Why do my SATA devices show up under /proc/scsi/scsi?
I have 3 SATA devices on my system. They show up under /proc/scsi/scsi, although these are not SCSI devices. Why do my SATA devices show up under the SCSI directory?
devices
Why is “nodev” in /etc/fstab so important? How can character devices be used for hacking?
I am learning about linux security and struggling to understand why a USB stick with a character device on it is potentially dangerous.
Multiple /dev/video for one physical device
First some specs: my computer is an HP EliteBook 8460p. It comes with an integrated Chicony HP HD webcam.
How can I put a bit mask on /dev/zero so that I can get bytes other than zero?
How can I put a bit mask on /dev/zero so that I can have a source not only for 0x00 but also for any byte between 0x01 and 0xFF?
How to get my USB key to auto mount
I’m currently working in a command line only environment.
Why is /dev/null a file? Why isn’t its function implemented as a simple program?
I am trying to understanding the concept of special files on Linux. However, having a special file in /dev seems plain silly when its function could be implemented by a handful of lines in C to my knowledge.
How to create /dev/null?
I deleted my /dev/null. How can I restore it?
If I connect a physical device, how can I ever know which device file belongs to it?
Say I plug in several USB drives which don’t get automatically mounted. How can I find out which device file belongs to which physical device, so I can mount it for example?
How to grant non-root user access to device files
I have device file that appears in /dev when a specific board is plugged in. The read and write operations to it work just fine, but in order to open the device file the program needs to be executed with root priveledges. Is there any way I can all a non-root user to open this one specific device file without having to use sudo?
wlan number assignment
How or where does Linux determine the assignment of a network device? Specifically, wlan0 or wlan1 for wireless USB devices.