课件13 lvs实验环境介绍

基于Linux实验环境介绍主讲:Ｍerin实验环境L

inux

CentOS

release

5.5(Final)查看linux版本及内核版本#lsb_release-a

列出所有版本信息(CentOS,Suse,Debian等都可以使用)#cat/etc/issue

查看系统版本#cat

/proc/version

查看当前操作系统版本信息#uname

–a[-r]

查看版本当前操作系统内核信息#cat

/proc/version #more

/etc/redhat-release#getconf

LONG_BIT

查看系统是32位还是64位#cat

/proc/meminfo #cat

/proc/cpuinfo1.client:ip:112.LVSvip:1

=>eth0:0ip:

=>eth0web-server1 ip:

=>

eth0web-server2

ip:

=>eth0LVS服务器操作步骤开启IP转发echo

"1"

>/proc/sys/net/ipv4/ip_forward关掉ICMPecho

"0"

>/proc/sys/net/ipv4/conf/all/send_redirectsecho

"0"

>/proc/sys/net/ipv4/conf/default/send_redirectsecho

"0">/proc/sys/net/ipv4/conf/eth0/send_redirects3.IP及网关配置/sbin/ifconfig

eth0

broadcast

55

netmask

/sbin/ifconfig

eth0:0

1

broadcast

55

netmask

/sbin/route

add

default

gw

netmask

metric

14.测试网络连通性

#ping-c

1

#ping-c

1

5.Ipvsadm配置及启动/sbin/ipvsadm

–C/sbin/ipvsadm

-A

-t

1:80

-s

rr/sbin/ipvsadm

-a

-t

1:80

-r

:80

-m

-w

1/sbin/ipvsadm

-a

-t

1:80

-r

:80

-m

-w

1/sbin/ipvsadm保存：/etc/init.d/ipvsadm

save启动：/etc/init.d/ipvsadm

startWeb-server1服务器操作步骤1.关闭IP转发echo

“0">/proc/sys/net/ipv4/ip_forward3.IP及网关配置/sbin/ifconfig

eth0

broadcast

55

netmask

#installing

default

gw

for

vs-nat'/sbin/route

add

default

gw

#show

routing

table/bin/netstat

-rn#checking

if

DEFAULT_GWis

reachableping

-c

1

#looking

for

VIP

on

director

from

realserverping

-c

1

3.

开启http#lsof

–i:80

查看是否有进程占用80端口

#/etc/init.d/httpd

start#/usr/local/apache2/bin/httpd启动httpdWeb-server2服务器操作步骤1.关闭IP转发echo

“0">/proc/sys/net/ipv4/ip_forward3.IP及网关配置/sbin/ifconfig

eth0

broadcast

55

netmask

修改IP地址/sbin/route

add

default

gw

配置网关#show

routing

table/bin/netstat-rn

查看路由表

#checking

if

DEFAULT_GWis

reachableping-c

1

#looking

for

VIP

on

director

from

realserverping-c

1

测试网络连通性3.

开启http#lsof

–i:80

查看是否有进程占用80端口

#/etc/init.d/httpd

start#/usr/local/apache2/bin/httpd启动httpd课