The kernel's device manager, responsible for the contents of /dev.

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All effects on my desktop have stopped working (UDEV problem?)

Yesterday I upgrade my system (currently running 12.04 with kernel updates from the PPA), and there has been a problem with the update of udev see below for the console output. Setting up udev ...
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1answer
257 views

udev rule for cdma modem is not working

The udev rule i've written for CDMA modem is SUBSYSTEM=="tty", ATTRS{bInterfaceNumber}=="00", ATTRS{bNumEndpoints}=="03", ATTRS{product}=="ZTE CDMA Tech", ACTION=="add", SYMLINK+="CDMAModem" and $ ...
2
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1answer
318 views

Custom udev rules won't work

I'm trying to set a custom udev to set the /dev/sd** mount point for all 6 HDDs on my system. I've been trying to get it to work, but it just wont. I need to get this sorted because my drives seem to ...
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0answers
191 views

Restored Ubuntu VM on VMWare hangs at init: udev-fallback-graphics

We have an Ubuntu server VM on a VMWare cluster that we back up every night. We're testing a restore today and have found that the VM hangs on boot at: init: udev-fallback-graphics main process ...
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1answer
605 views

Why /dev/disk/by-id/ change after a suddenly server power-off?

I'm management a server that in /etc/fstab have references to some partitions using /dev/disk/by-id/DISK_ID-partN. The server suddenly power-off and DISK_ID part of /dev/disk/by-id/DISK_ID-partN ...
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0answers
59 views

Udev alternates between correct and incorrect network configuration on subsequent reboots

I'm currently experiencing a problem that seemingly lies with udev in Ubuntu 12.04. I have numerous machines in the lab I am managing, all of which have been cloned from a single original master ...
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0answers
1k views

USB drives not recognized all of a sudden (module usb_storage not loading)

I am very close to the solution, just need to know how to get usb-storage to load I have tried most of the advice on askubuntu and other sites, usb_storage enable to fdisk -l. But I am unable to ...
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1answer
4k views

How do I make udev rules work?

I would like to learn udev rules. Here is what I do: victor@X301A1:~$ ls /etc/udev/rules.d/ 70-persistent-cd.rules 70-persistent-net.rules README Then: victor@X301A1:~$ sudo gedit ...
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1answer
175 views

In Ubuntu 12.04, /dev/.udev/db no longer exists

Prior to Ubuntu 12.04 the udev database was available and updated at /dev/.udev/db but in 12.04 and greater, the directory /dev/.udev/ exists but the database doesn't. Does anyone know where it went?
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1answer
984 views

Why is this udev rule blocking?

Here is a rule from my /lib/udev/rules.d directory: SUBSYSTEM=="input", ATTRS{idVendor}=="045e", ATTRS{idProduct}=="008c", RUN+="/home/mikeknoop/scripts/udev-receiver.sh" Here is the simple contents ...
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2answers
158 views

Persistent device naming for Windows 7-partition in Ubuntu

I'd like to give the Windows partition of my Ubuntu installation a persistent device name, so different applications (like the local folder-account of my email software, or my local dropbox client) ...
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1answer
155 views

External HDD automatically get back after safe remove

This is weird! I use udisks --detach /dev/sdb for safely remove my hard disk. after 2 sec hard drive automatically mounted and nautilus window pops up. This is output of udevadm monitor --udev. UDEV ...
2
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1answer
4k views

Fail to mount on boot

I have just created a Ubuntu server and all is working well however at boot I receive the following error message which is causing problems. I am running Ubuntu Server 12.04 Here is the error any ...
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113 views

why my rule in udev/rules.d does not set the mode and group

jardag@precise-GiB:~$ lsusb Bus 001 Device 006: ID 15ba:002a Olimex Ltd. ARM-USB-TINY-H JTAG interface jardag@precise-GiB:~$ cd /dev/bus/usb crw-rw-r-- 1 root root 189, 0 Apr 4 21:13 001 crw-rw-r-- 1 ...
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1answer
234 views

Disable all USB Storage Devices except USB Dongle

I need to disable all USB storage devices except a software Protection Dongle. How do I do it? I tried black listing the USB storage device, but that seems to block ALL usb devices including the ...
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2answers
488 views

Phone not getting detected in DDMS in Ubuntu 12.04 - 32bit

I am using Ubuntu 12.04 32 bit. I have a Micromax Ninja A87 Android phone running GB 2.3.5. My problem is the phone does not get detected. When I try on a Windows 7 PC, it does get detected. Here are ...
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432 views

Problems booting in recovery mode with Ubuntu 12.10

This is what I get when I boot into recoverymode: udevd[369]: timeout: killing '/sbin/modprobe/ -bv pci:v00001002d00006738sv0000174 Bsd0000174Bbc03sc00i00' [374] It shows multiple times.
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187 views

Udev: no takes rule for gps

I'm trying to create a udev rule for a GPS. I tried several ways but can not get the device to be captured by the rule: lsusb: Bus 002 Device 007: ID 067b:2303 Prolific Technology, Inc. PL2303 ...
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0answers
347 views

How do I mount a USB hard drive to an arbitrary mount point?

