(一、系统安装)
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前言
qa-FLUkIk! +ID\u
<? 'S1u@p,q %uN<^`JZ 写本文的初衷主要是记录下我一段时间学习使用FreeBSD建设网站平台的一些经验和体会。因为本人是菜鸟,所以很多地方不够完善。本文权当给初学者提供一个具体可操作的实例。所有操作步骤都是我边做边写。避免出现遗漏或一些不必要的小错误,给初学者带来麻烦。
p"#\E0GM +rJ6DZ 本网站平台建设全过程包括FreeBSD系统的安装,web、ftp、mail、proxy服务器、视频点播服务器等。所有过程都在FreeBSD4.7环境下测试通过。
a3>/B$pE 8[KKi ~A 由于写本文时参考了网上太多前辈和大侠的资料,无法一一列举。还请作者原谅。
G0{Z@CvO' y-db CYMc 本连载文章前后关联很紧密,建议初学者一步一步来做。
^3TNj
$8)XN-%( 试验环境如下:
|82q|@e Rh ^(91d 硬件环境:普通pc机,双网卡。配制不需要高,主要是稳定,并能适应长时间开机。听前辈介绍AMD k6的cpu运行FreeBSD好像有点问题。不过我没有试验。建议用intel的。
9H/>M4RT ;U|(rM; 软件环境:操作系统:FreeBSD4.7(4.8)
Xva(R<W7d< Vw1>d+<~-) web服务器:Apache 1.3.27+modssl +mod_php4+mod_gzip+mod_fastcgi +mod_perl +mysql3.23
7-``J#9= cvaG[NF ftp服务器:Proftpd1.2.7+proftpd-mod-quotatab-1.2.4+mysql
!1G
KpL )A$"COM4 mail服务器: iceblood前辈制作的qmail安装包(经过修改)+vqregister-2.5
c1"wS*u -;7xUNQ proxy服务器:使用FreeBSD内置的NAT和PPP拨号+squid
4AS%^&ah @"@|O>KJ 视频点播服务器:Helix Universal Servevr (realserver9.01)
0+e=s0s. 1EXT^2!D 网络环境:我用的是adsl动态拨号方式,因为动态ip所存在的一些问题,我把所有的服务都装在一台机器上,且这台机器要直接与外网相连。静态ip更方便一些。(本文两种方式都会讨论)
H-PVV&r -67Z!N x
;|HT ~;3yjO)l?) 第一步:安装系统
dS ojq6M y#j7vO 关于安装过程网上有很多文章,这里不作详述。仅提出几点建议供大家参考:
=/Gd<qz3 Jh3 1、 采用最小化安装。
$6a9<&LP_ C< c6Ub 2、 安装时启用inetd,并在编辑inetd.conf文件时,把带有“ftp”的行前面的“#”号去掉。这样作是为了以后安装软件时可以用ftp上传文件。
1zPS#K/3 XM`GK>*aC( 3、 添加一个wheel组的用户,这样在系统工作正常后可以在windows系统上通过终端登录软件(如SecureCRT)进行所有操作。FreeBSD4.7在最小安装时支持SSH终端登录,所以我们需要使用支持SSH协议的终端软件,如SecureCRT。例如我添加的用户名是ylf,隶属wheel系统组。系统产生一个用户目录/home/ylf。我可以通过SecureCRT以ylf身份登录到系统,然后通过su命令切换到root用户。同时我也可以在IE浏览器内键入
ftp://192.168.0.1 ,并输入ylf用户名和密码登录ftp将需要的文件上传到自己的用户目录里。(192.168.0.1是我的服务器连接内网的网卡ip地址)。以下除系统安装部分,我都是采用终端方式操作。
^eh.Iml'@ d}\]!x3t 4、 分区时将/home、/usr和/var划的大一些,因为/usr为程序目录,/var要存放日志,/home是用户主目录,我的用户文件如网页、ftp上传文件等都放在这里。还有最好保留一部分空间留作以后需要的时候用。我的机器上有2块硬盘,一快18.2G SCSI硬盘,一块40G IDE硬盘。我是这样划分的。
]p`y cXPpxRXBD 128M /
A|\A|8=b -qc'J<*^4 20G /home
! :&SfPv M0w Uis:` 2G /ftp
zMv`<m% Y~vk>ZC 256M /tmp
@Chl>s SE+hB 6G /usr
!T,<p
,`bW(V 5G /var
F9
r5 Z kG/1 其中/ftp是为匿名ftp用户访问专用。剩余空间留作备用。当然如果硬盘空间少的话,做我们的试验也是够用的。
\}$|Uo$O !-lI<$S: 关于安装方面的文章,大家也可以参考delphij写的《FreeBSD服务器的安装与优化》。
http://community.freebsdchina.org/catalog.php?forum=34 一文。
z}[u~P, cy8>M))c 安装完系统后,要重新编译内核。目的是要系统支持Firrwall和提高运行效率。
mD9Iao%4~ ^*}D*=>\ 首先确认系统是否安装了FreeBSD的内核支持。如果是最小安装,则需要运行/stand/sysinstall命令安装内核支持。方法如下:
e3ZRL91c \6wltTW]# # /stand/sysinstall
k* C69 l ms^|? 选Configure—Distributions—src—sys,内核文件将被安装在/usr/src/sys目录中。
{N2GRF~c-y )Z:-qH 注意:这之后的过程在终端上操作要方便许多。SecureCRT支持在终端界面上直接拷贝和粘贴文本内容。
ww{k_'RRJ 0eA<nK 转到内核文件目录
^aB;Oo jA1S|gV # cd /usr/src/sys/i386/conf
