mmis1000@mmis1000-G1-7528:/$ sudo mount -v -t auto /dev/sdb /mnt/usb
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.
mmis1000@mmis1000-G1-7528:/$ dmesg | tail
[222360.104360] [<ffffffff81215209>] vfs_write+0xa9/0x1a0
[222360.104362] [<ffffffff812162e5>] SyS_pwrite64+0x95/0xb0
[222360.104365] [<ffffffff81823cb6>] entry_SYSCALL_64_fastpath+0x16/0x75
[264163.432450] EXT4-fs (dm-3): mounted filesystem with ordered data mode. Opts: (null)
[264175.092701] EXT4-fs (dm-3): mounted filesystem with ordered data mode. Opts: (null)
[308187.628708] docker0: port 2(vethc440c46) entered disabled state
[308187.628864] veth1198d27: renamed from eth0
[308189.223042] docker0: port 2(vethc440c46) entered disabled state
[308189.223886] device vethc440c46 left promiscuous mode
[308189.223889] docker0: port 2(vethc440c46) entered disabled state
mmis1000@mmis1000-G1-7528:/$ mount -t vfat /dev/hdb# /mnt/usb
mount: only root can use "--types" option
mmis1000@mmis1000-G1-7528:/$ sudo mount -t vfat /dev/hdb# /mnt/usb
mount: special device /dev/hdb# does not exist
mmis1000@mmis1000-G1-7528:/$ sudo mount -t vfat /dev/sdb /mnt/usb
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.