Linux Software: Utility Program
Showing posts with label Utility Program. Show all posts
Showing posts with label Utility Program. Show all posts

November 23, 2019

Scan Barcode QR Code From Webcam & Image File in Linux

ZBar bar code reader/scanner. Software to Scan Barcode + QR Code From Webcam & Image File in Linux named ZBar. With ZBar you can decode barcode from file, decode barcode from webcam. Inspite of barcode you can also decode QR code from web camera also. This article will inform to you how to install ZBar and review about it.

Scan Barcode + QR Code From Webcam & Image File in Linux

ZBar - Bar Code Reader program is an open source software suite for reading bar codes from various sources, such as video streams, image files and raw intensity sensors. It supports EAN-13/UPC-A, UPC-E, EAN-8, Code 128, Code 39, Interleaved 2 of 5 and QR Code. These are the Python bindings for the library.

The flexible, layered implementation facilitates bar code scanning and decoding for any application: use it stand-alone with the included GUI and command line programs, easily integrate a bar code scanning widget into your Qt, GTK+ or PyGTK GUI application, leverage one of the script or programming interfaces (Python, Perl, C++) ...all the way down to a streamlined C library suitable for embedded use.

How to Install Zbar - Barcode, QR Code Reader for Linux Desktop

ZBar have been added to linux repository so that you can install directly from software center or you can install ZBar from Terminal by executing these:
sudo apt-get install zbar-tools
 
Wait until installation completed. You can't open ZBar after install because it is a Terminal based applications.

ZBar Review - Software to Scan Barcode QR Code From Camera

Because of its great function, ZBar is used by many platform. It is command line based tool, very lighweight. The facilities as follow:
  1. cross platform - Linux/Unix, Windows, iPhone®, embedded...
  2. high speed - real time scanning from video streams
  3. small memory footprint
  4. small code size - the core scanner and EAN decoder represent under 1K lines of C code
  5. not limited to images
  6. no floating point operations
  7. suitable for embedded applications using inexpensive processors/hardware
  8. modular components can be used together or separately

How to Scan Barcode / QR Code in Linux Using ZBar

We will practice to scan QR code generated from this trial (you can make a trial too or use the QR code image below to scan):
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Save QR code above as "test.png" to follow this experiment!
ZBar has some command to decode QR code or barcode as follow:
  1. man zbarimg  or  man zbarcam , used to show ZBar manual
  2. zbarimg --help  or  zbarcam --help , used to show ZBar help
  3. zbarimg --version atau zbarcam --version , used to show ZBar installed version
Go to directory where to save the "test.png" file, right click on the blank area and choose "Open in Terminal" , then decode it by typing zbarimg test.png -- You will see result as follow
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Rapid Photo Downloader - Import Photo Video From Digital Camera

Rapid Photo Downloader is a Linux software used to Import Photo and Video From digital camera or handicam also from media storage in Linux environment. This article will guide you how to install Rapid Photo Downloader and review about it.

Download Photo and Video From Camera and Storage in Linux

Rapid Photo Downloader is written by a photographer for professional and amateur photographers. Released under the GNU GPL license, it is designed for use on the Linux Desktop. It can download photos from multiple cameras, memory cards and Portable Storage Devices simultaneously. It provides many options for subfolder creation, image renaming and backup.

Rapid Photo Downloader Features

  1. Generates meaningful, user configurable file and folder names
  2. Downloads photos and videos from multiple devices simultaneously
  3. Backs up photos and videos as they are downloaded
  4. Is carefully optimized to download and back up at high speed
  5. Easy to configure and use
  6. Runs under Gnome, KDE and other Linux desktop environments
This is Rapid Photo Downloader prompt,
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This is main Window of Rapid Photo Downloader (sorry I blurred the images)

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How to Install Rapid Photo Downloader Linux Photography Software

Way 1: Rapid Photo Downloader can be installed directly from Software Center or you can install it from Terminal by executing these command:
sudo apt-get install rapid-photo-downloader
 
Way 2: Want to get newer version of Rapid Photo Downloader, install it using Rapid Photo Downloader PPA. Type in your Terminal:
sudo add-apt-repository ppa:dlynch3/ppa
sudo apt-get update
sudo apt-get install rapid-photo-downloader
 
Wait until installation completed! Now you can open Rapid Photo Downloader after install by clicking Start/Menu >> Graphics >> Rapid Photo Downloader
For many cases, for importing pictures and videos from camera you don't need to open from Start/Menu, the software will detect your camera and will prompt for you.

