我希望有人能发现我在这里遗漏了什么。我目前正在尝试配置离线实验室，需要主服务器提供 DHCP。主服务器当前正在运行 Ubuntu 18.04 LTS。我已经安装了 isc-dhcp 并尝试对其进行配置。但服务器在启动时仍然失败。
这是 dhcpd 配置文件
# dhcpd.conf
#
# Sample configuration file for ISC dhcpd
#
# Attention: If /etc/ltsp/dhcpd.conf exists, that will be used as
# configuration file instead of this file.
#
# option definitions common to all supported networks...
option domain-name "hmilab.lan";
option domain-name-servers ns1.hmilab.lan, ns2.hmilab.lan;
default-lease-time 3600;
max-lease-time 7200;
# The ddns-updates-style parameter controls whether or not the server will
# attempt to do a DNS update when a lease is confirmed. We default to the
# behavior of the version 2 packages ('none', since DHCP v2 didn't
# have support for DDNS.)
ddns-update-style none;
# If this DHCP server is the official DHCP server for the local
# network, the authoritative directive should be uncommented.
authoritative;
# Use this to send dhcp log messages to a different log file (you also
# have to hack syslog.conf to complete the redirection).
#log-facility local7;
# No service will be given on this subnet, but declaring it helps the
# DHCP server to understand the network topology.
#subnet 10.152.187.0 netmask 255.255.255.0 {
#}
# This is a very basic subnet declaration.
subnet 192.168.1.10 netmask 255.255.255.0 {
range 192.168.1.10 192.168.1.100;
range 192.168.1.110 192.168.1.200;
option routers 192.168.1.1;
option subnetmask 255.255.255.0;
option domain search "hmilab.lan";
