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39

According to Raymond Chen: Why does Windows not recognize my USB device as the same device if I plug it into a different port? You may have noticed that if you take a USB device and plug it into your computer, Windows recognizes it and configures it. Then if you unplug it and replug it into a different USB port, Windows gets a bout of amnesia and ...


26

Two more things: Linux's move into enterprise & other large servers was exposing static /dev to be broken. Advancing technology, in both consumer and enterprise, was exposing static /dev as a joke. [This answer fills in more of the backstory, not particularly why devfs was replaced with udev]. Exhaustion of Major & Minor Number Space /dev files are ...


23

Those are LVM logical "devices" You can map them using: # sudo lvdisplay|awk '/LV Name/{n=$3} /Block device/{d=$3; sub(".*:","dm-",d); print d,n;}' dm-0 /dev/SysVolGroup/LogVolRoot dm-1 /dev/SysVolGroup/xen dm-2 /dev/SysVolGroup/db1-2 dm-3 /dev/SysVolGroup/db1-2swap dm-4 /dev/SysVolGroup/python1 dm-5 /dev/SysVolGroup/python1swap dm-6 ...


20

Good question. In a way, this argument could be turned around: since kernel 2.6.13 introduced a new version of uevent, it was bound to happen that devfs would need to be re-written to take advantage of the interface's new features. So, in a way, the question ought to be why the change in the kernel. However, taking it at face value, your question is ...


17

It provides access to the system's physical memory. Here's some more info on what /dev/mem is. Yes -- it could cause all sorts of problems. A reboot should fix you, but bad things can happen very easily. Be careful! :-)


14

Put a disk into the drive, wait until OS X mounts it, and then type the following command in the Terminal: $ mount [⋮] /dev/disk2 on /Volumes/MyDisk (cd9660, local, nodev, nosuid, read-only, noowners) In my case, the drive is located at /dev/disk2. You can use drutil as well. # drutil status Vendor Product Rev MATSHITA DVD-R UJ-857D ...


13

The USB bus is physically designed so that the act of inserting (and removing) a plug can be recognized by the host controller. When this "plug" event happens, the host controller informs its device driver which scans the bus and asks each device to identify itself. All USB devices contain a collection of information about the device, called the ...


13

Every device you own uses a driver to communicate with the OS. In most modern operating systems, the default built-in drivers are enough to cover a myriad of devices, such as keyboards, mice and speakers. But once in a while, a device comes along that the OS engineers haven't designed for. I.e., my Fitbit - a USB/wireless pedometer. In that case, you need ...


12

The CD's might also contain supporting software that aren't drivers per se, such as control panel applets, testing/setup/diagnostic utilites, and .PDF manuals. In some cases a device, such as a mouse, might have basic functionality covered by the base class USB driver, but may have extended functionality available if the manufacturer driver is installed. ...


10

I think APNS certificate is used for iOS MDM services per organization. Please go through how to generate MDM certificate or APNS certificate for iOS MDM service. For example airwatch ,mcafee, good-sales and so on...


10

On Linux machines, eth0 and eth1 correspond to real network ports. To add an eth2, you'll need to add another NIC, either by adding an internal PCI(e) network card, or by adding a USB network adapter. See Redhat network interface configuration. If all you want is another IP address, you can create an ethernet alias on one of your existing adapters. An ...


9

At the end of the day, what urandom gives you may well be implementation-specific, but the man page says that it will use the available entropy if it's there, and only fall back to the PRNG when it runs out of entropy. So if you have enough entropy, you should get as good a result as if you'd used random instead. But, and this is a big but: You have to ...


9

Is your PC, or has your PC ever been on a domain at all, e.g. added to a server domain like in a workplace etc? If not, try going to Start > Run, type in gpedit.msc and press OK. Go to Computer Configuration > Administrative templates > System > Device Installation > Device Installation Restrictions. In here are loads of different settings which apply to ...


8

The only true safe way to work with electronics is with the use of an anti-static wrist wrap (that is connected to electrical ground). The reason I am skeptical of the other products is the fact that they provide no path for electrical discharge of any static electrical charge on your body. The anti-static wrist wrap provides a path to ground for said ...