+ywz@0nx TB>_#+: 编辑内核文件
~!({Unt+'
nOPB*{r| # vi kernel_wwwx # kernel_wwwx为我的内核文件名
Tv|'6P ? X8`+`nh 我的内核文件如下:
4BMu0["6|s 5S4Nx> #
96\FJHtZ /(~
HHN nh # GENERIC -- Generic kernel configuration file for FreeBSD/i386
(')t>B1Z (Mfqzy #
vE[d& b[ #X)DFAtb # For more information on this file, please read the handbook section on
l iY/BkpH z"<S$sDh # Kernel Configuration Files:
570ja7C: vVB WhY] #
t 9(,JC0 7oE:] #
http://www.FreeBSD.org/doc/en_US.IS...fig-config.html 46f-po_ <@M5 C-hH #
2_Lu0Yrg ~[!Tpq5 # The handbook is also available locally in /usr/share/doc/handbook
0Y0z7A: D Z~036 # if you've installed the doc distribution, otherwise always see the
]fY:+Ru s {*rBX8N # FreeBSD World Wide Web server (
http://www.FreeBSD.org/) for the
pp|$y\ZzB %5L~&W}^" # latest information.
&4wSX{c/P x6aVNH= #
~e|E5[-i tG]W!\C'h # An exhaustive list of options and more detailed explanations of the
c
CjN8< ^d>m`*px # device lines is also present in the ./LINT configuration file. If you are
fm#7}Y m!INbIh # in doubt as to the purpose or necessity of a line, check first in LINT.
zq5N@dF UChLWf|' #
yTc&C)Jba #}6~>A # $FreeBSD: src/sys/i386/conf/GENERIC,v 1.246.2.48 2002/08/31 20:28:26 obrien Exp $
bz:En'2>F F`;q9<NYRW An]Vx<PD G=e'H- machine i386
BD$Lf,_ ?5G;=#I cpu I586_CPU
;Zf7|i`R3 7iy 2V;} cpu I686_CPU
^K<!`B U4"&T,'lTL ident kernel_wwwx #内核文件名,这个要和你的内核文件名一致
R<3 -!p1v \0*dKgN maxusers 0
W T @XHwt rZAP3)dA P e}
T MO1H?Uhx options INET #InterNETworking
ow+_g R- ?J| options FFS #Berkeley Fast Filesystem
IUWJi\, [pt U} options FFS_ROOT #FFS usable as root device [keep this!]
N5MWMN[6aP U[pR`u options SOFTUPDATES #Enable FFS soft updates support
#T>pu/EQX_ Bi/E{k, options UFS_DIRHASH #Improve performance on big directories
Ea[SS@'R dF&@q, options PROCFS #Process filesystem
sVlQ5M oo( p`"Ic2xPJ options COMPAT_43 #Compatible with BSD 4.3 [KEEP THIS!]
{\h:k\k R-k~\vCW options SCSI_DELAY=15000 #Delay (in ms) before probing SCSI
Yi`DRkp]3 nWd;XR6| options SYSVSHM #SYSV-style shared memory
Tj2pEOu &`g^b^i options SYSVMSG #SYSV-style message queues
*mw *z|-^V $F/xv&t options SYSVSEM #SYSV-style semaphores
hBDmC_\~ DRVvC~M-, options P1003_1B #Posix P1003_1B real-time extensions
Tkj
F/zv Co/04F. options _KPOSIX_PRIORITY_SCHEDULING
(F#2z\$; 7<*g'6JG[ options ICMP_BANDLIM #Rate limit bad replies
QNZ#SG8 a 4?c~bs options AHC_REG_PRETTY_PRINT # Print register bitfields in debug
/RF&@NJE5 ?%T]V+40 # output. Adds ~128k to driver.
;|,*zD B?d+^sz] options AHD_REG_PRETTY_PRINT # Print register bitfields in debug
EQy~ ^7V B MdnapxuS # output. Adds ~215k to driver.
