Hi,
I'm in deep frustration. After `dd if=/dev/null of=/file.iso', I may not mount usb-stick. for copying a data (directories) into the stick. I did `fdisk', inspect:
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root@debian:~# fdisk -l /dev/sdb
Disk /dev/sdb: 7.4 GiB, 7900845056 bytes, 15431338 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: B9CE4505-2CC9-4A28-AFE5-6D007A023AB2
Device Start End Sectors Size Type
/dev/sdb1 2048 4196351 4194304 2G Linux filesystem
/dev/sdb2 4196352 8390655 4194304 2G Linux filesystem
/dev/sdb3 8390656 12584959 4194304 2G Linux filesystem
/dev/sdb4 12584960 15431304 2846345 1.4G Linux filesystem
root@debian:~#
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trying:
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root@debian:~# mount -v /dev/sdb /mnt
mount: wrong fs type, bad option, bad superblock on /dev/sdb,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail or so.
root@debian:~#
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root@debian:~# dmesg | tail
[ 185.804756] sdc: sdc1 sdc2
[ 185.808865] sd 3:0:0:0: [sdc] Attached SCSI removable disk
[ 186.401256] ISO 9660 Extensions: Microsoft Joliet Level 3
[ 186.404465] ISO 9660 Extensions: Microsoft Joliet Level 3
[ 186.443255] ISO 9660 Extensions: RRIP_1991A
[13607.893806] perf interrupt took too long (2501 > 2500), lowering kernel.perf_event_max_sample_rate to 50000
[27577.987872] sdb: sdb1 sdb2 sdb3 sdb4
[27578.241862] sdb: sdb1 sdb2 sdb3 sdb4
[28133.919005] usb 4-1: USB disconnect, device number 4
[38340.049258] sdb: sdb1 sdb2 sdb3 sdb4
root@debian:~#
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Prompt, what is need doing, for utilis the usb-stick.
Thank.
gdsi11
gdsi11@aol.com