New answers tagged embedded
You can add a timestamp to the script: #!/bin/sh timestamp=$(date%F-%k%M) wget http:xxx.myftp.org:2322/add/test.tar.gz -O /path/to/local/save/test.$timestamp.tar.gz tar -zxvf test.$timestamp.tar.gz -C / rm test.$timestamp.tar.gz Adjust as needed.
You don't need to modify the kernel to just it just once; you can override it. Unplug the device modprobe ftdi_sio echo 0403 6001 >/sys/bus/usb-serial/drivers/ftdi_sio/new_id Plug in the device And your device should work. Your other alternative is to use the bind sysfs interface; I suggest using lsusb -t to figure out the correct path+interface in ...
Little bit confusing. fork is a system call which creates a new process by copying the parent process' image. After that if child process wants to be another program, it calls some of the exec family system calls, such as execl. If you for example want to run ls in shell, shell forks new child process which then calls execl("/bin/ls"). If you see two ...
The GPIO interface seems to be built for system (uid root) use only and doesn't have the features a /dev interface would for user processes. This includes creation permissions. In order to allow user processes (including daemons and other system services) access, the permissions need to be granted by a root process at some point. It could be an init script, ...
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