i2)$%M& S`h yRw ~T=a]V `{ \)Wuw device tun 1
&!>.)I` u} [.*e options IPFIREWALL #防火墙
>=Na, D m-9ChF:U options IPFIREWALL_FORWARD #允许透明代理
A4)TJY
3g dFk$rr>q options IPFIREWALL_VERBOSE #允许防火墙日志
fTGVG 2t3)$\ylQp options IPFIREWALL_VERBOSE_LIMIT=100 #限制日志
lgefTT GX) );xTl6Y9 options IPFIREWALL_DEFAULT_TO_ACCEPT #默认允许所有IP包
5[`f(; As|e=ut( options IPDIVERT #启用由ipfw divert使用的转向IP套接字
FD8d-G Y";KWA}b }n k[WW PSU}fo # To make an SMP kernel, the next two are needed
xQxq33\ Md*.q^: #options SMP # Symmetric MultiProcessor Kernel
>UXNR`? CH0Nkf #options APIC_IO # Symmetric (APIC) I/O
eY`o=xN +o K*5 Y 55zy]|F" acow device isa
=DXN`]uN $OaxetPH device eisa
dlioa Yc +EH"A device pci
lB ^(Wu$\SA :CP,DO 1P G"IaOb ?DKY;:dZF ;eW\41 w # ATA and ATAPI devices
jaQH1^~l/- pzeCdHF device ata
pL,l uP^u:'VjbH device atadisk # ATA disk drives
di37 nPUD6<bF U,Fyi6{~ #j)"#1IE2W 0CK3jdZ+X A5Lzd # SCSI Controllers #没有SCSI设备不需要这段
H`rd bE <4582x,G device ahb # EISA AHA1742 family
zxeT{AFPr? :a9 device ahc # AHA2940 and onboard AIC7xxx devices
_Sl3) b8glZb*$ device ahd # AHA39320/29320 and onboard AIC79xx devices
E[<*Al+N P+DIo7VTX device amd # AMD 53C974 (Tekram DC-390(T))
6 !wk5# 7 4]qz, device isp # Qlogic family
\jx3Fs:Q ?@;#|^k9
device mpt # LSI-Logic MPT/Fusion
KtHkLYOCG WWATG= device ncr # NCR/Symbios Logic
MfO:BX@$ 5<YL^m{/L device sym # NCR/Symbios Logic (newer chipsets)
)W&{OMr me-uPm options SYM_SETUP_LP_PROBE_MAP=0x40
],Yy)<e. %*#+(A"V # Allow ncr to attach legacy NCR devices when
]'pL*&"X uaZHM@D # both sym and ncr are configured
cZ# %tT# 4issj$ QQv%>=_` n]i#&[*A( device adv0 at isa?
x,ZF+vE <. *bJ device adw
?:G 3U\M 6[SIDOp*^ device bt0 at isa?
YrV@k*O* c94=>p6 device aha0 at isa?
Sa
kew AQmHa2P device aic0 at isa?
hCS} y
G3aF( ZJ.an%4 pdvnpzj device ncv # NCR 53C500
6q6xqr:W jFUpf.v2 device nsp # Workbit Ninja SCSI-3
~9E_L?TW* ZvMU3])u device stg # TMC 18C30/18C50
0[e!/*_V D
<R_eK UtP|<]{ 2`TV(U@ # SCSI peripherals #没有SCSI设备不需要这段
M&/%qF15 imeE& device scbus # SCSI bus (required)
}>d :mW<
E device da # Direct Access (disks)
Q$v00z]f* `j(._`8%a device sa # Sequential Access (tape etc)
igW* {)h3 ~UZ3 lN\E device cd # CD
8'%m! cR_ pC
9z device pass # Passthrough device (direct SCSI access)
WgqSw%:$H JO+tY[q }ML2-k 0%dOi
ko YWvD+ a4*976~![ ?_i>Kx e6Y>Bk # atkbdc0 controls both the keyboard and the PS/2 mouse
w.a9}GC XUA@f* device atkbdc0 at isa? port IO_KBD
sQac%.H;`U %l!?d`? device atkbd0 at atkbdc? irq 1 flags 0x1
dGn0-l'q U/^#nU., )38%E;T{X h]s~w device vga0 at isa?
Z|%h-~ ]i$0s [I3Nu8 X<$Tn60, {0Y6jk>I wlJi_)! # syscons is the default console driver, resembling an SCO console
~x\uZ^: $3G^}A" device sc0 at isa? flags 0x100
45sEhs[$ jDpA>{O[ YHQ]]#' YWl#!"- Z%]K,9K
,"(G # Floating point support - do not disable.
:5,~CtF5 ` #Az#_0= device npx0 at nexus? port IO_NPX irq 13
k`8O/J Y
b3ckktY =JIceLL gZ$
8Y7 j'z#V_S U
5J
_Y # Serial (COM) ports
e"%TU IDH~nMz device sio0 at isa? port IO_COM1 flags 0x10 irq 4
@"MYq#2c$ E=ijt3 $lJcC |* >nghFm # 我用的是8139和Dlink DFE-530TX网卡,大家可根据自己的网卡型号保留或删除
m6ge
% MONX&$ # 使用公共的MII总线控制器代码的PCI以太网适配器
BqNeY<zB* ~4{q # 注意:一定要保留'device miibus'以确保可用
V2Vr7v=Y" 5;/n`Bd # PCI Ethernet NICs that use the common MII bus controller code.
hTX[W%K \dtiv& x # NOTE: Be sure to keep the 'device miibus' line in order to use these NICs!
o:AfEoH"~ PR.3EL device miibus # MII bus support
e
c&Y2 fZo#:"{/K device fxp # Intel EtherExpress PRO/100B (82557, 82558)
)y,^M3$?C 5CFNBb%Xy device rl # RealTek 8129/8139
oZvG Kf *H
Qc I- device vr # VIA Rhine, Rhine II
ApCU|*r) %lHHTZ{+ device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'')
^<CVQ8R7 EnM rL{R=0 LORcf 1X/ # Pseudo devices - the number indicates how many units to allocate.
