Ubuntu :: Simulate A Floppy Drive With User Read Write
Sep 17, 2010
I have a computer with no floppy drive (x64 ubuntu lucid installed) I have a program (wine windows xp) that will only save data and export data from/to a floppy drive. I found information on setting up an emulated floppy drive. i.e.
sudo dd bs=512 count=2880 if=/dev/zero of=imagefile.img
sudo mkfs.msdos imagefile.img
sudo mount imagefile.img /media/floppy -o loop
I modified the winecfg to include under the drive section A: /media/floppy. Problem is I cannot write to the drive as a normal user. I have tried everything I know but only root can read write to the drive. Is there someway to set up this emulated floppy to allow me as a user to write and read contents.
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Feb 19, 2010
I am trying to write a floppy boot image to my floppy drive (as root):
Code:
dd if=boot.img of=/dev/fd0
dd: opening `/dev/fd0': Read-only file system
[code]....
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Jan 7, 2010
so i have a limited user (my dad) on Jaunty who has no write access to his floppy disks. Nautilus gives a permission denied error, and i discovered that root owns the floppy drive, thus allowing his read-only. (that write tab on the floppy in on btw). However, when i login as a admin, nautilus says that user has write access. ??? I check the user's user privliges and everything exept "administer the system" is checked. I can copy files on it by logging in as root.
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May 1, 2011
I currently discovered a problem when using the floppy drive /dev/fd0: I can't use it. I can mount /dev/fd0 as normal, can create/write a file, but it is not written to the floppy disk. Instead of that the current program (eg vim) hangs (or is "uninterruptable") until I remove the floppy disk from the drive. Because of the removal I get several errors in /var/log/messages. What I'm doing:
== snip ==
mount /dev/fd0 /mnt
echo "TEST" > /mnt/test
sync [--> HANG until I remove the floppy disk]
[sync "completes"/terminates, insert floppy disk]
umount /mnt
== snap ==
(In this example I used echo instead of vim, because it behaves the same in this situation) The errors I get are as follows:
[Code]...
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Oct 24, 2010
Not sure if anyone uses floppy drives anymore much. I know that most machines don't come with them anymore unless you ask for one.One of my machines [Machine # 2] has a floppy and I have never had the occaision to use it under linux [opensuse 11.2 currently]. Until now that is! I have about 30 floppies that I need to transfer the data from. I am able to mount the floppy drive and take data off the currently inserted floppy, but if I want to insert another floppy and remove the data from it, I must unmount and remount the floppy everytime. There is an entry in fstab:
/dev/fd0 /media/floppy auto noauto,user 0 0
and a mount point in media [/media/floppy] Is there something else I need to have in the fstab line for the floppy so that it will read automatically everytime I insert a disk?
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Dec 13, 2009
Is there something weird about the FLOPPY DRIVE on F12? Nothing associated with it works & I can't get an icon for it. Also the FLOPPY FORMATTER no longer works. (mine is an internal drive)- I had some really miner quirks with it in 10 but it worked. I had some workaround launchers that I used until an upgrade semi-fixed it. (It would give a false error that it couldn't run but did. I just ignored it.)
I tried to edit FSTAB to cure a problem of my BACKUP drive showing up twice*** so while I was in there I added the stuff for the floppy & it still doesn't work. If I try to mount it manually, I get the error that /dev/fd0 doesn't exist.I tried to find some info on it & it SEEMS that there MAY be a bug but I'm not sure as the info is a bit confusing as to just what version & such they are talking about. And there was also the problem that all the stuff seemed to be OLD or not related to my problem.I why I quite hacking at my system, is that all my workaround launchers & the formatter say that there are GNOME things missing & they can't run. So I figure that there is something missing or screwy already & that I'd better ask BEFORE I make things worse or actually break something.With the fact that floppies are about gone, it's getting to be not that big of a deal but I still find myself having to use them for repair purposes (albeit, not as much) & it gets to be a bit of a pain to fire up M$ just to do something like this.
*** It appears that the one in FSTAB was the one I needed, so where would the OTHER one be so I can get rid of it? Or at least make it auto mount.
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Sep 23, 2009
I am having a Promise TX4650 RAID controller & trying to create a driver floppy for installing the drivers. Also am using RHEL 5, I can create the driver floppy, but when I type "mount /dev/fd0 /media/floppy" I get error: "mount: mount point /media/floppy does not exist".Can I get the files in a format other than the ext2 floppy image, so that we do not need to use a floppy drive?There is a readme file inside the driver archive & you can use that as a reference.
