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Full Discussion: DHCP server cannot execute script: permission denied exit 32512
Top Forums UNIX for Beginners Questions & Answers DHCP server cannot execute script: permission denied exit 32512 Post 303045694 by Michelon on Thursday 9th of April 2020 05:20:24 AM
Old 04-09-2020
DHCP server cannot execute script: permission denied exit 32512
I created a DHCP server on ubuntu 18:04 using isc-dhcp-server that normally works. I want to run a script located in /user/sbin but get error of permission denied with exit status 32512. Probably it's a permission error but I'm not expert. This is my dhcp server located in:

/etc/dhcp/dhcpd.conf

Code:
default-lease-time 86400;
max-lease-time 7200;

ignore client-updates;
authoritative;

use-host-decl-names on;
log-facility local7;


subnet 192.168.1.0 netmask 255.255.255.0 {
    range 192.168.1.101 192.168.1.150;
    option subnet-mask 255.255.255.0;
    option routers 192.168.1.3;
    option domain-name-servers 192.168.1.100;
    ddns-rev-domainname "in-addr.arpa.";
}

on commit {
    set ClientIP = binary-to-ascii(10, 8, ".", leased-address);
    set ClientMac = binary-to-ascii(16, 8, ":", substring(hardware, 1, 6));
    log(concat("Commit: IP: ", ClientIP, " Mac: ", ClientMac));
    execute("/usr/sbin/update_DB.sh", "commit", ClientIP, ClientMac);
}

/var/log/syslog

Code:
Apr  8 14:28:05 dhcp dhcpd[1223]: Commit: IP: 192.168.1.102 Mac: XXX
Apr  8 14:28:05 dhcp dhcpd[1223]: execute_statement argv[0] = /usr/sbin/update_DB.sh
Apr  8 14:28:05 dhcp dhcpd[1223]: execute_statement argv[1] = commit
Apr  8 14:28:05 dhcp dhcpd[1223]: execute_statement argv[2] = 192.168.1.102
Apr  8 14:28:05 dhcp dhcpd[1223]: execute_statement argv[3] = XXX
Apr  8 14:28:05 dhcp dhcpd[1227]: Unable to execute /usr/sbin/update_DB.sh: Permission denied
Apr  8 14:28:05 dhcp dhcpd[1223]: execute: /usr/sbin/update_DB.sh exit status 32512

anyone knows how to solve it, please? Thanks!
 

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LEARN ABOUT OPENSOLARIS

dhcpmgr

dhcpmgr(1M)						  System Administration Commands					       dhcpmgr(1M)

NAME

       dhcpmgr - graphical interface for managing DHCP service

SYNOPSIS

       /usr/sadm/admin/bin/dhcpmgr

DESCRIPTION

       dhcpmgr	is a graphical user interface which enables you to manage the Dynamic Host Configuration Protocol (DHCP) service on the local sys-
       tem. It performs the functions of the dhcpconfig, dhtadm, and pntadm command line utilities. You must be root to use dhcpmgr.  The  dhcpmgr
       Help, available from the Help menu, contains detailed information about using the tool.

USAGE

       You can perform the following tasks using dhcpmgr:

       Configure DHCP service

	   Use dhcpmgr to configure the DHCP daemon as a DHCP server, and select the data store to use for storing network configuration tables..

       Configure BOOTP relay service

	   Use dhcpmgr to configure the DHCP daemon as a BOOTP relay.

       Manage DHCP or BOOTP relay service

	   Use dhcpmgr to start, stop, enable, disable or unconfigure the DHCP service or BOOTP relay service, or change DHCP server parameters.

       Manage DHCP addresses

	   Use dhcpmgr to add, modify, or delete IP addresses leased by the DHCP service.

       Manage DHCP macros

	   Use dhcpmgr to add, modify or delete macros used to supply configuration parameters to DHCP clients.

       Manage DHCP options

	   Use dhcpmgr to add, modify or delete options used to define parameters deliverable through DHCP.

       Convert to a new DHCP data store

	   Use	dhcpmgr  to  configure the DHCP server to use a different data store, and convert the DHCP data to the format used by the new data
	   store.

       Move DHCP data to another server

	   Use dhcpmgr to export data from one Solaris DHCP server and import data onto another Solaris DHCP server.

EXIT STATUS

       The following exit values are returned:

       0	    Successful completion.

       non-zero     An error occurred.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWdhcm			   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Evolving			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       dhcpconfig(1M), dhtadm(1M), pntadm(1M), in.dhcpd(1M), dhcpsvc.conf(4), dhcp_network(4), dhcptab(4), attributes(5), dhcp(5), dhcp_modules(5)

SunOS 5.11							    13 Mar 2001 						       dhcpmgr(1M)
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