Rapid Photo Downloader Review to Import Picture and Video From Digital Camera in Linux

This is the best application to work with something such as Darktable without a proper photo importer. Rapid Photo Downloader prompt a notification to offer media handling when a camera, phone memory inserted to computer. With this features, you can manage video and picture easily to copy or move it.

With this software you can bring your files from the camera to the computer and renames them - all custom configurable to your taste. Well designed and not over-complicated, works perfectly.

You then need to use rawstudio for developing, gimp for any tweaks, the std file manager for arranging folders, and kb3 for archiving. NOTE: to use the newest version please use PPA above!

November 30, 2018

QtQr Software to Create and Scan QR Code in Linux

QtQr Software to Create and Scan QR Code in Linux. This application is used as QR code generator and QR Code scanner in Linux. Read completely these article below it will show you how to install QtQr, how to create QR Code and scan QR Code also review about QtQr.

QtQr Software to Create and Scan QR Code in Linux

Generate QR Code in linux is easy with this software, if you are here searching for a linux application for creating and decoding QR codes please install QtQR from the install section (you can click the External Downloads link below) or add the PPA to your Ubuntu system.

This is a Qt based software which let's you generate QR codes easily, scan an image file for QR codes and decode them or use your webcam to scan a printed one. Sound interesting? This is useful for generating URL QR codes, among other things.

How to Install QtQr in Linux Mint and Ubuntu

For Linux Mint and Ubuntu user can install QtQr by executing linux command from Terminal:
sudo apt-get install qtqr
Wait until install completed! Now you can open QtQr after install by clicking Start/Menu >> Graphics >> QtQr

QtQr Review - Linux Application to Generate QR Code

QtQr is  a small and powerful linux program for creating and scanning QR code. You can generate QR code from text, email, URL adress, phone number, sms, wifi network and many more. With single click to generate QR Code is very easy to use. Recommended QR Code creator for Linux!

How to Create QR Code in Linux With QtQr

This will demonstrate how to create QR code from URL, so that when someone scan the QR code any application will offer to visit the site. Follow these steps:
  1. Open your QtQr (Start/Menu >> Graphics >> QtQr)
  2. On main window of QtQr, Select data type to URL
  3. Enter URL to be encoded, for example use http://secnut.blogspot.com/
  4. For large QR code image, adjust the number of "Pixel Size" to 7 or more
  5. Save the QR code to your computer. Done
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How to Scan QR Code in Linux With QtQr, Desktop QR Code Reader

Now it is time to scan QR code from generated QR code above. Follow these steps to decode QR code in Linux:
  1. Run your QtQr software, hit Ctrl+O to open QR code file. Or you can drag and drop your QR code image into the software. OR you can also click the "Decode" button then choose "Decode from file". You can also decode QR Code from web camera if you have printed QR code.
  2. The result is your QtQr software offer to you to visit the website. Done!
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December 1, 2016

Resize Multiple Image Size in Linux With Converseen

How to Resize and compress image in Linux With Converseen, linux convert resize image percentage ratio. How to install Converseen and Converseen review for resizing multiple image at once!

Resize Image in Linux With Converseen

With Converseen you can convert image, resize image, rotate and flip image with numerous picture at once. Converseen is a Linux software which allows you to convert, resize, rotate and flip an infinite number of images with a mouse click in Linux and Windows.

Converseen also able to transform an entire PDF file into a bunch of images with the characteristics you prefer: you can choose one of the 100+ formats, you can set the size, resolution and the filename.