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Mar 22, 2011
I am not the best with Linux but at the same time like to think I am not the worst, Anyways like stated above my dvd drive is saying its read only and i would like to make it read/write here is some info:
*-disk
description: ATA Disk
product: ST3500418AS
vendor: Seagate
physical id: 0.0.0
bus info: scsi@0:0.0.0
logical name: /dev/sda
version: CC46
serial: 9VMRTLT1
size: 465GiB (500GB)
Capabilities: partitioned partitioned:dos
Configuration: ansiversion=5 signature=0005ce96
*-cdrom
description: DVD reader
product: DVD-ROM SD-M1612
vendor: TOSHIBA
physical id: 0.0.0
bus info: scsi@5:0.0.0
logical name: /dev/cdrom
logical name: /dev/dvd
logical name: /dev/scd0
logical name: /dev/sr0
version: 1806
capabilities: removable audio dvd
configuration: ansiversion=5 status=nodisc .....
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Feb 4, 2011
allow specific user permission to read/write my folder
I have a folder called /TAR/Sketch
I added a new user, named Snoopy, I want to grant this user the ability to add files & directories to this folder which is under the group Sketches and the owner is me.
How can I accomplish this ?
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Apr 6, 2010
I've got a bare bones Ubuntu 10.04 set up (xorg, openbox, usbmount). My (vfat32) stick drive mounts, and I can see what is in the one directory on the drive, but I can't write to the drive unless I use sudo. I tried the obvious step of attempting to change permissions on the drive..
Code:
keith@quiet:~$ sudo chmod -R 777 /media/usb0
[sudo] password for keith:
[code]...
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Jun 7, 2009
error message:Unable to scan Floppy Drive for media changes Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
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Apr 6, 2010
After installing the "fuse" and "fuse-ntfs-3g" packages, my ntfs formatted thumb drive mounts read only, as follows:# mount.../dev/sdb1 on /media/disk type fuseblk (rw,noexec,nosuid,nodev,allow_other,default_permissions,blksize=4096)
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Jan 18, 2010
I'm setting up Ubuntu Karmic on my sister's old computer for my nephew, he's quite young so my sister asked to install some content filtering. I'll first setup an OpenDNS account and I've installed and managed to get dansguardian and squid working on a virtual machine to try it out. so far it's working pretty well, but I need to secure it form the inside out.
I was thinking of blocking specific outbound ports so he could not bypass the proxy. because by default the firefox configuration can be easily changed. so I have a couple of questions.
1. is it possible to block outgoing ports on Ubuntu?
2. is that the best method?
3. is there anything else I should be aware of to prevent subversion?
lastly, this question is probably unrelated to this board but I've set up a cron job to update a dynamic ip with OpenDNS, the problem is that the password is in clear text in the user's crontab, can I play with permissions? is it possible to run the job under a root account and deny read/write access to a normal user?
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Nov 28, 2010
I am new to writing shell scripts. So, please bare with me. I am currently trying to write a shell script which will read the directory path as input from user and will traverse the Dir tree to find all available audio and video files. I have tried to write as much as I could but I don't know where I am making mistake as I get some files to be audio file which are actully tar balls. On the second note there are some files which video but script shows them to be audio. And, some video files are completely skipped. I am giving the shell script below so that you can see. I am using two external files as source which I am attaching.
Code:
#!/bin/bash
#Let's load the extensions that we want to search for
vdExt=$(cat vdExtList)
adExt=$(cat adExtList)
[code]....
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Oct 11, 2010
Unless your distro has taken care of it Centos 5.5, you'll need to create a user with a password and read/write privileges for program database. You can do this using the MySQL command line client if you are familiar with it. Well I am not familiar with it, so I wam wondering how to do it. As well when I run
mysql - p program </usr/share/program/mysql.sql>
It asks for a password. how do i find out this password.
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Oct 7, 2010
I try
mount -t ntfs -o rw /dev/sdb1 /mnt/exthdd
it doesn't give me any response so I presume it succeeded but when I try to touch it, it tells me it's a read-only file system
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Mar 31, 2010
I am using sun micro system. We have installed fedora in that. I want to know how to give R/W permission to a external hdd...
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Oct 6, 2010
I want to simply mount an ext4 file-system onto a normal mount point in Ubuntu (/media/whereever), as read-writable for the current logged-in user, i.e. me.
I don't want to add anything into /etc/fstab, I just want to do it now, manually. I need super-user privileges to mount a device, but then only root can read-write that mount. I've tried various of the mount options, added it into fstab, but with no luck.
