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Operating Systems Linux Dhcp in use or not for Linux machine Post 302894559 by omkar.jadhav on Wednesday 26th of March 2014 07:01:30 AM
Old 03-26-2014
Dhcp in use or not for Linux machine

Hi All.

Can anyone let me know the smartest and fullprrof method of checkking whther any given linux machine is using DHCP or not?

Code:
 
# ps -ef | grep dhcp

gives output like below :
Code:
root      3251  3128  0 11:02 pts/0    00:00:00 grep dhcp

so i dont think its full proof method , please suggest
 

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CTRLALTDEL(8)						     Linux Programmer's Manual						     CTRLALTDEL(8)

NAME
ctrlaltdel - set the function of the Ctrl-Alt-Del combination SYNOPSIS
ctrlaltdel hard|soft DESCRIPTION
Based on examination of the linux/kernel/sys.c code, it is clear that there are two supported functions that the Ctrl-Alt-Del sequence can perform: a hard reset, which immediately reboots the computer without calling sync(2) and without any other preparation; and a soft reset, which sends the SIGINT (interrupt) signal to the init process (this is always the process with PID 1). If this option is used, the init(8) program must support this feature. Since there are now several init(8) programs in the Linux community, please consult the documentation for the version that you are currently using. ctrlaltdel is usually used in the /etc/rc.local file. FILES
/etc/rc.local SEE ALSO
simpleinit(8), init(8) AUTHOR
Peter Orbaek (poe@daimi.aau.dk) AVAILABILITY
The ctrlaltdel command is part of the util-linux package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux/. Linux 1.2 25 October 1993 CTRLALTDEL(8)
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