The sysfs tag has no wiki summary.
13
votes
4answers
367 views
How do I learn what I can do with /proc and /sys
I'd like to know more about the advanced uses of the /proc and /sys virtual filesystems, but I don't know where to begin. Can anyone suggest any good sources to learn from? Also, since I think sys has ...
6
votes
3answers
152 views
Why does rsync fail to copy files from /sys in Linux?
I have a bash script which uses rsync to backup files in Archlinux. I noticed that rsync failed to copy a file from /sys, while cp worked just fine:
# rsync /sys/class/net/enp3s1/address /tmp
...
5
votes
1answer
286 views
How does systemd-tmpfiles work?
I'm trying to change the value of /sys/bus/usb/devices/4-3/power/wakeup at every boot (4-3 according to my lsusb, it's the keyboard ID).
The default value is:
# cat ...
1
vote
2answers
53 views
Is there a generic approach to automatically make some sysfs controls ch{own,mod} user-accessible?
My current primary question motivator:
$ ls -l /sys/devices/platform/samsung
total 0
-rw-r--r-- 1 root root 4096 27. jaan 14:17 battery_life_extender
drwxr-xr-x 3 root root 0 19. jaan 18:40 leds
...
1
vote
0answers
103 views
How to retrieve sysfs devpath of a USB flash drive given its corresponding partition sysfs path?
I have a USB flash drive connected to a hub. Its storage device partition devpath in sysfs is /devices/pci0000:00/0000:00:12.2/usb6/6-1/6-1.2/6-1.2:1.0/host10/target10:0:0/10:0:0:0/block/sdb/sdb1. I ...
1
vote
0answers
200 views
Settings value in /sys/devices/platform/i8042/serio1/serio2/speed as no effect
I'm following this tutorial to ajust the TrackPoint speed for my Lenovo T420. However, setting a value in /sys/devices/platform/i8042/serio1/serio2/speed has no effect.
The trackpoint is unaffected ...
