：[校对者ID](https://github.com/校对者ID)
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||||
|
||||
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](https://linux.cn/) 荣誉推出
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||||
@ -0,0 +1,74 @@
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How to create an AP in Ubuntu 15.04 to connect to Android/iPhone
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================================================================================
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I tried creating a wireless access point via Gnome Network Manager in 15.04 and was successful. I’m sharing the steps with our readers. Please note: you must have a wifi card which allows you to create an Access Point. If you want to know how to find that, type iw list in a terminal.
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If you don’t have iw installed, you can install iw in Ubuntu using the command sudo apt-get install iw.
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After you type iw list, look for supported interface section, where it should be a entry called AP like the one shown below:
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Supported interface modes:
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* IBSS
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* managed
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* AP
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* AP/VLAN
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* monitor
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* mesh point
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Let’s see the steps in detail
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||||
1. Disconnect WIFI. Get a an internet cable and plug into your laptop so that you are connected to a wired internet connection
|
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1. Go to Network Icon on the top panel -> Edit Connections then click the Add button in the pop-up window
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1. Choose Wi-Fi from the drop-down menu
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1. Next,
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||||
|
||||
a. Type in a connection name e.g. Hotspot
|
||||
|
||||
b. Type in a SSID e.g. Hotspot
|
||||
|
||||
c. Select mode: Infrastructure
|
||||
|
||||
d. Device MAC address: select your wireless card from drop-down menu
|
||||
|
||||
|
||||
|
||||
1. Go to Wi-Fi Security tab, select security type WPA & WPA2 Personal and set a password
|
||||
1. Go to IPv4 Settings tab, from Method drop-down box, select Shared to other computers
|
||||
|
||||
|
||||
|
||||
1. Go to IPv6 tab and set Method to ignore (do this only if you do not use IPv6)
|
||||
1. Hit the “Save” button to save the configuration
|
||||
1. Open a terminal from the menu/dash
|
||||
1. Now, edit the connection with you just created via network settings
|
||||
|
||||
VIM editor:
|
||||
|
||||
sudo vim /etc/NetworkManager/system-connections/Hotspot
|
||||
|
||||
Gedit:
|
||||
|
||||
gksu gedit /etc/NetworkManager/system-connections/Hotspot
|
||||
|
||||
Replace name Hotspot with the connection name you have given in step 4
|
||||
|
||||
|
||||
|
||||
1. Change the line mode=infrastructure to mode=ap and save the file
|
||||
1. Once you save the file, you should be able to see the wifi named Hotspot showing up in the list of available wifi networks. (If the network does not show, disable and enable wifi )
|
||||
|
||||
|
||||
|
||||
1. You can now connect your Android phone. Connection tested using Xioami Mi4i running Android 5.0 (Downloaded 1GB to test speed and reliability)
|
||||
|
||||
--------------------------------------------------------------------------------
|
||||
|
||||
via: http://www.linuxveda.com/2015/08/23/how-to-create-an-ap-in-ubuntu-15-04-to-connect-to-androidiphone/
|
||||
|
||||
作者：[Sayantan Das][a]
|
||||
译者：[译者ID](https://github.com/译者ID)
|
||||
校对：[校对者ID](https://github.com/校对者ID)
|
||||
|
||||
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](https://linux.cn/) 荣誉推出
|
||||
|
||||
[a]:http://www.linuxveda.com/author/sayantan_das/
|
||||
Loading…
Reference in New Issue
Block a user