}<04\t? YZg#H)w% pseudo-device loop # Network loopback
al9wNtMT X2|~(* pseudo-device ether # Ethernet support
bC<W7qf]} 7)lEZJK&T pseudo-device sl 1 # Kernel SLIP
a `R%\@1 L.HeBeO pseudo-device ppp 1 # Kernel PPP
KxkBP/`3Q MVYd\)\o pseudo-device tun # Packet tunnel.
n3a.)tcC Xqf,_I=V pseudo-device pty # Pseudo-ttys (telnet etc)
R /+$ : 5RP kAC pseudo-device md # Memory "disks"
~bLx2=-" =>$)F 4LW pseudo-device gif # IPv6 and IPv4 tunneling
|?!i},Ki; "n%s>@$ pseudo-device faith 1 # IPv6-to-IPv4 relaying (translation)
Fv$tl)p* UY',n, YZol4q|ic OIcXelS:@k # The `bpf' pseudo-device enables the Berkeley Packet Filter.
rW{!8FhI <Riz!(G # Be aware of the administrative consequences of enabling this!
b:dN )m 23}` e pseudo-device bpf #Berkeley packet filter
>P/36' KF.{r (完)
9wvlR6z;u n:5M
E* @-$8)?`q b#VtPn] 我用的是8139网卡和Dlink DFE-530TX网卡,如果你用其他型号的网卡,需要察看当前目录的GENERIC 内核文件,找到描述自己的网卡型号的段并将其添加到新的内核文件里。其他的不改直接拷贝过来就可以用了。
}%|ewy9|CW ZVjB$-do 接下来编译安装新内核:
/(dP)ysc 6r)P&J # /usr/sbin/config kernel_wwwx #kernel_wwwx为你的内核文件名
SMN.AJ
J M+/G>U # cd ../../compile/kernel_wwwx
&hOz(825r B~]Kqp7yU # make depend
Tgdy;? um2a#6uo # make
KkJqqO"EL \@<7Vo, # make install
*8}b&4O~ GY~$<^AK 重新启动(reboot)
(V{/8%mWc .~]|gg~ |2(q9j cn'>dz3v 如果系统升级过源代码树,按下面方法编译内核:
ai!u+L ]M?i:A$B # cd /usr/src
QYH-"-) SDnl^a # make kernel KERNCONF=kernel_wwwx #kernel_wwwx为你的内核文件名
}`tSRB7 L:i&OCU2k 重新启动
hkMeUxS ! ]4u"e n
Bu!2c fM=o?w6v FreeBSD网站平台建设全过程(二、接入Internet并配制代理服务)
({uW-% y=3 dGOFB [&lK.?V) {U5sRM|I 使用adsl接入Internet有两种情况,通过拨号获取动态ip或服务商直接给定静态ip。后者配制起来较容易。本文先讨论动态ip如何设置。
e(c\ U}& v:O{"s 由于第一步重新编译内核时已经加进了对Firewall的支持。这里就可以通过直接编辑/etc/ppp/ppp.conf文件和/etc/rc.conf文件就可以上网并支持NAT方式透明代理了。
G%W9?4_K bLc5$U$!I # vi /etc/ppp/ppp.conf
]2AOW}= ~1G^IZ6 我的ppp.conf文件内容如下:(注意set前要留空格)
]!hjKu" #CS>_qe.{ default:
k8gH#ENNK J
En jc/ set log Phase tun command
yV^Yp=f_ 5KCQvv\ set ifaddr 10.0.0.1/0 10.0.0.2/0
^~4]"J};M u~uzKG adsl: # 配置代号
so-5%S c`O~I<(Pm set device PPPoE:vr0 # vr0 改成你连接ADSL modem的网卡名
~ k*]Z8Z _>gz& set mru 1492
(i&+= +"wn +){^HC\7h set mtu 1492
)nm+_U >y%H2][ set authname username # username是拨号用户名
8hGyh# k+QGvgP[4@ set authkey password # password是拨号密码
ff--y8h h:Pfiw] set dial
*>m[ZJd %= } z'Jsy[s set login
|$WHw*F^ j >k
;Zj add default HISADDR
/~LE1^1&U i"Jy>' (完)
v93b8/1 **q8vhJM }7.A~h i?T-6{3I # vi /etc/rc.conf
t{})6 A 3 V 我的rc.conf文件内容如下:(动态ip)
!j!w$ V^7.@BeT # -- sysinstall generated deltas -- # Tue Jul 15 21:20:28 1997
%.bDK} _zj^k$ j # Created: Tue Jul 15 21:20:28 1997
eMGJx "a 5/.W-Q\pl} # Enable network daemons for user convenience.
'54\!yQ<{ `Vvi]>,cg` # Please make all changes to this file, not to /etc/defaults/rc.conf.
HLyAzB~r zs=3e~o3 # This file now contains just the overrides from /etc/defaults/rc.conf.
