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How to scan barcode in JPEG format with zbar in Linux?

How to scan barcode in JPEG format with zbar in Linux? I am working on an embedded Linux system (kernel-5.10.24). Now I am trying to use zbar-0.23 to scan barcodes in JPEG format, but I don’t know how to do that. There is an example/scan_image.c, which can scan barcodes in PNG format, but my barcodes …

Total answers: 1

Share USB port for scanner between Ubuntu and Windows 10 through virtual box 7.0

Share USB port for scanner between Ubuntu and Windows 10 through virtual box 7.0 I bought an IRIScan 5 hoping I could use it through VBM 7.0, but this more complicated than expected. In Ubuntu, the device is detected: (base) avy@machine:~$ lsusb … Bus XXX Device XXX: ID XXXX:XXXX Microdia USB 2.0 Hub …// a …

Total answers: 1

Does 'apt update' also update nmap's scripts?

Does 'apt update' also update nmap's scripts? I’m building a Linux OVA on a VM to scan stuff with nmap. I’m using cron to keep my packages up to date: sudo apt-get update sudo apt-get upgrade sudo apt-get autoremove It’s from my understanding that nmap should be kept up-to-date with this. However, I’ve seen this …

Total answers: 1

default Ubuntu lossy photo or photos compression method

default Ubuntu lossy photo or photos compression method I prefer to backup ~/Documents to a tar file and move that tar file to a removable solid state drive. After many years of collecting data, my tar file is approximately 4 GB which is nice since I can collect about 3 of these on a 16 …

Total answers: 2

Getting an SCSI scanner to work with a USB-to-serial adapter under Linux Kubuntu?

Getting an SCSI scanner to work with a USB-to-serial adapter under Linux Kubuntu? I hope that someone can help me get my old and beloved Heidelberg scanner to work under Linux Kubuntu — or at least help me locate possible problems. The situation is as follows: I have an old SCSI scanner (Heidelberg Saphire Hires) …

Total answers: 2

Help connecting an Epson ET 2810 scanner

Help connecting an Epson ET 2810 scanner Ubuntu 20.04 Possibly need to install the following package but have no idea how to epsonscan2-bundle-6.6.42.0.x86_64.deb.tar.gz Scanner is detected bluetooth but shows as "Not set up" Scanner is detected when I run scanimage -L Attempts to scan with Document Scanner gets error message "Failed to scan" "Unable to …

Total answers: 1

simple-scan Ubuntu 22.04 : error message while saving file – ghost process

simple-scan Ubuntu 22.04 : error message while saving file – ghost process since I am using Ubuntu 22.04, simple-scan shows this error message when saving the scanned page : Failed to execute child process " " (No such file or directory). It really saves the file,actually, but simple-scan does not get the info and then …

Total answers: 2

How to manually specify document scanner IP address

How to manually specify document scanner IP address Recently fresh/clean installed from 16.04 (to 20.04), where I was able to use the document scanner app to drive my Brother document scanner. I’m trying to use the (Gnome) Document Scanner app on 20.04 and it’s saying "No scanners detected". This is likely because my scanner is …

Total answers: 1

Brother DCP-J152W – Scanner not working with Simple Scan

Brother DCP-J152W – Scanner not working with Simple Scan I have recently upgraded to Ubuntu 20.04 and the printer is working fine, but the scanner doesn’t work in document scan. I downloaded the scanner driver from the Brother site as advised, but still not working. Some suggestions would be much appreciated. Russell Asked By: Russell …

Total answers: 2

xsane scans only top of document while entire document is selected in preview

xsane scans only top of document while entire document is selected in preview I am using it with hplip software and hp deskjet 2540. When scanning lineart image: Only the top 5 cm or 2 inches is scanned while the full page is selected in preview. Don’t have this with greyscale or fullcolour scans, then …

Total answers: 4

How to create high fidelity PDFs with copyable text from scans?

How to create high fidelity PDFs with copyable text from scans? Some companies provide software for Windows with their scanners* that can create PDFs from scanned pages which look exactly like the scanned material (as if it were just full-page images) but the text is recognized and copyable. How can I create PDFs like this …

Total answers: 1

How to scan with Canon integrated scanner when I have the 'scangearmp' drivers?

How to scan with Canon integrated scanner when I have the 'scangearmp' drivers? I have created this question in order to provide an answer. The idea is that having this question on a Pixma printer I have found that many people that have the proper drivers (different depending on the model of printer-scanner, but called …

Total answers: 3

Is Scanner Canon Pixma MG2450 supported in Linux?

Is Scanner Canon Pixma MG2450 supported in Linux? The Cannon Pixma MG2450 printer has an integrated scanner that should work with a tool like Simple Scan (or Xsane, Skanlite). I have the proper drivers (provided by Canon: scangearmp-common and scangearmp-mg2400series) and I was under the impression that with them the scanner worked in the past, …

Total answers: 4

Warnings/Errors when running clamav/clamscan, scanning 3TB hard-drive

Warnings/Errors when running clamav/clamscan, scanning 3TB hard-drive What I’m trying to do: I’m trying to scan my File-Server for malware, and I’m using clamav/clamscan, where the man page say’s it can scan files up to 4GB. This man page states: –max-filesize=#n Extract and scan at most #n kilobytes from each archive. You may pass the …

Total answers: 2

S1300I scanner issues under Ubuntu 16.04 using Sane

S1300I scanner issues under Ubuntu 16.04 using Sane In theory this scanner does work under Linux and Ubuntu. I’ve found this document that I tried to follow. http://luuklangens.nl/blog/howto-fujitsu-scansnap-s1300-s300-ubuntu-linux I install sane, copy firmware, confirm the location in the config etc. Everything looks good. Potential problem areas sudo sane-find-scanner output: # sane-find-scanner will now attempt to …

Total answers: 2

Can I use the "Scan" button with SANE?

Can I use the "Scan" button with SANE? I have an HP Deskjet with integrated scanner. It has a “Scan” button on its top, but this button does not interact with the xsane program on my Debian machine: To get a page scanned, I have to initiate the scanning process from xsane. Is there a …

Total answers: 1

What do you do to scan with 600 dpi while maintaing a small output file?

What do you do to scan with 600 dpi while maintaing a small output file? I just installed xsane which I already successfully tested with my Epson Perfection V30. When scanning with these settings the output file is remarkably large. Is there a way to decrease the size, preferably by built-in settings/options in xsane? Asked …

Total answers: 1

Invalid argument – Brother scanner not working after upgrade (brscan2 driver)

Invalid argument – Brother scanner not working after upgrade (brscan2 driver) I recently upgraded Ubuntu 13.10 (Saucy). Scanning via my MFC-420CN had been working in Ubuntu and Linux Mint installs up though Olivia and Oneric. However once I upgraded from these, scanning broke. I installed a fresh copy of saucy to verify that it wasn’t …

Total answers: 5