Udev is a Linux process that manages device file entries under /dev

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Don't add new ethernet interfaces, use it as eth0

I have multiple ARM devices on which Debian runs. I have a single image saved from the SD Card and intent to use it on all devices. Now I have the problem, that each time the MAC address of the eth, ...
2
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1answer
73 views

UDEV: How do i use the %s{file} substitution specifier?

I'm trying to create a udev rule to name my USB devices as: Sandisk_Cruzer_16GB". How do I use the %s{file} substitution specifier with SYMLINK ? KERNEL=="sd[a-z]", SUBSYSTEM=="block", ATTR{ro}=="0", ...
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2answers
1k views

Udev rule to match multiple node USB device

I have a 3G/GPS device that creates 5 tty nodes, although it's only one physical USB connection. Basically, a multi port usb-serial adapter. I'm trying to create some udev rules to make sure those ...
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0answers
86 views

My udev Rule do not trigger when USB driver is connected

I trying to run a script each time a USB drive is connected to the Raspberry PI by using udev rules, but cannot get it to work. I have created a file in: /etc/udev/rules.d/85-usbthumb.rules ...
2
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1answer
312 views

How to set Ethernet link speed & duplex

How can I configure my Ethernet (eth0) link speed and duplex on my systemd & connman based system? I've previously used a script in /etc/network/if-up.d, in which I could make a call like: ...
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4answers
3k views

How to enable “Predictable Network Interface Names”?

I decided to check out what name my ethernet device will end up with, but contrary to other distros, Debian doesn't seem to have activated this change (or is holding it back?), * Keep the old ...
3
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1answer
636 views

Udev rule to match any usb storage device

How can I implement udev rules for any USB mass-storage device plugged in, not just for specific one? What should be changed in idVendor, and idProduct? ACTION=="add", SUBSYSTEM=="usb", SYSFS{...
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0answers
67 views

UDEV-rule:Open new gnome-terminal window on usb-plugin AND activate it for stdin/stdout/stderr?

My attempt is this: If a certain USB-device is plugged in, I want to open a gnome-terminal window in my desktop-environment. This newly opened window must be able to be interactive, this means, the ...
2
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1answer
430 views

Debian upgrade from Wheezy to Jessie fails on Amazon EC2

I have searched and read other debian upgrade threads, but my situation doesn't seem to match that described in the other questions on this topic. I have a t1.micro instance of debian running on ...
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41 views

Automatically running usb when plugged in

I want to automatically run script when usb is plugged in, and I found one solution,http://stackoverflow.com/questions/23097285/default-file-permissions-for-fat32-usb-stick-on-raspberry-pi, Default ...
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1answer
43 views

Persisting network names irrespective of network address

We are in process of developing custom linux device with unifil wifi card. Whenever we change wireless device with in device urules changing wlan index based on ATTR{address}. Is there a way to tell ...
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1answer
47 views

Weird udev rules behaviour

I am trying to get my head around how udev rules are interpreted. Context: make a USB scanner accessible to myself as non-root user (I am part of the scanner group). The following rule does not work:...
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1answer
66 views

problem with udev rules when i want to start bash script

I am trying to write udev rules, so my usb will be recognized when plugged in, and i want to run bash script, but seems that I have some problem, I think I have opened the rules file twice e.g. With ...
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0answers
31 views

SELinux policy for ifplugd and udev in Raspbian

I've recently enabled SELinux on my RaspberryPi and recieved some AVCs denials. I'm reading SEL documentation and have resolved a few of them. But I'm not sure if I did it right. So please review my ...
2
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1answer
112 views

udev power_supply rules not triggering

I know this seems to be the most commonly asked question about udev on here, but I believe I've done everything correctly and yet my rules still never get triggered. The script is executable and works ...
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0answers
87 views

How udev works when we connect USB device

Whenever, I am connecting USB device like Pen drive, Bar-code scanner, mouse etc. udev creates dynamic files in /sys/bus/usb/devices/. like 1-1, 2-1. inside these files I am getting all information ...
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0answers
49 views

xTerm and wvdial issue [UDEV]

After mounting USB modem opens xterm which connects me to the internet after some time it shuts down. -- When I'm starting sudo wvdial on normal gnome-terminal - All works without any problems. But ...
2
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1answer
164 views