*Y> w0k xe@e#9N$ hostname="wwwx.3322.org" # 你的主机域名
:zL)O kpgvAKyx ifconfig_fxp0="inet 192.168.0.1 netmask 255.255.255.0" #内网网卡ip地址,fxp0是网卡名
"uH>S+%|b BlJiHz! inetd_enable="YES" # 开机加载inetd
n Bm ]? 1l-5H7^w2? kern_securelevel_enable="NO"
:1 +Aj
( dIC\U linux_enable="YES"
hjL;B'IL .fWy\r0 nfs_reserved_port_only="NO"
lY,^ ::Zo` vP sendmail_enable="NO"
;yNc7Vl l>6tEOXt sshd_enable="YES"
e!VtDJDS M+ [ho] usbd_enable="NO"
'/O:@P5qY TFXBN.?9T gateway_enable="YES"
Lu#q o^ oc1BOW z firewall_enable="YES" #启用防火墙
*'((_NZ> =Jm[1Mgt firewall_script="/etc/rc.firewall"
fRS;6Jc OnTe_JML firewall_type="open"
g Wtc3 +O/b[O'0 firewall_quiet="YES"
Sa g)}6+ ]N'3jf`W firewall_logging_enable="YES"
um,f!ho-U B4.:
9Od3 ppp_enable="YES" # 开机自动拨号
2U)n^ wOAR NrPx2 ppp_mode="ddial"
O`Tz^Q/D w/|&N>ZOx ppp_nat="YES" # 启用透明代理
T;6M UmyC -[=~!Qr: ppp_profile="adsl" # 配置代号
wn"}<ka 01r%K@ xX\ # -- sysinstall generated deltas -- # Wed Jul 16 06:52:13 1997
xF8r+{_J)
[
<X% (完)
8w5}9}xF i$NlS}W {SV/AN ]PS`"o,pF$ 这样重新启动后就可以拨号上网并实现透明代理了。客户端需要设置dns服务器为服务商提供的dns,网关设成代理服务器的内网卡ip地址,这里是192.168.0.1。并把IE中“internet选项”关于连接设置的所有复选框清除。
ovKM;cRs/ "D'e 如果解析不了域名,检查一下/etc/resolv.conf文件是否加入了正确的dns服务器地址。
KlT:&1SB9 {s8c@-' M=iTwK g~DuK|+ 如果是静态ip方式,则只需要编辑/etc/rc.conf文件。
i<Z% @j\:K<sk 我的/etc/rc.conf文件如下:(静态ip)
vhBW1/w&F Z|t=t"6" # -- sysinstall generated deltas -- # Tue Jul 15 21:20:28 1997
9,?~dx ~P|;Y<?3 # Created: Tue Jul 15 21:20:28 1997
4p"' ox# T]tP!a;K # Enable network daemons for user convenience.
f"s_dR |Y
uf/G%/ # Please make all changes to this file, not to /etc/defaults/rc.conf.
$yx\2 -`faXFW' # This file now contains just the overrides from /etc/defaults/rc.conf.
JV~
Dly> w~@"r#- hostname="wwwx.3322.org" #主机域名
h ;*x1BVE }5+^ defaultrouter="218.10.104.1" #服务商提供的路由器地址
`\( ?^]WLa @}
Ig*@ ifconfig_vr0="inet 218.10.104.188 netmask 255.255.255.0" #服务商提供的静态ip
BgXZr,? cKVFykwM ifconfig_fxp0="inet 192.168.0.1 netmask 255.255.255.0" #内部网卡ip
&l+Qn'N j!4{+&Laq inetd_enable="YES" #开机加载inetd
}#^Cj; Jj=qC{] kern_securelevel_enable="NO"
s[8. l35| E&8Nh J linux_enable="YES"
m}l);P^ *'?ZG/ ( nfs_reserved_port_only="NO"
'J?{/O ^ Y#os6|MV# sshd_enable="YES"
t=Oq<r S/E&&{`ls sendmail_enable="NO"
3H,x4L5j X,49(-~\ usbd_enable="NO"
RiTL(Yx @\?HlGWEf gateway_enable="YES"
HR-'8?)R.A 5{HF'1XgZ* firewall_enable="YES"
%mQ&pk L -Q8iFW' firewall_script="/etc/rc.firewall"
TJv .T2| f7*Qa!!2p] firewall_type="open"
e(s0mbJE eay|>xa2 firewall_quiet="YES"
%UI^+:C N}5 firewall_logging_enable="YES"
Y*BmBRN Qhj']>#g natd_enable="YES" # 启用透明代理
)1
-<v); E7O3$B8 natd_interface="vr0" # natd接口,vr0为连接外网modem的网卡
byI"
? 76D$Nm # -- sysinstall generated deltas -- # Wed Jul 16 06:52:13 1997
~Z5AIm R| i@9
qp?eb (完)
K^!#;,0 O[ z0+Q?6Z 7> f2P!: a]Pi2:S 重起后网络连接及透明代理生效。客户端同样要按上面说的方法配制。
-. *E<% hj1;f<'
U e\X[\ve s={>{,E 使用Squid:
+Kgl/Wg% Vja 4WK* Squid是一个非常不错的代理缓存软件。我曾经一直在使用,后来因为我经常要改变web服务器里的网页,而Squid总是把我以前的页面缓存,致使不能马上反映页面的更新情况,再加上公司上网的负担不是很重。所以就不用了。
