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Full Discussion: Changing ip in a custom way
Top Forums UNIX for Dummies Questions & Answers Changing ip in a custom way Post 302341568 by Wonderke on Thursday 6th of August 2009 07:23:36 AM
Old 08-06-2009
Changing ip in a custom way
Hi.
I hope someone can help me. I have e very special question.
I have a Lunix server and I have installed Webmin on it. This way, I can create a login for an other user and give him restricted access to some custom commands I set up.
One of the commands i would like to setup, is for him to change the ip adress. With Webmin, I have the option to edit files en perform commands afterwards, so my first thought was to edit the ifcfg-eth'x' file (x because i have several network cards). But the file contains too much data, for I want him to only be able to change the IP-adress, Netmask and Gateway (of 1 of the cards).
Standard it looks something like this:

# Intel Corporation 80003ES2LAN Gigabit Ethernet Controller (Copper)
DEVICE=eth0
BOOTPROTO=none
BROADCAST=192.168.101.255
IPADDR=192.168.101.91
IPV6INIT=no
IPV6_AUTOCONF=yes
NETMASK=255.255.255.0
NETWORK=192.168.101.0
ONBOOT=yes
GATEWAY=192.168.101.1
TYPE=Ethernet
PEERDNS=yes
USERCTL=no

when actually I would only need something like this:

IPADDR=192.168.101.91
NETMASK=255.255.255.0
GATEWAY=192.168.101.1

Is there a way to link the original file to a new file, and when they edit teh new file, because of the link the original file will also be edited (the identical lines as IPADDR etc), and after which i give the command to restart the network devices, which allows the user to change only the given data in that new file, and so make him activate these new settings.

I hope I was clear enough; I know its something strange, but i need it in a very specific service.

thanks in advance!
 

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LEARN ABOUT SUSE

chsh

chsh(1) 						      General Commands Manual							   chsh(1)

NAME

       chsh - change login shell

SYNOPSIS

       chsh [-D binddn] [-P path] [-s shell] [-l] [-q] [-u] [-v] [user]

DESCRIPTION

       chsh  is  used  to  change  the	user login shell.  A normal user may only change the login shell for their own account, the super user may
       change the login shell for any account.

       If a shell is not given on the command line, chsh operates in an interactive fashion, prompting the user  with  the  current  login  shell.
       Enter  the  new	value  to change the field, or leave the line blank to use the current value. Enter none to remove the current value.  The
       current value is displayed between a pair of [ ] marks.

       The only restrictions placed on the login shell is that the command name must be listed in /etc/shells, unless the invoker  is  the  super-
       user, and then any value may be added.  An account with a restricted login shell may not change their login shell.

       This version of chsh is able to change the shell of local, NIS, NIS+ and LDAP accounts , if the permissions allow it.

OPTIONS

       -D, --binddn binddn
	      Use  the	Distinguished  Name binddn to bind to the LDAP directory.  The user will be prompted for a password for simple authentica-
	      tion.

       -P, --path path
	      The passwd file is located below the specified directory path. chsh will use this files, not /etc/passwd.  This is useful for  exam-
	      ple  on  NIS master servers, where you do not want to give all users in the NIS database automatic access to your NIS server and the
	      NIS map is build from special files.

       -s, --shell
	      Specify your login shell.

       -l, --list-shells
	      Print the list of shells listed in /etc/shells and exit.

       -q, --quite
	      Don't be verbose.

       -u, --usage
	      Print a usage message and exit.

	   --help
	      Print a more verbose help text and exit.

       -v, --version
	      Print version information and exit.

FILES

       /etc/passwd - user account information
       /etc/shells - list of valid login shells

SEE ALSO

       chfn(1), passwd(5), shells(5)

AUTHOR

       Thorsten Kukuk <kukuk@suse.de>

pwdutils							   February 2004							   chsh(1)
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