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#!/bin/bash
yum install dhcp -y //安裝DHCP服務(wù)
yum install expect -y //安裝expect工具
/usr/bin/expect <<-EOF
spawn cp /usr/share/doc/dhcp-4.2.5/dhcpd.conf.example /etc/dhcp/dhcpd.conf
//spawn追蹤后面的命令
expect{ //匹配
"cp*" //用“*”代表后面一長串命令
{send "yes\r"} //交互式輸入yes '\r’代表回車
}
expect eof
EOF
cat <<-EOF >> /etc/dhcp/dhcpd.conf //在DHCP配置文件中寫入命令
subnet 192.168.100.0 netmask 255.255.255.0 { //網(wǎng)段,子網(wǎng)掩碼
range 192.168.100.20 192.168.100.200; //網(wǎng)段范圍
option routers 192.168.100.1; //網(wǎng)關(guān)
EOF
}
EOF
systemctl stop firewalld.service //關(guān)閉防火墻
setenforce 0 //關(guān)閉增強(qiáng)功能
systemctl start dhcpd //開啟DHCP服務(wù)
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