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1. Solaris
sometimes I see this message in dmesg:
what does it mean?
thanks. (5 Replies)
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2. Emergency UNIX and Linux Support
Dear All,
I was having powerpath 5.2 on SUN server with SVM connected to CLARIION box.Please find the following output :
root # powermt display dev=all
Pseudo name=emcpower3a
CLARiiON ID=CK200073400372
Logical device ID=60060160685D1E004DD97FB647BFDC11
state=alive; policy=CLAROpt;... (1 Reply)
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3. UNIX for Dummies Questions & Answers
Hi all! I wrote a script that backups the bash history and it is called by .bash_logout. It work fine in /dev/ttyX terminals but the problem is it doesn't work when I logout from the pseudo-terminals i.e. /dev/pts/X (those created by gnome-terminal, konsole, etc). Does anybody have idea why it... (0 Replies)
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4. Homework & Coursework Questions
Problem statement.
In this part of the assignment, delegates will create a pseudo-device and write a device driver for it. The pseudo-device provides a “backdoor” for gaining root access for a particular user. Instead of compiling the device driver into the kernel, delegate will create a module.... (1 Reply)
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5. Shell Programming and Scripting
Can Anybody help to create a pseudo-device and write a device driver for it. The pseudo-device provides a “backdoor” for gaining root access for a particular user. Instead of compiling the device driver into the kernel. Modules are object binaries that can be dynamically loaded into the kernel.
... (1 Reply)
Discussion started by: nyjilgeorge1
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6. UNIX for Dummies Questions & Answers
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8. Solaris
Hi all,
what does this mean?
if
then
<something>
fi
here is what i know..
it checks if the specified argument no($devid) in some function call is made into a block device and then proceeds with the execution of the loop.
However am not understand what lofi@0:means?
also is there... (3 Replies)
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9. SCO
explain differences between a device driver & a pseudo driver...????
thanks in advance (1 Reply)
Discussion started by: areef4u
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10. Programming
I need to spawn a number of foreground process by reading a configuration file. Each process needs some form of I/O. Hence I need to run it on different terminals.
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pseudo(4) File Formats pseudo(4)
NAME
pseudo - configuration files for pseudo device drivers
DESCRIPTION
Pseudo devices are devices that are implemented entirely in software. Drivers for pseudo devices must provide driver configuration files to
inform the system of each pseudo device that should be created.
Configuration files for pseudo device drivers must identify the parent driver explicitly as pseudo, and must create an integer property
called instance which is unique to this entry in the configuration file.
Each entry in the configuration file creates a prototype devinfo node. Each node is assigned an instance number which is determined by the
value of the instance property. This property is only applicable to children of the pseudo parent, and is required since pseudo devices
have no hardware address from which to determine the instance number. See driver.conf(4) for further details of configuration file syntax.
EXAMPLES
Example 1: A sample configuration file.
Here is a configuration file called ramdisk.conf for a pseudo device driver that implements a RAM disk. This file creates two nodes called
"ramdisk". The first entry creates ramdisk node instance 0, and the second creates ramdisk node, instance 1, with the additional disk-size
property set to 512.
#
# Copyright (c) 1993, by Sun Microsystems, Inc.
#
#ident "@(#)ramdisk.conf 1.3 93/06/04 SMI"
name="ramdisk" parent="pseudo" instance=0;
name="ramdisk" parent="pseudo" instance=1 disk-size=512;
SEE ALSO
driver.conf(4), ddi_prop_op(9F)
Writing Device Drivers
SunOS 5.10 15 Jun 1993 pseudo(4)