7
votes
3answers
2k 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 ...
6
votes
1answer
1k 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 ...