option domain-name-servers 192.168.1.1
}
# This declaration allows BOOTP clients to get dynamic addresses,
# which we don't really recommend.
#subnet 10.254.239.32 netmask 255.255.255.224 {
# range dynamic-bootp 10.254.239.40 10.254.239.60;
# option broadcast-address 10.254.239.31;
# option routers rtr-239-32-1.example.org;
#}
# A slightly different configuration for an internal subnet.
#subnet 10.5.5.0 netmask 255.255.255.224 {
# range 10.5.5.26 10.5.5.30;
# option domain-name-servers ns1.internal.example.org;
# option domain-name "internal.example.org";
# option subnet-mask 255.255.255.224;
# option routers 10.5.5.1;
# option broadcast-address 10.5.5.31;
# default-lease-time 600;
# max-lease-time 7200;
#}
# Hosts which require special configuration options can be listed in
# host statements. If no address is specified, the address will be
# allocated dynamically (if possible), but the host-specific information
# will still come from the host declaration.
#host passacaglia {
# hardware ethernet 0:0:c0:5d:bd:95;
# filename "vmunix.passacaglia";
# server-name "toccata.example.com";
#}
# Fixed IP addresses can also be specified for hosts. These addresses
# should not also be listed as being available for dynamic assignment.
# Hosts for which fixed IP addresses have been specified can boot using
# BOOTP or DHCP. Hosts for which no fixed address is specified can only
# be booted with DHCP, unless there is an address range on the subnet
# to which a BOOTP client is connected which has the dynamic-bootp flag
# set.
#host fantasia {
# hardware ethernet 08:00:07:26:c0:a5;
# fixed-address fantasia.example.com;
#}
# You can declare a class of clients and then do address allocation
# based on that. The example below shows a case where all clients
# in a certain class get addresses on the 10.17.224/24 subnet, and all
# other clients get addresses on the 10.0.29/24 subnet.
#class "foo" {
# match if substring (option vendor-class-identifier, 0, 4) = "SUNW";
#}
#shared-network 224-29 {
# subnet 10.17.224.0 netmask 255.255.255.0 {
# option routers rtr-224.example.org;
# }
# subnet 10.0.29.0 netmask 255.255.255.0 {
# option routers rtr-29.example.org;
# }
# pool {
# allow members of "foo";
# range 10.17.224.10 10.17.224.250;
# }
# pool {
# deny members of "foo";
# range 10.0.29.10 10.0.29.230;
# }
#}
这是 isc-dhcp-server 文件
# Defaults for isc-dhcp-server (sourced by /etc/init.d/isc-dhcp-server)
# Path to dhcpd's config file (default: /etc/dhcp/dhcpd.conf).
DHCPDv4_CONF=/etc/dhcp/dhcpd.conf
#DHCPDv6_CONF=/etc/dhcp/dhcpd6.conf
# Path to dhcpd's PID file (default: /var/run/dhcpd.pid).
#DHCPDv4_PID=/var/run/dhcpd.pid
#DHCPDv6_PID=/var/run/dhcpd6.pid
# Additional options to start dhcpd with.
# Don't use options -cf or -pf here; use DHCPD_CONF/ DHCPD_PID instead
#OPTIONS=""
# On what interfaces should the DHCP server (dhcpd) serve DHCP requests?
# Separate multiple interfaces with spaces, e.g. "eth0 eth1".
INTERFACESv4="eno1"
#INTERFACESv6=""
每次我尝试重新启动服务然后检查状态时都会出现此情况。
~$ sudo systemctl status isc-dhcp-server.service
● isc-dhcp-server.service - ISC DHCP IPv4 server
Loaded: loaded (/lib/systemd/system/isc-dhcp-server.service; enabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Tue 2020-10-20 12:45:01 CDT; 2s ago
Docs: man:dhcpd(8)
Process: 6174 ExecStart=/bin/sh -ec CONFIG_FILE=/etc/dhcp/dhcpd.conf; if [ -f /etc/ltsp/dhcpd.conf ]; then CONFIG_FILE=/etc/
Main PID: 6174 (code=exited, status=1/FAILURE)
Oct 20 12:45:01 HMIServer dhcpd[6174]: Configuration file errors encountered -- exiting
Oct 20 12:45:01 HMIServer systemd[1]: isc-dhcp-server.service: Failed with result 'exit-code'.
Oct 20 12:45:01 HMIServer dhcpd[6174]:
Oct 20 12:45:01 HMIServer dhcpd[6174]: If you think you have received this message due to a bug rather
Oct 20 12:45:01 HMIServer dhcpd[6174]: than a configuration issue please read the section on submitting
Oct 20 12:45:01 HMIServer dhcpd[6174]: bugs on either our web page at www.isc.org or in the README file
Oct 20 12:45:01 HMIServer dhcpd[6174]: before submitting a bug. These pages explain the proper
Oct 20 12:45:01 HMIServer dhcpd[6174]: process and the information we find helpful for debugging..
Oct 20 12:45:01 HMIServer dhcpd[6174]:
Oct 20 12:45:01 HMIServer dhcpd[6174]: exiting.
如果能帮助指出我到底遗漏了什么就太好了。
编辑
-- Logs begin at Fri 2020-10-16 22:11:35 CDT, end at Tue 2020-10-20 15:44:00 CDT. --
Oct 20 13:47:40 HMIServer sh[7101]: process and the information we find helpful for debugging..
Oct 20 13:47:40 HMIServer sh[7101]: exiting.
Oct 20 13:47:40 HMIServer dhcpd[7101]: For info, please visit https://www.isc.org/software/dhcp/
Oct 20 13:47:40 HMIServer systemd[1]: isc-dhcp-server.service: Main process exited, code=exited, status=1/FAILURE
Oct 20 13:47:40 HMIServer dhcpd[7101]: /etc/dhcp/dhcpd.conf line 38: subnet 192.168.1.10 netmask 255.255.255.0: bad subnet
Oct 20 13:47:40 HMIServer systemd[1]: isc-dhcp-server.service: Failed with result 'exit-code'.
Oct 20 13:47:40 HMIServer dhcpd[7101]: subnet 192.168.1.10 netmask 255.255.255.0
Oct 20 13:47:40 HMIServer dhcpd[7101]: ^
Oct 20 13:47:40 HMIServer dhcpd[7101]: Configuration file errors encountered -- exiting
Oct 20 13:47:40 HMIServer dhcpd[7101]:
Oct 20 13:47:40 HMIServer dhcpd[7101]: If you think you have received this message due to a bug rather
Oct 20 13:47:40 HMIServer dhcpd[7101]: than a configuration issue please read the section on submitting
Oct 20 13:47:40 HMIServer dhcpd[7101]: bugs on either our web page at www.isc.org or in the README file
Oct 20 13:47:40 HMIServer dhcpd[7101]: before submitting a bug. These pages explain the proper
Oct 20 13:47:40 HMIServer dhcpd[7101]: process and the information we find helpful for debugging..