How to disable USB Keyboard at run time from udev.c not from udev rules

I want to disable my USB keyboard at boot time (in some scenarios) without modifying udev rules, as I know udev rules only works when a device is attached or detached from the target. Is there any ...
3
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1answer
138 views

Determine devtype and subsystem for laptop power supplies

I'm writing a small C program on an Ubuntu machine using libudev to monitor for changes to the power supply. At this stage, I just want to successfully detect when the AC adapter is active vs. when ...
4
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1answer
88 views

Change eth settings before udev loads

I have a custom version of CENTOS that I'm importing into Hyper-V on a Windows Server. Whenever I import it however, the mac addresses of eth1 and eth2 are now different. So they get incremented to ...
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0answers
12 views

Does MATE DE have user-configurable hooks for udev events?

Does MATE DE have user-configurable hooks for udev events? I would like to disable my embedded keyboard and touchpad when external ones get connected.
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107 views

Getting the block device from an udev scsi_disk subsystem (udev C API)

I am using the udev C API to monitor connection and disconnection of SATA drives. struct udev_monitor *mon; mon = udev_monitor_new_from_netlink(udev, "udev"); ...
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30 views

External monitor script has become unreliable

I have been using the following udev rule and bash script to automatically configure my external monitor for some time now, however recently the script has become unreliable, usually doing the ...
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2answers
540 views

Udev hwdb rule does not work

I am switching from Ubuntu to Arch Linux and encountering the issue that a udev hwdb rule that has worked until now does not work anymore. The only obvious difference between the systems is that ...
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0answers
31 views

Using USB intermet through android phone rename dev name

I had a issue every time I connect my phone and enable Internet USB, the assosiated interfaces name changes like enx$(random mac). There's a way to set the name like ppp0 vía udev? I tried vía vendor ...
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4answers
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Udev : renaming my network interface

I just installed RHEL 6.3 on a Dell 1950 server. This server as two GBit ports, Gb0 and Gb1. For some obscure reason, udev chose to name Gb0 eth1 and Gb1 eth0. This is definitly not a good find for ...
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2answers
1k views

How can I change the permissions in /sys to alter the state of a LED/light using `udev`?

I've got a Thinkpad and would like to use the ThinkLight (the white flash light above the screen designed to light up the keyboard) for notifications on incoming Jabber messages. It is easy to ...
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0answers
63 views

My usb udev rule not triggering when I do echo 0 >authorized ; echo 1 >authorized

My custom rule runs a shell command when I physically plug the USB device. /etc/udev/rules.d/85-my_stk1160_pal.rules : ACTION=="add", SUBSYSTEM=="usb", ATTR{idVendor}=="05e1", ATTR{idProduct}=="0408"...
3
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1answer
4k views

Ubuntu 14.04 server: Change em1 to eth0 - no /etc/udev/rules.d/70-persistent-net.rules file

I am trying to rename one of my network interfaces from em1 to eth0. I do not have /etc/udev/rules.d/70-persistent-net.rules. I have tried to regenerate this file by running these commands: udevadm ...
8
votes
3answers
377 views

Will a usb key have the same name everytime I mount it?

I have a usb key which will be used to save data on it daily, via a bash script. I managed to mount it for a specific user to be able to write folders in it using the command mount /dev/sdc1 /media/...
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0answers
221 views

Help with udev rules my Keyboard thinks it's a Joystick

I'm running Archlinux and I have a weird problem my "Microsoft Wired Keyboard 600" gets picked up as a Joystick and a Keyboard for some reason. Note: Output trimmed ─$ xinput list Virtual core ...
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1answer
318 views

Reload network interfaces without rebooting

I'm doing a BASH script for Arch Linux in a Raspberry Pi 2. The thing is that in some point I'd like to reload the network interfaces without reboot and have my new named network interfaces (en0 and ...
3
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1answer
82 views

Is there any way to prevent a bad drive from disappearing from /dev?

