三 Linux简明系统维护手册 _云知道

(3)安装DHCP服务器 1、源程序下载地址是：ftp://ftp.isc.org/isc/dhcp/dhcp-3.0.tar.gz，我们的版本是：dhcpd-3.0
2、复制到：/usr/local/scr后解压：tar zxvf dhcp-3.0.tar.gz
3、cd /usr/local/src/dhcp-3.0.tar.gz
4、./configure
5、make(如果不是第一次编译，先make clean)
6、make install
7、cp ./server/dhcpd.conf /etc
8、编辑这个文件，看起来类似下面这样：（要更改的地方用粗体标出）
# dhcpd.conf## Sample configuration file for ISC dhcpd## option definitions common to all supported networks...option domain-name "rd.xxx.com";option domain-name-servers compaq.rd.xxx.com;default-lease-time 86400;max-lease-time 172800;ddns-update-style ad-hoc;# 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.# This is a very basic subnet declaration.subnet 21.9.22.0 netmask 255.255.255.224 {range 21.9.22.2 21.9.22.6;option routers 21.9.22.1;}# 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 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.fugue.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.fugue.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;#}上面这个文件中后面都是注释，是原来系统给你的配置做的例子，可以不要。当然除非你用到它们，并且清楚它们的含义。
9、建立空文件：touch /var/state/dhcp/dhcpd.leases空文件
10、检查内核编译选项：Networking options-----Packet socket: mmapped IO和Socket Filtering选项是否被选中（不知道怎么看？看看前面的文章，用make menuconfig呀），如果没有就需要重新编译内核了。
11、route add -host 255.255.255.255 dev eth0
12、roote add -host localhost dev eth0
13、在/etc/rc.d/rc.local最后增加一行route add -host 255.255.255.255 dev eth0

三 Linux简明系统维护手册

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