CentOS 6.0 tftp服务安装与配置，

安装步骤：

1.

(1) yum install tftp --> 安装tftp client

(2) yum install tftp-server -->安装tftp server

(3) yum install xinetd -->安装tftp的超级服务守护进程

2. 安装完成,查看一下

[root@localhost CentOS]# rpm -qa|grep tftp

tftp-server-0.42-3.1.el5.centos

tftp-0.42-3.1.el5.centos

3. 修改配置文件，修改如下：

[root@localhost CentOS]# vim /etc/xinetd.d/tftp

# default: off

# description: The tftp server serves files using the trivial file transfer

# protocol. The tftp protocol is often used to boot diskless

# workstations, download configuration files to network-aware printers,

# and to start the installation process for some operating systems.

service tftp

{

socket_type = dgram

protocol = udp

wait = yes

user = root

server = /usr/sbin/in.tftpd

server_args = -s /tftpboot //修改的地方

disable = no //修改的地方

per_source = 11

cps = 100 2

flags = IPv4

}

说明：

设置Tftp共享目录：进入/etc/xinetd.d/Tftp文件，修改server_args项中的目录，，disable
=no ，

说明：修改项server_args= -s -c，其中处可以改为你的Tftp-server的根目录，参数-s指定chroot，-c指定了可以创建文件。

注意：共享目录一定不要选择/root这样的特权目录，否则传输文件会失败accwss denied

4.

6. 重启xinetd,并配置tftp开机启动

[root@localhost CentOS]# service xinetd restart

[root@localhost CentOS]# setup //这里主要是关闭防火墙

修改权限:

[root@localhost /]# chmod 777 /tftpboot/ //这里主要是在./目录下建立了一个tftpboot的目录，更改其目录的权限

重启:

[root@localhost ~]# service xinetd restart

使用TFTP烧写开发板，基于CentOS6.4——ok6410

3）链接好开发板与电脑的网线，打开minicom，将内核镜像烤到设置好的tftp目录。开发上电。（开发板与主机必须在 同一网段）

4）发现不能烧写，查资料后原来要安装客户端：

rpm -vih /mnt/cdrom/Packages/tftp-0.49-7.el6.i686.rpm

然后：

[arm@acer Desktop]$ sudo service xinetd restart

Stopping xinetd: [ OK ]

Starting xinetd: [ OK ]

[arm@acer Desktop]$ netstat -a|grep tftp

udp 0 0 *:tftp *:*

#tftp 板子的IP

tftp> mode binary

tftp> put filename

或者tftp -m binary hostip -c put filename，也可以，这个命令在FC6下可行～～

宿主机使用tftp客户端，板子为serve。Linux下tftp默认是采用ASCII方式传送文件的，而映象为二进制，所以要设定为binary模式。

如果烧写不成功，关闭防火墙试试

另外一种方式就是通过norflash模式下载，通过minicom链接开发板上电后选择：

Enter TFTP download mode menu

进入tftp模式，通过[p] Test network (TQ2440 Ping PC's IP)

测试网络联通性。

[python]
view plaincopyprint?

Enter your selection: p TQ2440 ping PC IP:ping 192.168.1.103 dm9000 i/o: 0x20000300, id: 0x90000a46 MAC: 0a:1b:2c:3d:4e:5f checksum bad host 192.168.1.103 is alive

Enter your selection: p
TQ2440 ping PC IP:ping 192.168.1.103
dm9000 i/o: 0x20000300, id: 0x90000a46
MAC: 0a:1b:2c:3d:4e:5f
checksum bad
host 192.168.1.103 is alive

则说明通了。

下载内核：

[python]
view plaincopyprint?

Enter your selection: 3 dm9000 i/o: 0x20000300, id: 0x90000a46 MAC: 0a:1b:2c:3d:4e:5f TFTP from server 192.168.1.103; our IP address is 192.168.1.6 Filename 'zImage.bin'. Load address: 0x30000000 Loading: checksum bad T checksum bad T T T T T T T T T

Enter your selection: 3
dm9000 i/o: 0x20000300, id: 0x90000a46
MAC: 0a:1b:2c:3d:4e:5f
TFTP from server 192.168.1.103; our IP address is 192.168.1.6
Filename 'zImage.bin'.
Load address: 0x30000000
Loading: checksum bad
T checksum bad
T T T T T T T T T

防火墙设置：root下执行setup->Firewall configuration--> Customize->TFTP，空格选中。保存推出。

重新下载：

[python]
view plaincopyprint?

Enter your selection: 3 dm9000 i/o: 0x20000300, id: 0x90000a46 MAC: 0a:1b:2c:3d:4e:5f TFTP from server 192.168.1.103; our IP address is 192.168.1.6 Filename 'zImage.bin'. Load address: 0x30000000 Loading: checksum bad T ################################################################# ################################################################# #################################### done Bytes transferred = 2415772 (24dc9c hex) NAND erase: device 0 offset 0x200000, size 0x300000 Erasing at 0x4e0000 -- 100% complete. OK NAND write: device 0 offset 0x200000, size 0x24dc9c Writing data at 0x44d800 -- 100% complete. 2415772 bytes written: OK

Enter your selection: 3
dm9000 i/o: 0x20000300, id: 0x90000a46
MAC: 0a:1b:2c:3d:4e:5f
TFTP from server 192.168.1.103; our IP address is 192.168.1.6
Filename 'zImage.bin'.
Load address: 0x30000000
Loading: checksum bad
T #################################################################
#################################################################
####################################
done
Bytes transferred = 2415772 (24dc9c hex)

NAND erase: device 0 offset 0x200000, size 0x300000
Erasing at 0x4e0000 -- 100% complete.
OK

NAND write: device 0 offset 0x200000, size 0x24dc9c

Writing data at 0x44d800 -- 100% complete.
2415772 bytes written: OK

下载成功！