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Linux簡明系統維護手冊(三)
1、源程序下載地址是：ftp://ftp.isc.org/isc/dhcp/dhcp-3.0.tar.gz ，我們的版本是：dhcpd-3.0
2、復制到：/usr/local/scr後解壓：tar zxvf dhcp-3.0.tar.gz
3、cd /usr/local/src/dhcp-3.0.tar.gz
4、./configure
5、make(如果不是第一次編譯，先make clean)
6、make install
7、cp ./server/dhcpd.conf /etc
8、編輯這個文件，看起來類似下面這樣：（要更改的地方用粗體標出）
# 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;
# }
上面這個文件中後面都是注釋，是原來系統給你的配置做的例子，可以不要。當然除非你用到它們，並且清楚它們的含義。
9、建立空文件：touch /var/state/dhcp/dhcpd.leases空文件
10、檢查內核編譯選項：Networking options-----Packet socket: mmapped IO和Socket Filtering選項是否被選中（不知道怎麼看？看看前面的文章，用make menuconfig呀），如果沒有就需要重新編譯內核了。
11、route add -host 255.255.255.255 dev eth0
12、roote add -host localhost dev eth0
13、在/etc/rc.d/rc.local最後增加一行route add -host 255.255.255.255 dev eth0
14、reboot系統
15、用dhcpd命令啟動DHCP，用其他的機器試試看能不能自動配置網絡了。
(4) 安裝apache+mysql+php+gd+png+zlib+jpeg+freetype+sslmod
這麼一大堆東西為什麼要一塊說呢？因為他們中間是有緊密聯系的，尤其是那個PHP，用到其他所有的模塊。要想PHP功能全，只能一步步來了。
1、首先安裝MYSQL：從http://www.mysql.com/downloads/index.html下載自己覺得合適的版本。這裡用3.23.42版本。
2、進入目錄/usr/local/src(這個以後就不用說了吧？)解壓縮：tar zxvf mysql-3.23.42.tar.gz
3、cd mysql-3.23.42/
4、configure --prefix=/usr/local/mysql
5、make
6、make install
7、useradd mysql ; groupadd mysql ; su mysql ;(建立命名為mysql的用戶和組，並切換為mysql身份)
8、scripts/mysql_install_db (建立數據庫結構)
9、cd /usr/local/mysql/bin
10、./safe_mysqld & （啟動了）
11、./mysqladmin -u root password "new-password"（你的新密碼，記住MYSQL的密碼核系統密碼是獨立的，缺省是沒有密碼）
12、用mysql程序試試看。
下面的步驟都很程式化，我盡量簡潔地寫出。
13、下載相關的軟件包：地址表格如下
軟件 版本 地址
jpegsrc.v6b.tar.gz 6b ftp://ftp.uu.net/graphics/jpeg
zlib.tar.gz 1.1.3 ftp://ftp.uu.net/graphics/png/src
freetype-2.0.8.tar.gz 2.0.8 http://www.freetype.org
libpng-1.0.10.tar.gz 1.0.10 ftp://ftp.uu.net/graphics/png/src
gd-1.8.4.tar.gz 1.8.4 http://www.boutell.com/gd
apache_1.3.23.tar.gz 1.3.23 http://www.apache.org
php-4.1.1.tar.gz 4.1.1 http://www.php.net
number4.tar.gz 4 http://www.php.net/extra
rsaref20.tar.Z 2.0 ftp://ftp.ai.mit.edu/pub/deberg
openssl-engine-0.9.6c.tar.gz 0.9.6c http://www.openssl.org/source
mod_ssl-2.8.6-1.3.23.tar.gz 2.8.6 http://www.modssl.org
下齊了就放在/usr/local/src目錄下，除了number4.tar.gz和rsaref20.tar.Z以外，其他一律用tar zxvf XXXX.tar.gz解壓縮。（過瘾吧？）
特殊的，rsaref20.tar.Z 需要先建立一個rsaref-2.0目錄，然後把rsaref20.tar.Z復制到改目錄下用tar zxvf rsaref30.tar.Z釋放壓縮。Number4.tar.gz需要復制到php-4.1.1目錄內，然後用tar zxvf number4.tar.gz解壓縮。
下面的描述我想簡單一點，只寫出進入目錄後執行的命令。那些目錄都是釋放的時候自己建立的，如果你這些操作都在/usr/local/src下面執行，所有的目錄就都在這裡面。最好按照順序執行。再羅嗦一句：如果不是第一次編譯，一般情況請執行一次make clean後再編譯。
14、[jpeg-6b]：生成JPEG圖像的函數庫。
./configure
make
make test
make install
15、[zlib-1.1.3]：壓縮算法庫，是PNG和JPEG需要的
make test
make install
16、[freetype-2.0.8]：字體庫，在圖像上使用字體的時候需要用到，
./configure --prefix=/usr/local
make
make install
17、[libpng-1.0.10]：生成PNG圖像的函數庫
cp scripts/makefile.linux makefile
make test
pngtest pngnow.png
(如果都通過測試了，請繼續。否則，看看錯誤提示，改正錯誤)
make install
18、[gd-1.8.4]：GD庫，用來動態生成圖像用，這裡主要是配合PHP生成圖像。
編輯Makefile 文件：
把下列行取消注釋符號（#）：
CFLA
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