Re: Re: Re: Your file locations may vary but should be similar
thank you Optimus,
First, let me assure you that i have no intention of hacking, im not a hacker, can't afford to be one...i just code for food man
I have this hello world kernal module code:
Code:
/* Declare what kind of code we want from the header files */
#define __KERNEL__ /* We're part of the kernel */
#define MODULE /* Not a permanent part, though. */
/* Standard headers for LKMs */
#include <linux/modversions.h>
#include <linux/module.h>
#define _LOOSE_KERNEL_NAMES
/* With some combinations of Linux and gcc, tty.h will not compile if
you don't define _LOOSE_KERNEL_NAMES. It's a bug somewhere.
*/
#include <linux/tty.h> /* console_print() interface */
/* Initialize the LKM */
int init_module()
{
console_print("Hello, world - this is the kernel speaking\n");
/* More normal is printk(), but there's less that can go wrong with
console_print(), so let's start simple.
*/
/* If we return a non zero value, it means that
* init_module failed and the LKM can't be loaded
*/
return 0;
}
/* Cleanup - undo whatever init_module did */
void cleanup_module()
{
console_print("Short is the life of an LKM\n");
}
i compile the program using the command:
gcc -c hello.c -Wall
When i compile the program i get the following errors:
/usr/include/linux/modversions.h:1:2: #error Modules should never use kernel-headers system headers,
/usr/include/linux/modversions.h:2:2: #error but rather headers from an appropriate kernel-source package.
/usr/include/linux/modversions.h:3:2: #error Change -I/usr/src/linux/include (or similar) to
/usr/include/linux/modversions.h:4:2: #error -I/lib/modules/$(uname -r)/build/include
/usr/include/linux/modversions.h:5:2: #error to build against the currently-running kernel.
how do i make a program run at system startup?
is there a hirarchy i have to consider?
is there any equivalent to an NT "Service" in unix?
how do you set it up?
thanx
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Discussion started by: steveGH
5 Replies
LEARN ABOUT DEBIAN
iscsi_discovery
iscsi_discovery(8) System Manager's Manual iscsi_discovery(8)NAME
iscsi_discovery - discover iSCSI targets
SYNOPSIS
iscsi_discovery <IP> [-p <port>] [-d] [-t <tcp|iser> [-f]] [-m] [-l]
DESCRIPTION
Perform send-targets discovery to the specified IP. If a discovery record is generated, try to login to the portal using the preferred
transport (-t flag specifies the requested transport type, TCP is the default). If login using a certain transport succeeds, mark the por-
tal for automatic login (unless -m flag is used), and disconnect (unless -l flag is used).
For iSCSI discovery to work, open-iscsi services must be running. i.e. iscsid should be up, and the iSCSI modules loaded. This is best
accomplished by the init.d startup script.
[-p=]port-number
set the port number (defualt is 3260).
[-d] print debugging information.
[-t=]transport-type
set transport (default is tcp).
[-f] force specific transport - disable the fallback to tcp (default is fallback enabled). force the transport specified by the argument
of the -t flag.
[-m] manual startup - will set manual startup (default is automatic startup).
[-l] login - login to the new discovered nodes (defualt is false).
AUTHOR
Written by Dan Bar Dov
REPORTING BUGS
Report bugs to <erezzi.list@gmail.com>.
COPYRIGHT
Copyright (C) Voltaire Ltd. 2006.
iscsi_discovery(8)
09-17-2002