I'm trying to recover a partition on a bad drive with ddrescue. I run: $ sudo ddrescue -r -1 -v /dev/sdd3 OUT.img dd_rescue_logfile and it seems to do great for a while, but after about an hour, ...
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1answer
360 views

udev+udisks2: udisksctl gives 'Error looking up object for device'

In Debian Wheezy I had a special rule for my ntfs usb hdd. When it is inserted it is mounted in /media under a specific sub-folder. ACTION=="add", SUBSYSTEMS=="usb", ATTRS{serial}=="<serial_number&...
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72 views

Starting a script when a certain usb is inserted problems

I want to start a script when a certain usb flash drive is inserted. I had a python script in my home folder "test.py", I ran lsusb and found the vendorid and productid, I went to udev and made a rule ...
4
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1answer
3k views

Udev triggers are not firing on insert of CF card into USB card reader (anymore)

I've got a udev rule that triggers a shell script that copies photos off my CF card when I insert the card into my USB card reader. This worked fine for a while. But after a recent upgrade it has ...
2
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1answer
153 views

How to make CUPS show a USB printer as disabled when it is disconnected?

I'm using CUPS on an ARM single-board computer to share a USB printer over the network. To conserve power, the printer is usually powered off via a remote-controlled power outlet and only switched on ...
3
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1answer
31 views

give group permissions to specific device

I have a panning web camera I built, (future robot arm). The camera pans via a web interface (cgi scripts and JS interface) which access an arduino. To enable sending of commands via the interface, I ...
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0answers
466 views

Can I masquerade a kernel uevent?

What I think happens From my understanding this is what happens when I connect a USB device to my computer: Kernel recognizes that I plugged in a USB device Kernel setups the very low-level things ...
2
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1answer
935 views

Udev rule not setting group

I'm trying to write a udev rule to change the group on my MSP-FET430UIF USB programmer. This is what I have so far (filename /etc/udev/rules.d/40-ti-fet430.rules): SUBSYSTEM=="usb", ATTR{idVendor}=="...
2
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1answer
165 views

Udev rule- change group

I would like to change group of /dev/nvidia0. I was write udev rule: KERNEL="nvidia[0-9]", GROUP="video", MODE="0666" But it does't change group, after reboot file is in rootgroup. How do this?
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0answers
106 views

USB 56k modem not detected

I have this USB 56k modem which I'm using to write some home automation software that will let me know when my home phone is ringing. My software works on my Ubuntu 14.04 LTS laptop, with my modem ...
0
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1answer
191 views

Device shown using lspci but udev not loading the driver

My nic shows using lspci -v but udev is not loading the driver for it. Links to screenshots of diagnostic output are below. dmesg insmod lspci pacman -Qi ls /sys/class/net uname -a original ...
1
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1answer
258 views

How to avoid duplicate connection names? (32) Connection 'Auto Ethernet' is already active on enpXXX

Is there any way that I can make networkmanager to assign some unique names or device derrived name instead of Auto Ethernet so that we can avoid the names conflict? After I've upgraded to Ubuntu ...
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0answers
204 views

Ubuntu 14.04 - Multiple Griffin Technology Powermate Knobs

I am running Ubuntu 14.04, and I want to run multiple griffin powermate knobs: https://store.griffintechnology.com/powermate. I want to map them to different keys other than audio control. I want to ...
2
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2answers
101 views

Which udev rule triggered?

a. Is it possible to find out, which udev rule triggered as soon as some USB/serial device plug-in or plug-out ? b. Is it possible to reload one specific rule out of many rules, without device replug ...
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0answers
71 views

figuring out the e “manufacturer” and “product” attributes using udev for pendrive

I saw Writing raw images safely to USB sticks On Debian though, get nada from that command :- [$] udevadm info -a -p $(udevadm info -q path -n /dev/sdb)|grep -iE "manufacturer|product" [$] I ...
1
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1answer
40 views

How to specify a specific product in udev hwdb file?

I'm trying to remap the buttons on a peripheral that incorrectly has its buttons mapped to F keys. To remedy this I'm trying to use a udev hwdb file to remap keys only on specif devices. So far my ...
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1answer
238 views

Files in folder /run/udev/data

Does someone know, when and how the files in this folder /run/udev/data are generated. I ask because I have a program, which needs udev in jail. But the version in jail is newer (version 208) than ...
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1answer
57 views

How to remap an F key on a specific Keyboard?

I have a peripheral attached that is actually not a keyboard, but all of its buttons are being treated as F keys, they all send the same scancode and keycode as the standard F keys (based of of ...