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Configuring OpenWrt in TP-Link 702n

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如何重置一个损坏的 OpenWrt

删除 overlay 下的文件即可

rm -rf /overlay/*

网络配置

1.Assign a Password for Root

    telnet 192.168.1.1     passwd root     exit

2.Interface config: /etc/config/network

config interface "loopback"
    option ifname "lo"
    option proto "static"
    option ipaddr "127.0.0.1"
    option netmask "255.0.0.0"
config interface "lan"
    option ifname "eth0"
    option proto "dhcp"
config interface "wifi"
    option proto "static"
    option ipaddr "172.19.1.1"
    option netmask "255.255.255.0" 

3.Wireless Config: /etc/config/wireless

1) **remove to enable wifi**
    # REMOVE THIS LINE TO ENABLE WIFI:
    option disabled 1
2) config wifi interface
    config wifi-iface
        option device "radio0"
        option network "wifi"
        option mode "ap"
        option ssid "WR703n"
        option encryption "psk2"
        option key "secret"

4.DHCP Config: /etc/config/dhcp

config dhcp wifi                                          
    option interface        wifi                      
    option start    100                               
    option limit    150                               
    option leasetime        12h                       
                                                  
config dhcp lan                               
    option interface        lan           
    option ignore   1

###5.Firewall Config: /etc/config/firewall

config defaults
    option syn_flood 1
    option input ACCEPT
    option output ACCEPT
    option forward ACCEPT
config zone
    option name lan
    option network "lan"
    option input ACCEPT
    option output ACCEPT
    option forward ACCEPT
    option masq 1
    option mtu_fix 1
config zone
    option name wifi
    option network "wifi"
    option input ACCEPT
    option output ACCEPT
    option forward ACCEPT
config forwarding
    option src lan
    option dest wifi
config forwarding
    option src wifi
    option dest lan 
PS: to use pppoe, lan -> wan

###6.Reboot

Mount Exteral Drive and Extroot(pivot root)

1.Add USB support

        opkg update && opkg install kmod-usb2         insmod ehci-hcd         opkg install kmod-usb-storage block-mount kmod-fs-ext4      ###2.Copy the Entire / to USB Storage         mkdir -p /mnt/sda1         mount /dev/sda1 /mnt/sda1         mkdir -p /tmp/cproot         mount --bind / /tmp/cproot         tar -C /tmp/cproot -cvf - . | tar -C /mnt/sda1 -xf -         umount /tmp/cproot         umount /mnt/sda1 ###2.Edit /etc/config/fstab file         config mount             option target /  # this is curcial             option device /dev/sda1             option fstype ext4             option options rw,sync             option enabled 1 #remeber to change this             option enabled_fsck 0 

(Necessary only if you are not extrooting) Opkg to Exteral Drive

###1.Edit /etc/opkg.conf file         dest usb /mnt/usb ###2.Edit /etc/profile file         export USB=/mnt/usb         # it's crucial to make customized bin preceeds system ones         export PATH=$USB/usr/bin:$USB/usr/sbin:$PATH         export LD_LIBRARY_PATH=$USB/lib:$USB/usr/lib ###3.Remeber to use         opkg isntall -d usb ###4.fix         run linkmaker to link /etc to /mnt/usb/etc !!!!!!!!!!!!!!!!!!!!!below is down on extroot!!!!!!!!!!!!!!!!!!!!!!!

安装 Python

opkg install python

TODO: 不知道能否交叉编译一个 micropython

Samba configuration

    1.Install Samba         opkg install samba36-server     2.mkdir ~/share       chmod 777 ~/share     3.Share Level Share         1. Edit /etc.config/samba file         config samba             option 'name'                   'OpenWrt'             option 'workgroup'              'WORKGROUP'             option 'description'            'OpenWrt'             option 'homes'                  '0' # disable ~ dir sharing         config sambashare             option name                     share             option path                     /root/share             option read_only                no # enable write             option guest_ok                 yes # enable no passwd visit             option create_mask              0777             option dir_mask                 0777         2. change security = user to security = share in /etc/samba/smb.conf.template          4./etc/init.d/samba enable && /etc/init.d/samba start

免密码登录

scp ~/.ssh/id_rsa.pub root@ow:/etc/dropbear/authorized_keys

更改 banner

编辑 /etc/banner 即可

SSH Proxy

    1.install openssh and autossh         mv /usr/bin/ssh /usr/bin/ssh.dropbear         mv /usr/bin/scp /usr/bin/scp/dropbear         opkg install openssh-client autossh

禁用 luci

/etc/init.d/uhttpd disable

Install Camera

    1.install video support         opkg install kmod-video-core kmod-video-uvc mjpg-streamer fswebcam     2.Using fswebcam         fswebcam capture.jpg -r 640x480     3.Using mjpg-streamer

Static DHCP leases

    1.vi /etc/config/dhcp       http://wiki.openwrt.org/doc/uci/dhcp#static.leases

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