Oct 20 13:47:40 HMIServer dhcpd[7101]:
Oct 20 13:47:40 HMIServer dhcpd[7101]: exiting.
Oct 20 13:48:27 HMIServer systemd[1]: Started ISC DHCP IPv4 server.
Oct 20 13:48:27 HMIServer dhcpd[7176]: Internet Systems Consortium DHCP Server 4.3.5
Oct 20 13:48:27 HMIServer sh[7176]: Internet Systems Consortium DHCP Server 4.3.5
Oct 20 13:48:27 HMIServer sh[7176]: Copyright 2004-2016 Internet Systems Consortium.
Oct 20 13:48:27 HMIServer sh[7176]: All rights reserved.
Oct 20 13:48:27 HMIServer sh[7176]: For info, please visit https://www.isc.org/software/dhcp/
Oct 20 13:48:27 HMIServer dhcpd[7176]: Copyright 2004-2016 Internet Systems Consortium.
Oct 20 13:48:27 HMIServer dhcpd[7176]: All rights reserved.
Oct 20 13:48:27 HMIServer dhcpd[7176]: For info, please visit https://www.isc.org/software/dhcp/
Oct 20 13:48:27 HMIServer dhcpd[7176]: /etc/dhcp/dhcpd.conf line 38: subnet 192.168.1.10 netmask 255.255.255.0: bad subnet
Oct 20 13:48:27 HMIServer dhcpd[7176]: subnet 192.168.1.10 netmask 255.255.255.0
Oct 20 13:48:27 HMIServer sh[7176]: /etc/dhcp/dhcpd.conf line 38: subnet 192.168.1.10 netmask 255.255.255.0: bad subnet num
Oct 20 13:48:27 HMIServer sh[7176]: subnet 192.168.1.10 netmask 255.255.255.0
Oct 20 13:48:27 HMIServer sh[7176]: ^
Oct 20 13:48:27 HMIServer sh[7176]: Configuration file errors encountered -- exiting
Oct 20 13:48:27 HMIServer sh[7176]: If you think you have received this message due to a bug rather
Oct 20 13:48:27 HMIServer sh[7176]: than a configuration issue please read the section on submitting
Oct 20 13:48:27 HMIServer sh[7176]: bugs on either our web page at www.isc.org or in the README file
Oct 20 13:48:27 HMIServer sh[7176]: before submitting a bug. These pages explain the proper
Oct 20 13:48:27 HMIServer sh[7176]: process and the information we find helpful for debugging..
Oct 20 13:48:27 HMIServer sh[7176]: exiting.
Oct 20 13:48:27 HMIServer dhcpd[7176]: ^
Oct 20 13:48:27 HMIServer systemd[1]: isc-dhcp-server.service: Main process exited, code=exited, status=1/FAILURE
Oct 20 13:48:27 HMIServer dhcpd[7176]: Configuration file errors encountered -- exiting
Oct 20 13:48:27 HMIServer systemd[1]: isc-dhcp-server.service: Failed with result 'exit-code'.
Oct 20 13:48:27 HMIServer dhcpd[7176]:
Oct 20 13:48:27 HMIServer dhcpd[7176]: If you think you have received this message due to a bug rather
Oct 20 13:48:27 HMIServer dhcpd[7176]: than a configuration issue please read the section on submitting
Oct 20 13:48:27 HMIServer dhcpd[7176]: bugs on either our web page at www.isc.org or in the README file
Oct 20 13:48:27 HMIServer dhcpd[7176]: before submitting a bug. These pages explain the proper
Oct 20 13:48:27 HMIServer dhcpd[7176]: process and the information we find helpful for debugging..
Oct 20 13:48:27 HMIServer dhcpd[7176]:
Oct 20 13:48:27 HMIServer dhcpd[7176]: exiting.
答案1
你需要一个;之后
option domain-name-servers 192.168.1.1
答案2
您的子网错误。
子网 192.168.1.10 网络掩码 255.255.255.0
应该
子网 192.168.1.0 网络掩码 255.255.255.0
希望它有效！