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Apr 23, 2011
I Have Configure Samba server in Centos, I need give permission like for some user(5User) can able to read and write the particular folder, and again i need give some another user(6user) can only read permission for same folder.
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Aug 6, 2010
On one of my machines the DVD/DVDRW/CDROM drive appears as /dev/hdc and is not identified as an optical drive by HAL. It is owned by root: disk and thus no users get permission to read/write in the device (not even those in the cdrom group). This stops playing DVDs, ripping CDs, no notifications appear when a disk is inserted, etc. etc. When I set the permissions for all to read/write from the device then users can access but still no notifications are shown.
On all my other machines the optical drive is identified as /dev/sr0 and is owned by root:cdrom . All have Slack 13.1 . Previously with Slack 12.2 this machine still had the drive in /dev/hdc but the permissions were right (I think because I added it to /etc/fstab with options for users to access it). I believe the problem is down to HAL not setting this drive to the correct group, but how do I fix it? I hate HAL, it has a mind of its own, just like in the scifi movie
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Jul 20, 2009
I am trying to install the reiserfs drivers to read/write to my external drive. But keep getting command not found. Although the system can get man pages for modprobe.
modprobe reiserfs
bash: modprobe: command not found
I also need to know how to add myself to the sudoers file. I have already tried visudo but this has not worked.
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Nov 7, 2010
i was trying to figure out a way to write my own linux commands.. in fact i wanted to write a shell script to simulate an already existed linux commands like 'cd','ls' and'adduser'i just dont know the language of scriptting and even doesnt know the steps to make a script
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Jan 4, 2011
I have installed a cable that connects from the CPU's SATA motherboard connection to a removable drives' ESATA connection.I would like to be able to swap drives on the ESATA connection and have all users be able to read and write to these drives.I have created the directory /archive/ where I would like the drive(s) to mount.The drives are all formatted Fat 32 - but in the future I may use HFS for formatting.When I used the command (as root):mount /dev/sdc1 /archivethe drive was mounted (but read only)What can I use in my /etc/fstab file that will allow drives to be mounted and unmounted by all users on the system? (both reading and writing)Also, will I be able to mount and unmount these drives without shutting down? or will I need to reboot every time I want to change drives?
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Jan 12, 2011
I have a floppy I could read in 7.1. I just installed 10.04 and cannot read the disk. In the home places panel, it recognizes the floppy but when I put the curser on it, it says "mount and read disk". When I left click, nothing happens. When I right click, menu options include "open" and "identify media" When I click on these, nothing happens. I have "fdutils" installed. Best I can tell, that is the only floppy software installed.
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Dec 16, 2010
i borrowed an external hard drive from my friend to back up a load of stuff on my windows partition before reinstalling it. I am doing this through ubuntu. I am trying to zip up folders like My Documents etc and chuck them on the external hard drive but it always comes up with errors to do with read/write permissions. In the permissions tab on the folder properties of the ext hard drive it says I am owner but i have no file access (only folder access is create and delete files). When i try to give myself read/write permission it just goes straight back to nothing when i look at it again.
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Feb 15, 2010
I want to simulate a bad block or sector on a drive or even a virtual drive image to test my data recovery distro. I wish I would have bookmarked when I read about it before. It was some type of low level command, I remember something about scsi subsystem or kernel thingabob.
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Feb 19, 2010
I am trying to write a floppy boot image to my floppy drive (as root):
dd if=boot.img of=/dev/fd0
dd: opening `/dev/fd0': Read-only file system
But it is mounted as rw in my fstab:
[code]...
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Jan 8, 2011
I'm trying to read contents of a floppy disk, can't even find the disk, much less contents.
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Sep 29, 2010
OS: Windows XP
Virtual Machine: Bochs-2.4.5
I want to learn some details about linux booting, so I begin writing a small boot program myself. Yesterday, I was writing a small boot program and planned to use it boot a Bochs virtual machine. The boot program is written in assembly language and compiled with nasm.I use bxiamge.exe in Bochs and create an floppy image called boot.img and configure the Bochs virtual host to boot from this floppy image. My question is how to write the compiled boot.bin program into the floppy image(boot.img)?
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Jul 29, 2009
to access my floppy from Fedora 11. It is mounted automatically,but when i try to open it by double-clicking, I just get "already mounted" message.I need to retrieve my old menu.lst which is on the floppy. It will then need to be edited to include Fedora.
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