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

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294 views

What is the difference between /dev/tty* and /dev/bus/usb/001/002?

When I plug in a device that uses the LUFA USB framework (or any USB<->serial peripheral), Ubuntu creates a /dev/ttyACM* device file. It also creates a /dev/bus/usb/001/002 file and a ...
2
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1answer
144 views

Usb udev rule never worked for me

I try to have a USB device recognized as being part of my user group. So I don't have to issue a sudo during development time when I debug my program which access those devices. Especially painful ...
2
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1answer
795 views

Identify udev subsystems and devtypes

I have to write a python script to monitor for usb mass storage devices. To successfully filter the required media it must be identified by its subsystem and DEVTYPE. Does anyone know the required ...
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1answer
353 views

Multiseat in Ubuntu 13.10

I have a Ubuntu 13.10 Desktop machine with one Intel Integrated graphic card and one PCI graphic card.I want to implement Multiseat (2 seats) configuration with own set of keyboards, mice, and ...
0
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1answer
274 views

Why does my udev rule run several times?

I want to when I plug an usb device to my laptop, a script will be run just one time. So I use the udev rules system in UBUNTU 12.04. I wrote the below udev rule: ACTION=="add", SUBSYSTEMS=="usb", ...
0
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1answer
275 views

How to require mount with password of other internal hdd partitions for all mount-style applications (with udev)

I am trying to block access to other partitions with different file systems on the same physical hdd (layout: gpt) by preventing any partition mounting without requiring a password. FSTAB takes care ...
2
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0answers
325 views

Ubuntu Server 12.04: Boot hangs with error "udevd[538] inotify_add_watch(…) failed: invalid argument

I'm currently faced with the following situation: when rebooting a Ubuntu 12.04 LTS server after updating (it ran perfectly for a year or so, I updated it around two months ago and rebooted with no ...
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1answer
813 views

auto rip CD with morituri (or launch custom script on CD insert)

How can I automaticaly start ripping my CD when I insert a CD. There used to be a custom command option in the settings where you could run a custom command on CD insert. The I could use a bash script ...
2
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0answers
255 views

LVM logical volumes do not activate on boot on 13.10

I am running an UbuntuGNOME 13.10 and I set it up without an LVM during the installation process. I am now running it with to encrypted partitions, one is containing a LVM. This all works fine, ...
0
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1answer
613 views

udev + xrandr to set display gamma when plugging in a display works briefly, but gets overridden

I'm using a script like this to set the gamma values of my laptop screen and external monitor: #!/bin/bash export DISPLAY=:0 export XAUTHORITY=/home/peat/.Xauthority xrandr --output LVDS1 --gamma ...
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0answers
508 views

How to store LXC container's files in another folder

Well the answer seems to be given on https://help.ubuntu.com/13.04/serverguide/lxc.html#lxc-hostsetup page under Using a separate filesystem for the container store title but it doesn't work for me. ...
2
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1answer
1k views

udev rules seem ignored; can not prevent modem manager from grabbing device

I am trying to prevent modem manager from running when I plug my cell phone into a USB port. I have tried to add a custom rule with udev, but my custom rules seem ignored. I created a file ...
1
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1answer
544 views

Automatically disable mouse acceleration whenever mouse is plugged

I have a laptop and I often use a Logitech G5 mouse with it. I don't like acceleration while using the mouse. Thus I have to disable the acceleration every time I plug the mouse. Is there a way to ...
1
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1answer
225 views

Connect K8055n Experiment Board to Ubuntu

I purchased a K8055n Velleman Experimental Board and for some reason every program I run or if I try to access the board I get the following error: Could not open the k8055 (port:0) Please ensure ...
0
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1answer
6k views

Huawei e173s 3G USB dongle won't switch into modem mode

Output of lsusb | grep Huawei is Bus 003 Device 003: ID 12d1:1c0b Huawei Technologies Co., Ltd. E173s 3G broadband stick (modem off) I've checked if usb_modeswitch is set up properly as per ...
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2answers
801 views

Doubts about symbolic link Printer Brother all-in-one [Solved]

I have a doubt and confusion regarding symlinks on settings of "Brother MFC-660CN printer" I installed the drivers through an installation file of the website Brother The file is ...
1
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1answer
1k views

USB Mount Autorun a script using udev

I've spent a lot more time than I was expecting and was hoping I could get some help debugging. My goal is to sync files between my documents and my usb drive as soon as it is mounted. I've ...
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1answer
2k views

For pulseaudio what does tsched do (and what are the defaults)?

If I modify /etc/pulse/default.pa and change this line: load-module module-udev-detect to: load-module module-udev-detect tsched=0 I am clearly disabling tsched. Similarly if I change the line ...
0
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1answer
97 views

UDEV: how to match SYMLINK during remove event?

I am using libusb to contact with a printer. And I am writing a rule for udev to remove the printer when it is disconnected. I use symlink to indicate the device. But when removing, the rule is not ...
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2answers
437 views

Why would 70-persistent-net.rules have no effect?