V<5. 4{[G Tbm
~@k(C 安装方法:
-,/7u3 N&G'i.w/ 在FreeBSD下安装软件最方便的方法是使用ports。本文为了让大家对通用的软件安装方法做一定的了解,我们采用通用的方法来安装squid,也就是说,下面的方法同样适用于linux或其他unix版本。
/}1|'?P uQ3sRJi fYuSfB+< V(Pw|u"
e 在ylf的用户目录下创建目录app用来存放程序安装临时文件:
Y[e.1\d' x"Ll/E)\v] # mkdir /home/ylf/app
HKbV@NW vFL$wr 将用户ylf设为/home/ylf/app目录及其子目录的所有者
[NE! m|fcWN[ # chown –R ylf /home/ylf/app
K^o$uUBe hRXnig{;3 到
http://www.squid-cache.org/Versions/v2/2.5/ 下载squid 的最新稳定版本,现在是squid-2.5.STABLE3
KK 7}q<&i ^GV'Y 打开IE浏览器,在地址栏输入
ftp://192.168.0.1 ,出现ftp登陆对话框,输入用户名ylf及密码,登录成功后。将下载的squid-2.5.STABLE3复制到app目录中。
z(c8] Wu# !r.-7hR $ 执行如下命令:
-Y+pLvG* wxBHlgK4z # cd /home/ylf/app
*
4J!@w TNh&g. # tar zxvf squid-2.5.STABLE3.tar.gz #解压缩安装包
GTB\95j] A)~oD_ooQ # cd squid-2.5.STABLE3 #进入解开的目录
nZ=[6? LS*L XC # ./configure --prefix=/usr/local/squid #配制、将squid安装在/usr/local/squid目录
KPy)%i KRGj6g+ # make all #编译
d(}?
\| ;e_us!Sn # make install #安装
o.Ww.F 7}qxWz 下面编辑squid的配置文件:
a
7v^o` /*gs] # cd /usr/local/squid/etc
A ___|
#R IJ+} 将原来的配置文件改名
cL .z{ "E7<S5cr # mv squid.conf squid.conf.bak
6{d?3Jk 0X99D2c 编辑新的配置文件
|{|B70v3Co O6e$v I@ # vi squid.conf
A%EhRAy 6|Dtx5
"r 我的squid.conf内容如下:
V1P]pP #/I+[|=[O Hwd^C2v S7j(4@ #取消对代理阵列的支持
VQf^ y q k"7ZA>5jk icp_port 0
I`xC0ZUKj h('5x,G% D$KP>G =KO]w9+\ #对日志文件和pid文件位置进行设置
C3.]dsv: ,;YNI cache_store_log none
x]Nx,tt ('%Y3z; cache_access_log /usr/local/squid/var/logs/access.log
ekfa"X_ /xSJljexz cache_log /usr/local/squid/var/logs/cache.log
_)LXD,LA >8{{H"$;( emulate_httpd_log on
Xa-TNnws? \N0wf-qa= pid_filename /usr/local/squid/var/logs/squid.pid
f3vl=EA4| \ eba9i^ Q<szH1- +MYrNR.p #设置运行时的用户和组权限
e7n0=U0 _8SB+s* cache_effective_user squid
zNGUll$ _lT'nFe=Q cache_effective_group squid
Y$,++wx i,;a( Sy4 }/tf^@ E>#@
H #设置管理信息
Bk~lM' npytb*[|c visible_hostname wwwx.3322.org.
$B9?>a|{A PGZe'r1E9 cache_mgr
yourname@yourdomain.com fwx^?/5j K}n.k[Do q$H@W.f Ma{@b$> #设置监听地址和端口
>X[:(m' A#Ga!a http_port 3128
]4')H;'y 7c%dSs6 udp_incoming_address 0.0.0.0
!z:j-gT3 ,\\=f#c= %y_pF?2@q Mc8_D,7 #设置squid用户hot object的物理内存的大小以及设置cache目录
7^@ 1cA=S -W/D Cj< cache_mem 32 MB
Cnc=GTRi Xmb##: cache_dir ufs /usr/local/squid/cache 1024 16 256
J?E!\V&U Zu~t )W ~U ]%>Zf z#n+iC$9 #访问控制设置
|Ul 4n@+2 )-iUUak acl mynet src 192.168.0.0/255.255.255.0
=_6 Q26 7)> L#(N acl all src 0.0.0.0/0.0.0.0
o5+7Lt] "*c&[ALw http_access allow mynet
Dl\0xcE 1?"Zrd http_access deny all
VsL*&Fk "cOBEhn%l .345%j TL-ALtG #透明代理设置
^"uD:f) *uxKI:rB: httpd_accel_host virtual
,>kXn1 , sP9{tk2K httpd_accel_port 80
x6\^dVR} `sv]/8RN httpd_accel_with_proxy on
D-m%eP. ]r#NjP httpd_accel_uses_host_header on
O!F"w!5@ i!<(R$Lo nAsc^Yh !_dW
` #swap 性能微调
(f*r ~jWpD7px half_closed_clients off
IpKI6[2{`f S!iDPl~ cache_swap_high 100%
:X 1Y )%:
W;H cache_swap_low 80%
N B8Yn\{B 09iD| $~ maximum_object_size 1024 KB
u b@'(* \x_$Pu ?.MlP,/K j{m{hVa #控制对象的超时时间
'E\qqE[; V* ,u;* refresh_pattern -i .html 1440 90% 129600 reload-into-ims
