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I'm using tar to back-up data from my android tablet to laptop. But it is showing some error.

ravbholua@ravbholua-Aspire-5315:/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/9$ tar -cvf /media/ravbholua/f34890dd-20d2-4d78-92c9-1de7c0957f00/jackal.tar .
./
tar: ./33: Cannot open: Operation not supported
tar: ./34: Cannot open: Operation not supported
tar: ./35: Cannot open: Operation not supported
tar: ./36: Cannot open: Operation not supported
tar: ./37: Cannot open: Operation not supported
tar: ./38: Cannot open: Operation not supported
./50/
./50/62/
tar: ./50/209: Cannot open: Operation not supported
tar: ./50/210: Cannot open: Operation not supported
tar: ./50/211: Cannot open: Operation not supported
tar: ./50/216: Cannot open: Operation not supported
tar: ./50/217: Cannot open: Operation not supported
tar: ./50/218: Cannot open: Operation not supported
./50/236/
./50/249/
tar: ./50/903: Cannot open: Operation not supported
tar: ./50/904: Cannot open: Operation not supported
tar: ./50/905: Cannot open: Operation not supported
tar: ./50/906: Cannot open: Operation not supported
tar: ./50/907: Cannot open: Operation not supported

ravbholua@ravbholua-Aspire-5315:/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/9$ sudo tar -cvf /media/ravbholua/f34890dd-20d2-4d78-92c9-1de7c0957f00/jackal.tar .
[sudo] password for ravbholua: 
tar: .: Cannot stat: Permission denied
tar: Exiting with failure status due to previous errors

(I'm unable to take back-up from nautilus even as clear from this thread)

(I would like to add that the file names aren't displayed clearly in my laptop for the android files in the terminal. I've this thread regarding this.)

EDIT

I used rsync command but the same error.

ravbholua@ravbholua-Aspire-5315:/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50$ rsync -avz ./ ~/Dow*
sending incremental file list
./
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1078": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1079": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1080": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1081": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1082": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1083": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1085": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1086": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1087": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1088": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1089": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1090": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1091": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1094": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1103": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1154": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1155": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1156": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1157": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1158": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1159": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1160": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1161": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1162": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1171": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1172": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1278": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1279": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1280": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1282": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1283": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1284": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1285": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1286": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1287": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1397": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1398": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1399": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1400": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1401": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1402": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1403": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1404": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1405": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1406": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1407": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1408": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1409": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1501": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1512": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1635": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1645": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1646": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1647": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1650": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1655": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1656": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1657": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1660": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1661": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1662": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1663": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1664": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1665": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1666": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1667": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1668": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1669": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1670": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1671": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1675": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1676": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/209": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/210": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/211": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/216": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/217": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/218": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/2841": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/2842": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/2849": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/2850": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/2851": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/3118": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/903": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/904": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/905": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/906": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/907": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/910": Operation not supported (95)
1096/
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1096/1102": Operation not supported (95)
1636/
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1636/1637": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1636/1638": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1636/1639": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1636/1640": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1636/1641": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1636/1642": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1636/1643": Operation not supported (95)
rsync: send_files failed to open "/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/50/1636/1644": Operation not supported (95)
236/
249/
62/

sent 2096 bytes  received 1916 bytes  2674.67 bytes/sec
total size is 2364535131  speedup is 589365.69
rsync error: some files/attrs were not transferred (see previous errors) (code 23) at main.c(1070) [sender=3.0.9]
share|improve this question
    
What are these files? file ./50/217 for example. This looks like these aren't actual files, they may be device files of some sort, but that's just a guess. If these are device files you could tell tar to exclude them via tar --exclude .... –  slm May 30 at 13:43
    
@slm they're the actual files. Using sudo also didn't work. –  Ravi May 31 at 14:54
1  
Can you show the output of file ./50/217? –  slm May 31 at 15:55
    
@slm Sorry for the delay. It is an image file (.jpg). –  Ravi Jun 20 at 1:38
    
@slm I've to copy all my files (photos & videos especially) from tablet to laptop so that I can reset my tablet to company default as I'm facing issues with tablet. But I'm finding no way to do so that will retain the time stamp of the files which (time stamp is too important). –  Ravi Jun 20 at 1:42

1 Answer 1

Yes, I've got the solution. See there were 2 options for connecting tablet. 1) Media device (MTP) 2) Camera (PTP)

I'd been using the 1st one where via command line I was failing to do & via GUI, I wasn't able to retain the time stamp. This option uses mtp to connect. enter image description here

Then yesterday, it stroked my mind & I connected via the 2nd option , i.e. camera. Now via GUI (shotwell software), I was able to import the files. Then in nautilus, I found it was connected not via mtp but gphoto2. enter image description here

Now I was able to use the command line & copy via cp -a retaining the time stamp & it worked. Now I know all command line commands like tar will work as with any external HDD or pen-drive. A great relief!

share|improve this answer
    
@slm please look at the solution. I've got a way. –  Ravi Jun 22 at 7:41

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