I've got a saucy server with a lot of NICs and they end up with weird names like "rename19". I know interface names can be changed by modifying the /etc/udev/rules.d/70-persistent-net.rules file. The ...
0
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1answer
3k views

Adding to a file: /etc/udev/rules.d/51-android.rules

I am a complete n00bie, so please be gentle.... I have just started using Eclipse with the Android ADT setup and I attempting to set up a device for development. I have created the following file ...
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1answer
4k views

How to detect insertion of DVD disc?

In particular, how to catch it for the purposes of automounting the DVD filesystem? Update in response to Oli's answer: udev seems to be able to detect the insertion of DVD, as demonstrated by ...
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1answer
109 views

How to run a script when I connect a device?

new Linux user here (Ubuntu 12.04)... I've been looking on google and found some scripts that would make what I'm about to ask easier but what I would like to do is write a script that automatically ...
0
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1answer
289 views

Reducing the size of udev filesystem

I have this line in the output of df -h: udev 16G 4.0K 16G 1% /dev What is this thing doing? Do I need it, and if not, how can I reduce the size of it? As far as I know, this ...
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1answer
458 views

Remove persistent devices from file browser list

In my file browser, it lists all the drives and devices available for browsing. There is one that is from another OS installation, and i want to remove it from the list. Hiding devices using ...
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2answers
2k views

lsusb lists Galaxy Samsung Tab s2 & adb devices lists nothing

really, I do all my efforts to run an android project through eclipse on a tablet "Samsung galaxy Tab s2/ GT-P3100" under Ubuntu 12.04. i add the vendor id of samsung in ~/.android/adb_usb.ini ...
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6answers
6k views

How can I tell linux kernel to completely ignore a disk as if it was not even connected?

Notice Please scroll down for the answer (it has 0 points but it is the correct one). The problem is solved by a patch that will be in kernel 3.12.7 and up; I hope it will back-ported to earlier ...
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2answers
4k views

Using udev to automount external HDD

I have just installed a Plex Media Server to my Linux box and am happy with the idea of the server. My problem is the fact that Plex is not discovering ANY of the files on my external hard drive. The ...
3
votes
3answers
2k views

Problem with `notify-send`

I have been working in a script to change audio output when you (dis)connect am HDMI screen/TV. Basically it uses UDEV to check any change in the connection and acts accordingly. Everything works ...
2
votes
1answer
263 views

udev held back by apt-get while using ondrej systemd PPA

For probably about a month now, udev has been held back by apt-get when running apt-get updgrade. The following packages have unmet dependencies: udev : Depends: sysv-rc (>= 2.88dsf-24) but ...
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1answer
603 views

How can I detect unknown/unapproved devices with udev?

I'm designing a security sensitive setup for a client. The situation is as follows: Sensitive information has to be stored on a server that might be accessed by unauthorized personnel. There is no ...
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0answers
197 views

Why doesn't my udev rule work? [closed]

I created a file /etc/udev/rules.d/60.alsa.rules with the following content: KERNEL=="0000:00:1b.0", SUBSYSTEM=="pci", ATTR{label}=="Realtek High Definition Audio Device", ATTR{vendor}=="0x8086", ...
0
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1answer
552 views

Ubuntu Server: Udev automount - can't unmount this USB drive. Any Idea?

I use Ubuntu Server 12.04.03 LTS (without GUI) and wrote an udev rule: KERNEL=="sd?1", SUBSYSTEMS=="usb", ATTRS{product}=="Mass Storage Device", RUN+="/bin/mount /dev/%k /mnt/usbdrive" This is ...
0
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1answer
246 views

Upgrade to the latest LTS ubuntu server

I've the old OS installed in our server and I needed to install nodejs on the process I was required to update the system so I did apt-get update and in the process it breaks the libudev library and I ...
1
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1answer
996 views

ADB cannot see my tablet (Pipo S1)

I am unable to access my tablet (Pipo S1) through adb - after running adb devices, there are no devices visible. USB debugging is enabled, and I have tried 2 different USB ports and cables. I was ...
1
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1answer
2k views

Auto-unmount USB drive

I used to work for a long time with ubuntu 10.10 and I changed to a recent machine so I had to move to Ubuntu 13.04. One feature I'm now missing is the auto umount of usb drives. I've not been able to ...
0
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1answer
444 views

Auto backup when USB Drive inserted

If this is not the best place to post this question, can you please direct me to a more appropriate place to post this. What I am trying to do: I have a USB drive, it is fat32 and its name is ...
0
votes
1answer
418 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
votes
1answer
421 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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1answer
912 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
2k 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 ...
10
votes
2answers
4k views

Prevent a specific USB device from auto-mounting

I want to stop a USB device from automounting in Ubuntu 13.04. For example, when I connect my iPhone 5 to my desktop I am consistently prompted for what I want to do (whether or not I want to erase ...
3
votes
2answers
6k 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
253 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
1k 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 ...
1
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2answers
217 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) ...
0
votes
1answer
214 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
6k 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 ...
2
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1answer
163 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 ...
0
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1answer
339 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 ...