7

The filesystem itself, represented by the physical order of information on a storage-representation, is independent of the OS. The OS contains a driver that allows it to work with the filesystem. Some filesystems may only have one OS that can talk to it, and that OS has that filesystem hardcoded into it (think Novell NetWare's original filesystem); but that ...


7

You do this by using the devcon.exe utility. It ships with Windows Driver Kit. Select just the Tools in the installation wizard if you do not need the rest of the kit. Refer to The DevCon command-line utility functions as an alternative to Device Manager for specific commands. I imagine you would start with something like devcon find *


7

SSHFS does not work that way -- it handles files, but not devices. Everything is a file, but there are many types of files, including: regular files, directories, symbolic links, sockets, character devices, and block devices. % ls -l /dev/sda brw-r----- 1 root disk 8, 0 Oct 9 20:59 /dev/sda The letter "b" indicates this is a block device. These types ...


6

Your logic is accurate; there is no inherent reason to expect harm. The device will just see a +5V source. Various power adapters have the data lines open, shorted, or connected through a resistor network to the power lines, depending on which of the standard or non-standard “this is a charger” schemes they use; but I believe the USB specification requires ...


5

Some possible reasons and solutions : The USB hub or some ports on it might be flaky. (Does this happen on all ports and all hubs?) Enable USB legacy features in your BIOS Delete all USB ghosts by cleaning out all registry entries in HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\USBSTOR. "Complete" USB driver renewal as described in this answer Disable ...


5

Contrary to popular belief, the Windows kernel does have a rooted file ("file") system. In *nix, the root is /, and in Windows it's \. The Win32 subsystem doesn't expose it, though. You can explore it with WinObj. Some (possibly familiar) NT device names (M and N are just integers): \Device\HarddiskM\DRN: Disks \Device\HarddiskVolumeN: Partitions ...


5

In the unix philosophy everything is in effect a text file file in the directory hierarchy, and everything here is really names for various 'files' in that hierarchy A device is any physical hardware or virtual device (like dev/null) that can be used by the system = these are generally under /dev/. For storage devices all partitions are under /dev/ and ...


5

No, it might even be bad. Removing a driver instead of replacing it might leave you with a computer that's not functioning properly. Admittedly modern OS'es ships with a decent amount of drivers that works "good enough" that this isn't as much of a problem that it was back in the Windows95/98 days.


5

Any device with even rudimentary 802.11 Access Point (AP) functionality would be a fine choice here. Note that almost all products sold as "wireless routers" have this functionality even if they don't call it out on those terms. In some cases, you can turn off NAT and DHCP services on the wireless router, and their WAN port ends up getting bridged in with ...


5

I'm gonna throw in a vote for some kind of photo/video viewer by the way it slides pictures in and out. Sorry I don't have one of those "Enlarge! Enhance!" tools they have in the movies.


5

I had a similar issue before, I thought it was a software problem too because I thought I unplugged everything. Turned out that I still had my monitor's USB hub connected (with no devices connected to the monitor's USB ports). It seems that it had a faulty port; whenever the desk shook a bit, the noise would play. Disconnecting it fixed it for me.


4

You can execute nmap and try Operating System guess for your router. I believe this plus MAC address ranges matching is what they are using to determine device type. nmap -O your_ip In my case: 192.168.1.1 router/firewall result: ZyXEL ZyWALL 2 firewall OK 192.168.1.7 router result: No exact OS matches for host, MAC Address: ** (SMC Networks) nearly ...


4

Linux/UNIX are not Plan 9. "Everything is a file" doesn't mean that they're all the same sort of files. FIFOs and device nodes being prime examples. No, you cannot do it this way. My recommendation would be to use a virtual writer (celebron writes to an image, .iso or other) and pipe that to cdrecord over ssh.


4

Questions : Directoires : Drivers are installed into 2 directories. The running part gets (in most cases) installed into %RootDir%\system32, the device information part gets installed into %RootDir%\inf. Under the inf dir, for a installed/registered driver an oem*.inf file is created. (* is a number). Under Vista the driver gets copied into the ...


4

If you want to remotely access a block device, there is such a tool called 'nbd' (Network Block Device). I have used this in the past to clone a harddrive using dd if=/dev/nbd0 of=/dev/hda with reasonable success. However, I doubt this will work for optical drives. I think you'd be better off running the burning software locally on the remote machine (say ...



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