Category Archives: ubuntu

usb ntfs drive mounting as read-only in Ubuntu

ntfs usb drive mounted on Ubuntu 16.04  but access is read-only

dmesg command shows:

[ 7841.139989] scsi 13:0:0:0: Direct-Access WD My Passport 25E1 1019 PQ: 0 ANSI: 6
[ 7841.140448] scsi 13:0:0:1: Enclosure WD SES Device 1019 PQ: 0 ANSI: 6
[ 7841.142162] sd 13:0:0:0: Attached scsi generic sg2 type 0
[ 7841.142458] ses 13:0:0:1: Attached Enclosure device
[ 7841.142691] ses 13:0:0:1: Attached scsi generic sg3 type 13
[ 7841.142771] sd 13:0:0:0: [sdb] Spinning up disk...
[ 7847.595418] .ready
[ 7847.595909] sd 13:0:0:0: [sdb] 1953458176 512-byte logical blocks: (1.00 TB/931 GiB)
[ 7847.596347] sd 13:0:0:0: [sdb] Write Protect is off
[ 7847.596356] sd 13:0:0:0: [sdb] Mode Sense: 47 00 10 08
[ 7847.596724] sd 13:0:0:0: [sdb] No Caching mode page found
[ 7847.596733] sd 13:0:0:0: [sdb] Assuming drive cache: write through
[ 7847.693638] sdb: sdb1
[ 7847.694887] sd 13:0:0:0: [sdb] Attached SCSI disk
[ 7848.180642] ntfs: volume version 3.1.

sudo apt install ntfs-3g

remount the usb and drive is accessible

mount network usb (router) drive and share with raspberry pi

plug hard rive into router

In the router html interface

“Advanced”/”USB Port” share with samba   username=xxx  password=yyy   device = defaulted to usb1_1  directory = Router  rights=read+write

remember to enable Samba (tick box)

On network computer (pi)

sudo mkdir /mnt/Router (if it doesn’t exist)

sudo chown -R pi:pi /mnt/Router

sudo mount -t cifs -o username=xxx,password=yyy,uid=pi //192.168.sss.fff/xxx  /mnt/Router

BACKUP /etc/fstab to fstab.bak  THEN  sudo gedit /etc/fstab and add line :

//192.168.1.fff  /mnt/Router username=xxx,password=yyy,uid=pi,gid=pi 0 0

sudo mount -a   (to then run the fstab file) (add it to bottom of .bashrc file to automount as boot of fstab occurs before network available.

Installing a Windows XP VirtualBox on Ubuntu 14.04 with Guest Additions SHARE

sudo apt-get install virtualbox-qt (or whatever its called)

create a new virtual machine, insert windows DVD and install windows as a virtual machine

  1. in the virtual machine (i.e. windows) under  Devices  select  insert guest additions CD. Guest Additions appears in the windows taskbar.
  2. install the windows guest additions virtual CD by right clicking it.  Windows will restart when installed.
  3. Under windows machine->session information Guest Additions is shown with a version.
  4. On the HOST (Ubuntu) select a folder to share via the Virtual Box Manager Settings.
  5. REBOOT windows
  6. Under Computer (NOT Network) there should be a mapped drive available, e.g.   SharedFolder (\\vboxsrv) (E:)

There is NO NEED to install guest additions on Ubuntu from what I can tell (although I did that first so cannot be totally sure).  They are after all called GUEST additions.

To install the USB device:

On Ubuntu host command prompt

sudo usermod -G vboxusers -a <user>
REBOOT or log off Ubuntu to let change take effect.

On the host it is best to create a usb filter for the usb device that needs adding so that Windows doesn’t try to use all usbs (can be problems with Windows suddenly getting/losing control of usb devices without shutting down correctly):
Screenshot from 2015-10-23 20:35:40

use lsusb command to get the information about the usb devices