I just upgraded my system with an SSD from a hard drive. Loads faster. But, I left all of my large media files on my hard drive. Currently, I have a SATA optical bay caddy on order, but in the ...
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1answer
53 views

How can my app request sudo permissions when installed from the Software Center?

I have written a USB over IP server for Ubuntu and want to deploy it via the Ubuntu Software Center However for the app to run, it requires sudo access to udev files. Is there anyway to get sudo ...
2
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1answer
218 views

How to create udev event that runs a command for mx510 usb mouse?

I have Logitech mx510 mouse which uses 400cpi resolution by default. I want to set it to 800cpi automatically. How can i set a udev rule that runs lomoco -8 when I plug in the mouse?
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3answers
2k views

How are key codes mapped to the appropriate action?

After figuring out how to change the mapping of scan codes to key codes using udev, see this question, I was wondering how those key codes (or events if you will) are mapped to the appropriate action. ...
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0answers
272 views

Can Ubuntu be used with an alternative to udev (reason increased boot speed)?

I think that udev can be a wonderful thing, since it really manages that the same Ubuntu system will boot up on virtually "every"(*) hardware setup. So I do really apreciate udev. Still I think it ...
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3answers
9k views

How to disable udev net rule generation?

In our cloud, we generate MACs with the prefix 2c:c2:60 for instances. When we re-use an instance, or duplicate it, the new copy gets another MAC address. When the new copy boots, the NIC gets the ...
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1answer
203 views

Do I need to umount USB drive before unplugging it when using udev?

Ubuntu 12.04.1 LTS I'm about to set up udev rules to automatically mount/umount an external USB drive when plugged or unplugged. I'm concerned that by using udev to automatically unmount the ...
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1answer
3k views

Cannot mount/see/access USB-device - ttyUSB0

I am trying to connect to a GPS sport watch (similar to Garmin watches). I am running Ubuntu 12.04, 64bit. Ideally, I would like to connect the watch to one of the OS sport softwares like turtle sport ...
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1answer
299 views

Udev rule gets matched twice with a smartphone in storage mode

I have a problem with an udev-rule, that gets matched always twice when i connect my device. I wouldn't ask here if was not very sure that i made up an absolutely correct rule. I think the problem is ...
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0answers
236 views

Failing to upgrade udev on 12.04 armhf (beagleboard)

I have just tried an usual update+upgrade today on my beagleboard and it fails as below: cprov@beagle-one:/var/lib/dpkg$ sudo apt-get upgrade Reading package lists... Done Building dependency tree ...
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5answers
27k views

How to make keyboard backlight Fn buttons work in Samsung Series 9?

I've just installed Ubuntu 12.10 on my Samsung 900X4C. However, I can't get the keyboard backlights to work. I added the keymaps as per community docs - Samsung Series 9 (section Function Keys). But ...
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2answers
744 views

Can I prevent an IDENTIFY PACKET DEVICE command to a specific device at boot?

This is related to a previous question related to installation that is now resolved. I'm opening a new question, because I still need to get my DVD drive working. Problem: Failed boot when my ASUS ...
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1answer
1k views

How do I let other users access my /media/[username]/HARDDRIVE with Ubuntu 12.10?

I am trying to let other users access my external 1TB NTFS hard drive mounted automatically at /media/[username]/STORAGE The problem is that by default, udisk2 (present with Ubuntu 12.10) ...
4
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1answer
117 views

How can I temporarily suspend Nautilus filesystem automounting, without making permanent changes to the system and user configuration?

