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Are there any SD Card diagnostic utility programs out there for Ubuntu? I would like to run tests on my SD card to check capacity, write speed etc. I have one for windows but I am looking for a Linux flavor and hope to find some source code.

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2 Answers

Look for Disk Utility on you dash (as an option press Alt+F2 and type palimpsest)

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Click on the disk you want information from, to test it click on Benchmark

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To start benchmark, select Read only or Read/Write benchmark

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"disk utility" is the nice title for palimpsest –  cweiske Oct 20 '11 at 21:02
    
Hey, there are screenshots! Cant miss those! :) –  Bruno Pereira Oct 20 '11 at 21:07
    
On a german ubuntu - like mine - looking for "disk utility" does not yield any results. –  cweiske Oct 20 '11 at 21:31
    
fair enough, solved. –  Bruno Pereira Oct 20 '11 at 21:35
    
On 13.04 (raring) palimpsest was replaced with gnome-disks ("Disks" when you access it from the menu). The instructions are the same as posted by Bruno Pereira. –  user181081 Aug 3 '13 at 18:24
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capacity

$ df -h /media/sdcard

write speed

$ dd if=/dev/null of=/media/sdcard/testfile bs=10m
1xx+0 records in 1xx+0 records out 9xx bytes (9.4 GiB) copied, 34.xx seconds, 271 MB/s

dd will fill up all the space. Remove the testfile afterwards.

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What if his sd card is only 1Gb??? –  Bruno Pereira Oct 20 '11 at 20:54
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