1
vote
1answer
40 views

Access NMEA reference clock and GPS position simultaneously

I noticed two approaches to get an accurate time from GPS (with PPS). Using ntpd either with NMEA reference clock or Shared Memory Driver My problem: I want to have a very accurate time and access ...
2
votes
1answer
334 views

Multi-Generation Snapshots using Device Mapper (Linux)

LVM is an amazingly useful tool, however, it seems to still lack support for snapshotting a drive that is already a snapshot. I made a script to handle this automatically but ran into some troubles. ...
0
votes
4answers
145 views

List all devices of system [closed]

In my understanding linux can list only those devices which it can understand, i.e. for which the drivers have been installed. I think lspci is the command for that. But how can one figure out if ...
1
vote
2answers
120 views

File of modules list in linux

I want to know where is the file which lists all modules in Linux kernel package for specific device ID ? and where is that file (path)? pci.ids and usb.ids contain the device ID and name of device ...
1
vote
2answers
105 views

Directly Formatting a Device on a Linux System

I've just 'inherited' a system that consists of a bunch of Linux servers (running Ubuntu, but probably not important) that uses iSCSI devices. These show up as /dev/sdb, /dev/sdc etc. when you log ...
3
votes
2answers
7k views

What is mdev and how to /dev/* nodes get created in Linux?

Our Linux kernel is 2.6.31 running on an embedded MIPS processor with busybox. The initialisation script (rcS) starts mdev with: echo "/sbin/stbhotplug" > /proc/sys/kernel/hotplug mdev -s Can ...