I have written a tool which automatically formats and copies files to USB flash drives when they are inserted. It needs the drive to be unmounted to format it. Normally Nautilus will automatically ...
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1answer
389 views

udev to ignore disk partition mapping?

is it possible to disable partition mapping on specific SATA disk? I'm using ,say "sdb", disk for DRBD replication where KVM VM is installed directly. Because of that, /dev/sdb got partitions and ...
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1answer
251 views

Creating floppy drive special devices under Quantal

First, I'd like for the various special devices for different floppy capacities (like /dev/fd0u720 etc.) to be available. I tried to adapt some udev rules I found online. I tried this, which I saved ...
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1answer
2k views

NTFS partitions mount as root instead of user as set in /etc/fstab

I recently upgraded a server to Ubuntu 12.04 with a fresh install and my NTFS partitions won't mount as user at boot but I can mount them as user manually from the console with $ sudo mount -a. Using ...
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1answer
516 views

Can I hide a partition in Nautilus for a specific user/group?

I'm trying to hide a partition form a specific group of users in Ubuntu 12.04. I have created a new rule in /etc/udev/rules.d/99-hide-disk.rules with KERNEL="sda3",ENV{UDISKS_PRESENTATION_HIDE}="1" ...
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0answers
180 views

How do I set up dependency based startup to reconfigure the network interfaces before networking is started?

I have a system which originally ran Ubuntu 12.04 (now 12.10) on the 'real' hardware. Due to a requirement to run Windows 7 and IE9 (watching streamed movies needed Silverlight with DRM) I installed ...
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1answer
413 views

how to set owner and permission to a cryptsetup made device?

I have an encrypted loopback volume. I need to mount and umount the volume manually, so I use cryptsetup luksOpen and cryptsetup luksClose . However, under all sessions (gnome/xfce/kde/unity), when I ...
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1answer
3k views

What does udevd process do during the boot time?

Ubuntu 11.04 boot time is 80 seconds 67 of which belong to the udevd process. Here's what dmesg shows: [ 6.534288] EXT4-fs (sda5): mounted filesystem with ordered data mode. Opts: (null) [ ...
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2answers
235 views

How USB drives goes after system hard drives

I am using 12.04. My hard drives usually comes as: sda, with sudo blkid and if I plug-in any USB drive, they comes as: sdb, sdc etc; after sda. That's fine. But problem arises after I restart my ...
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2answers
1k views

What happens under the hood when an USB drive is inserted?

Some systems use udev / pmount to automatically mount thumbdrives. How is that solved in Ubuntu (specifically, Ubuntu 12.04)? Apparently, neither the pmount package nor the corresponding udev rules ...
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2answers
3k views

How do I get Ubuntu Server to recognize and automount a hotplugged SATA drive?

AHCI is on and I can manually mount but as this device is destined to be a headless device used by people with no clue about the terminal so I need something as idiotproof as possible. I expect I ...
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1answer
2k views

Udev webcam rule read, but not respected?

I have two usb-webcams on them machine, but at boot they sometimes switch /dev/video number. The solution to this problem seems to be creating a new udev rule. I have added this rule ...
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2answers
781 views

automount USB drive in VirtualBox via udev in ubuntu 12.04

How do you automount usb drives directly to VirtualBox in ubuntu 12.04
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1answer
2k views

udev rule group ownership not working

I have added a udev rule for my Arduino, but the symlink gets the ownership "root root" instead of "root dialout". $ cat /etc/udev/rules.d/47-Arduino.rules SUBSYSTEM=="usb", ATTR{idVendor}=="2341", ...
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3answers
9k views

How to get Bus and Device relationship for a /dev/ttyUSB

I need to write an script for restart USB dongles. I have all tools but I can't link my /dev/ttyUSBx to physical BUS and DEVICE. An issue is that I have three dongles with the same id vendor and id ...
3
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1answer
883 views

automatically starting crashplan backup when a usb harddisc is connected

Using CrashPlan I've configured two backup sets: online backup in crashplan's cloud (this is running perfectly) a local backup on a usb harddisc directly connected to the local laptop. The USB ...
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2answers
1k views

udev not updating usb permissions and group

I am using ubuntu 10.04 LTS - Locid Lynx. I have a requirement to set specific group and permissions for any usb stick file/directories on mount. I have tried overwriting the udev rules. Here is what ...
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1answer
3k views

What are these “unknown key 'BUS'” errors during boot?

I'm trying to optimize the boot process on my Ubuntu 12.04 laptop, and while analyzing the /var/log/boot.log file I found many unknown key 'BUS'.... How can I get rid of them? Here's the relevant ...
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1answer
377 views

Auto-run script when iPad plugged in

The way that Ubuntu handles documents on the iPad is awesome (without any configuration required). It beats windows, even with iTunes installed. I want to have the documents in certain iPad apps ...