Questions tagged [udev]
Udev is a Linux process that manages device file entries under /dev
1,137 questions
0 votes
0 answers
24 views
How can I automatically set some CPU parameters (via `/sys/devices/system/cpu/...``) when the system boots?
DISTRO: Fedora 41 KDE GOAL: Im trying to automatically set some cpu parameters (per-CPU max frequency, governors, energy policy, etc.) during my boot process. I wrote a script to do this (it lives at /...
3 votes
2 answers
65 views
Is changed LVM device info not fully updated in kernel? Any workaround? Is this a bug?
My system is working just fine. The questions at the end of all this are; does the kernel keep a cache of device information; is it possible for it to be only partly updated, leaving a mix of new &...
- 31
3 votes
1 answer
146 views
Removable media mounting strategies
I'm working my way through understanding more about unix/linux and how the various tools/packages/options interact with one another (for example, the role of systemd, or how fstab works). I'm also ...
- 33
1 vote
1 answer
57 views
Changing HID device type
I bought this lovely old Macally iBall Pro and I have it setup well in Ubuntu 22.04 using xinput to configure middle button emulation and scrolling with a button. Like so: xinput set-prop "12&...
- 51
2 votes
1 answer
644 views
Linux auto-mounting USB with UDev
My task is to have a custom mount point and for the mount itself to happen automatically. that is, the device is connected, a folder with its name is created in some place (/mnt/usb/{name}) and the ...
- 21
1 vote
0 answers
68 views
How to authorize de-authorized usb device
I am following this article to deauthorized usb: https://www.kernel.org/doc/Documentation/usb/authorization.txt The command I used for de-authorization is sudo sh -c 'echo 0 > /sys/bus/usb/devices/...
- 21
12 votes
1 answer
1k views
How to force drives to be on a predictable device name
I have a computer, running Debian 12, that is equipped with 2 RDX (from dead Tandberg / Overland company) cartridge drives. One is an internal SATA, and one is an external USB. They are cartridge ...
- 337
2 votes
0 answers
317 views
DRM: Artificially simulating a monitor Disconnect+Reconnect event, or a HOTPLUG uevent
Is there a way to simulate a physical HDMI cable unplugging and replugging on a Linux system running Xorg with AMDGPU driver? In my Xfce system on X11, I have trouble with monitor output/connector ...
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