Converseen Features

  1. Carry out a single or a multiple conversion.
  2. Resize one or multiple images.
  3. Compress images for your web pages.
  4. Rotate and flip images.
  5. Rename a bunch of images using a progressive number or a prefix/suffix.
  6. Selecting a resampling filter to resize images.
  7. Convert an entire PDF to a bunch of images
  8. Extract an image from a Windows icon file (*ico)
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Converseen Review in Linux

For resizing image or picture you can do it by using two method: first, you convert resize image percentage, and second you can resize image by pixel. The result is not stretched if you tick "maintain aspect ratio".

Converseen is not only a batch picture converteer and resizer, but also includes advanced functions. For example, with Converseen you can convert an entire PDF (or some pages of that) into a bunch of images.

Converseen is very easy to use, it’s designed to be fast, practical and, overall, you can get it for free! You can always choose the dimensions and the file format in which the PDF is to be converted.

How to Install Converseen in Linux

For Linux Mint 17 above and Ubuntu 14 above users, you can install Converseen through Terminal by typing:
sudo apt-get install converseen

Another Linux Mint version can install Converseen via Terminal by executing:
sudo add-apt-repository ppa:ubuntuhandbook1/apps
sudo apt-get update
sudo apt-get install converseen
 
Notes: you have to install ImageMagick first as a dependency. Linux Mint user don't worry about this dependency because it has been installed by default.

July 31, 2016

Ways to Install KDE Partition Manager on Linux + Download

Ways to Install KDE Partition Manager on Linux + Download. Here you will know how to install KDE Partition Manager as disk manager program on Linux to edit disk partitions and brief review about that.

KDE Partition Manager for Linux - The Overview

What is the KDE Partition Manager?

KDE Partition Manager is a Linux utility program created to help you manage the disk devices, such as partitions and file systems on your computer. It allows you to easily create, copy, move, delete, resize your hard disk without losing data, backup and restore partitions. KDE Partition Manager is also available as a bootable Live CD.

KDE Partition Manager Features

  • Supports a large number of file systems, including ext2/3/4, reiserfs, NTFS, FAT16/32, JFS, XFS and more
  • Makes use of already available external programs to get its job done
This Linux partiton manager software makes use of external programs to get its job done, so you might have to install additional software (preferably packages from your distribution) to make use of all features and get full support for all file systems.

KDE Partition Manager supports a large number of file systems, including ext2/3/4, reiserfs, NTFS, FAT16/32, jfs, xfs and more. Note that to gain support for a specific file system other than ext2/3/4, you should install the corresponding suggested package.

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Ways to Install KDE Partition Manager on Linux + Download

To install KDE Partition Manager on Linux Mint, you can download and install software package from Software Center by opening Software Manager, please follow these steps completely:
  1. Click Start Menu >> Administration >> Software Manager.
  2. Then type kde partition, after finding it, double click the package then click "Install" button
  3. Wait until installation completed. Now you can open KDE Partition Manager by clicking Start Menu >> Administration >> KDE Partition Manager and the main window will show up such as picture above.
  4. OR you can install KDE Partition Manager using Linux Terminal: Open Linux Terminal by pressing Ctrl + Alt + T at the same time, then type sudo apt-get install partitionmanager

KDE Partition Manager Release Notes

This KDE Partition Manager can handle disk partition of external hard disk with  ext4 partition. Make sure available and used capacity are not printed in a partition's properties dialog if they are not known

Make sure fsck.msdos does not want to modify a file system when it is being called to read the file system usage

Warn the user when trying to overwrite an existing partition with another or an image file

Clear the clipboard if undoing an operation deleted the partition that was in it

Keep the current UUID when resizing a swap partition

June 5, 2016

Onboard Keyboard on Screen in Linux Mint

Onboard Keyboard on Screen in Linux Mint --There is a on screen keyboard software for Linux called "Onboard".

Onboard is cool and useful Linux program to show the keyboard on your screen. If your keyboard hang up suddenly and you need to type quickly then the "Onboard" is great choice.

How to Install Onboard (The Keyboard On Screen for Linux) ?

You can install Onboard directly from your Terminal or using Software Manager. From Software Manager you need to search the "onboard" then install as usual.

Meanwhile if you are using Terminal, you can install Onboard by typing this command below :
sudo apt-get install onboard

Wait until installation completed, and now you can open on screen keyboard for Linux by clicking Menu >> Universal Access >> Onboard.