On@p5YRwW fKs3H?| refresh_pattern -i .shtml 1440 90% 129600 reload-into-ims
\J6e/ G PJh97%7 refresh_pattern -i .hml 1440 90% 129600 reload-into-ims
7l'1 z2dW)_fU$ refresh_pattern -i .gif 1440 90% 129600 reload-into-ims
$bk_%R}s y8|}bd<Sr refresh_pattern -i .swf 1440 90% 129600 reload-into-ims
oIKuo~
t\ 9Y)d refresh_pattern -i .jpg 1440 90% 129600 reload-into-ims
ZB,UQ~!Yr c+<gc:#jy refresh_pattern -i .png 1440 90% 129600 reload-into-ims
>>>MTV f WjBtL52 refresh_pattern -i .bmp 1440 90% 129600 reload-into-ims
Nw3IDy~T ^Ov+n1,) refresh_pattern -i .js 1440 90% 129600 reload-into-ims
T(*A0 e" p5hpl (完)
@])}+4D(S Nbm$ta S^@#%> ,j[1!*Z_[ 需要改的地方是访问控制设置中的子网改成你自己的子网。其他的地方可根据需要调整。不改也可。
${7s"IX ;;zd/n2b 如果不使用日志,将日志设置部分改成如下句子:
,,Vuvn *18J$ cache_store_log none
E._ [P/PB G*^4CJ cache_access_log /dev/null
MAG/7T5 2ZQ|nwb7 cache_log /dev/null
atfK?VK# Dl=vv9 ^|%7}=e j!?bE3r~ 添加squid系统用户和组
g_MxG!+(V ;0E[ ;
L! # pw groupadd squid
4' <y
l65Qk2<YC # pw useradd squid -g squid -s /sbin/nologin
BKW%/y" q62U+o9G 建立cache目录
E&|EokSyN M
cbiO)@I # mkdir /usr/local/squid/cache
Z-z(SKL 1?#Wg>7' 改变cache目录和logs目录的所有者为squid用户和组
_."X# }W V?z-Dt C # chown –R squid /usr/local/squid/cache
VDPq3`$+v{ o(Ro/U(Wu # chgrp –R squid /usr/local/squid/cache
&ETPYf%# )mRKIM}*W # chown –R squid /usr/local/squid/var/logs
_jrkR
n1 " +P"u1q*+p # chgrp –R squid /usr/local/squid/var/logs
\W})Z72 azpXE 运行squid –z建立cache目录结构
|#(g8ua7 <x1H:8A # /usr/local/squid/sbin/squid –z
3x~AaC.j 8]0?mV8iOE 9 kS;_(DB jh.e&6 测试squid运行情况
WevXQ-eKm =J&aN1Hgt # /usr/local/squid/sbin/squid –NCd1
O7tL,)Vv m3iB` 出现下面显示证明squid安装成功
E 5bo60z =)y=39&;/ 2003/06/21 18:01:09| Starting Squid Cache version 2.5.STABLE3 for i386-unknown-freebsd4.7...
I45\xP4i ;Ajy54}7 2003/06/21 18:01:09| Process ID 160
3q0^7)m0 <\5Y~!) 2003/06/21 18:01:09| With 957 file descriptors available
ZE>!]# , f@= lK?Pfh 2003/06/21 18:01:09| Performing DNS Tests...
Oe%jV,S |V 'P?DZE 2003/06/21 18:01:09| Successful DNS name lookup tests...
;
+E@h=? db.E-@W.OI 2003/06/21 18:01:09| DNS Socket created at 0.0.0.0, port 1029, FD 4
PyfOBse}r Dhe ]f#d 2003/06/21 18:01:09| Adding nameserver 202.97.224.68 from /etc/resolv.conf
N8:&v }8qsE 2003/06/21 18:01:09| Unlinkd pipe opened on FD 9
XZ8;Ow= 6M758K6v 2003/06/21 18:01:09| Swap maxSize 1048576 KB, estimated 80659 objects
V2?&3Z)W ZM%z"hO9R 2003/06/21 18:01:09| Target number of buckets: 4032
)z#M_[zC> g"Z X1X 2003/06/21 18:01:09| Using 8192 Store buckets
ku}I;k | (e;9,~u) 2003/06/21 18:01:09| Max Mem size: 32768 KB
8QGj:3 p@7[w@B\c 2003/06/21 18:01:09| Max Swap size: 1048576 KB
r?= 7#/] O/=i'0Xv 2003/06/21 18:01:09| Store logging disabled
|O]oX[~ Rl""
aZ 2003/06/21 18:01:09| Rebuilding storage in /usr/local/squid/cache (DIRTY)
e
r;3TG~ ,\K1cW~U5 2003/06/21 18:01:09| Using Least Load store dir selection
Vhs:X~=qL 5Y8/ZW~D0 2003/06/21 18:01:09| Current Directory is /usr/local/squid/etc
~xg1mS9d vK\;CSk
2003/06/21 18:01:09| Loaded Icons.
X;ZR"YgT d6.9]V? 2003/06/21 18:01:09| Accepting HTTP connections at 0.0.0.0, port 3128, FD 8.
Tx7YHE6{ J
dDP 2003/06/21 18:01:09| WCCP Disabled.
Vhww-A {-]/r 2003/06/21 18:01:09| Ready to serve requests.
;mLbJT
?)cNe:KY 2003/06/21 18:01:16| Done scanning /usr/local/squid/cache swaplog (0 entries)
j}?O u= K?K 2003/06/21 18:01:16| Finished rebuilding storage from disk.
3a4 ]{ kgz2/, 2003/06/21 18:01:16| 0 Entries scanned
BK'!WX mdOF0b%-] 2003/06/21 18:01:16| 0 Invalid entries.
t
_Q/v <&o
`T4 2003/06/21 18:01:16| 0 With invalid flags.
LTY@}o]\U AX%9k 2003/06/21 18:01:16| 0 Objects loaded.
&:-`3J- >=2nAv/( 2003/06/21 18:01:16| 0 Objects expired.
G2k r~FG Wv"[,5
Z13 2003/06/21 18:01:16| 0 Objects cancelled.
@Ey(0BxNu I@ch 5vl4 2003/06/21 18:01:16| 0 Duplicate URLs purged.
%rTXT xnu|?;.}! 2003/06/21 18:01:16| 0 Swapfile clashes avoided.
,7pO-:*g Uc}L/ax 2003/06/21 18:01:16| Took 7.3 seconds ( 0.0 objects/sec).
C/[2?[ hSD)| 2003/06/21 18:01:16| Beginning Validation Procedure
0=s+bo1 )4a&OlEI 2003/06/21 18:01:16| Completed Validation Procedure
(G"b)"Qum nrA}36 E 2003/06/21 18:01:16| Validated 0 Entries
?/{
qRz'C< ;P _`4w3 2003/06/21 18:01:16| store_swap_size = 0k
-Tk~c1I#` HF5aU:M 2003/06/21 18:01:17| storeLateRelease: released 0 object
k-T_,1l{ +
&b`QcH< 否则根据提示检查配制文件。
gzP(LfI5 q[b-vTzI E+"INX7 ^#S 为了使squid的透明代理起作用,需要设置端口转发。方法如下:
/Yx 1S'5 @dJ
s 编辑/etc/rc.firewall文件,添加下面一句
@^;WC+\0 (XRj##G{ ipfw add 00500 fwd 127.0.0.1,3128 tcp from 192.168.0.0/24 to any 80
o&?Tz*"l t_,iV9NrZ pp#Kb 2* A@_F ;4X 下面建立squid的启动脚本squid.sh:
VPn#O h.4;-& 首先建立/usr/local/etc/rc.d目录
IVkKmO(qO +B_q? 6pR # mkdir /usr/local/etc
[gzw<b:` ss,t[`AV{ # mkdir /usr/local/etc/rc.d
N!"GwH yi# Nrc5B # cd /usr/local/etc/rc.d
@OFl^U0/ xv7^ # vi squid.sh
V uJth
tJ.LPgfZ 文件内容如下:
(LRv c!`" d)r=W@tF] #!/bin/sh
Lvv`_ Fdu0?H2TL MY9?957F dm.?-u;C #if ! PREFIX=$(expr $0 : "\(/.*\)/etc/rc\.d/$(basename $0)\$"); then
$NG}YOP)@ IDE@{Dy # echo "$0: Cannot determine the PREFIX" >&2
cKF02?)TX PM=I # exit 1
p5)A"p8"9, IOTHk+w #fi
9Wx q 8DLR pVt-7AgW 4=F~^Xc` case "$1" in
^;W,:y& ?)4|WN|c_ start)
:;{U2q+ V}pw ,2s if [ -x /usr/local/squid/sbin/squid -a -f /usr/local/squid/etc/squid.conf ]; then
EW#.)@- '9<Mk-Aj (cd /usr/local/squid/var/logs; /usr/local/squid/sbin/squid >/dev/null 2>&1 &) ; echo -n ' squid'
a_QO) ?h
K+h .{ fi
pl
q$t/.U; ;?z b ( 2 ;;
UTin0k }4_izKS stop)
cQgmRHZ] GsqrKrbJ /usr/local/squid/sbin/squid -k shutdown 2>&1
nF
A7@hsm QE<63| # Uncomment this if you'd like the system to (attempt to
)]>=Uo _Mq@58q' # wait for) squid to shut down cleanly
Lk#u^|Eq7= rCYNdfdpp #echo "Sleeping for 45 seconds to allow squid to shutdown.."
)F4er' f_D1zU^ #sleep 45
ZW+{<XTof4 quGb;)3 ;;
fB )_xM)mH *)
zFB$^)v"< Uy_`=JZ echo "Usage: `basename $0` {start|stop}" >&2
jn)~@~c B S b!{|] ;;
G_j`6v) /wCP(1Mw esac
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