You will see a keyboard on your window like these (maybe show the dark theme)

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Try to customize the theme preference by clicking on the bottom right corner (three horizontal line) to show the "Onboard Preference" --Click on the "Theme" and select the theme you want.

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On Screen Keyboard for Linux Mint ?

Yes! Linux Mint can natively display the virtual keyboard by little configuration as we will explain below:

Enable On Screen Keyboard ( Virtual Keyboard ) in Linux Mint 16/17/18 Cinnamon.

  1. To enable On-screen Keyboard, go to the cinnamon settings and launch the applets. Click Start Menu >> Preferences >> Applets >> add Accessibility to Panel
  2. See your Panel, see your Accessibility icon and the click on "Screen Keyboard" to display on screen keyboard on Linux Mint. This a native keyboard, you can not customize the theme.

April 21, 2016

Create Backup with Back In Time Linux Backup Solution

Create Linux System Backup with Back In Time Linux Backup Solution. Back In Time is a simple backup tool for Linux inspired from “flyback project” and “TimeVault”. The backup is done by taking snapshots of a set of directories. Snapshots are a copy of a directory structure or file at a certain point in time.

Snapshots are protected from accidental deletion or modification since they are read-only by default. The super-user can delete intermediate snapshots to save space, but files and directories that existed before or after the deletion will still be accessible.

Back In Time is a simple backup tool for Linux inspired from “flyback project” and “TimeVault”. The backup is done by taking snapshots of a specified set of directories.

Currently there are two GUI available for this Back In Time: Gnome and KDE 4 (>= 4.1).
All you have to do is configure:
  1. Where to save snapshot
  2. What directories to backup
  3. When backup should be done (manual, every hour, every day, every week, every month)
Now we have a backup solution software equivalent to Apple’s TimeMachine on Linux called Back In Time. The alternative applications for Linux to hande Linux data backup solution similiar to the TimeValut and FlyBack. Both of them are discontinue program so the Back In Time is the best backup solution tool for Linux today.

What is the Linux Program Called Back In Time Really ?

Keep in mind that Back In Time is just a GUI. The real magic is done by rsync (take snapshots and restore), diff (check if something changed) and cp (make hard links).

Back In Time acts as a “user mode” backup system. This means that you can backup/restore only folders you have write access to (actually you can backup read-only folders, but you can’t restore them).

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If you want to run it as root you need to use “su” (command line), “gksu” (Gnome) or “kdesudo” (KDE).

A new snapshot is created only if something changed since the last snapshot (if any).
A snapshot contains all the files from the selected directories (except for exclude patterns). In order to reduce disk space it use hard-links (if possible) between snapshots for unchanged files. This way a file of 10 MiB, unchanged for 10 snapshots, will use only 10MiB on the disk.

When you restore a file ‘A’, if it already exists on the file system it will be renamed to ‘A.backup.<current data>’.
For automatic backup it use “cron” so there is no need for a daemon, but “cron” must be running.
Starting from version 0.9.24 permissions and user/group are stored in a special file. This way you can even save/restore files from a NTFS/FAT drive without losing this informations (NOTE: FAT don’t support hard-links).

How to Install Back In Time on Linux - The Apple Time Machine Alternative

You can install this great program by adding PPA to your Linux system. Open your Terminal and type these commands, please enter one per line:
sudo add-apt-repository
ppa:bit-team/stable
sudo apt-get install backintime-gnome
 

NOTE: You can also install Back In Time from Software Center, for Linux Mint user go to Start Menu >> Administration >> Software Manager then type and search backintime, you will find it the install. But please note if you install from Software Center, you will get an older version of this software.

Now you can open Back In Time program after install on Linux by clicking Start Menu >> Administration >> Back In Time (root)

Back In Time Review Program on Linux

This is the best backup tool for the Linux system such as restore point on Windows but it is more than that. Back In Time does incremental backups so it is fast. the best thing is that the backups can be viewed with just a file browser (including older snapshots) so when disaster strikes, there is no complicated installation and configuration required to access the backups on another computer / the repaired computer.