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
2.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
3.(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:$PATH
export LDLIBRARYPATH=$USB/lib:$USB/usr/lib
3.Remeber to use
opkg isntall
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
5.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 readonly no # enable write
option guestok yes # enable no passwd visit
option createmask 0777
option dirmask 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
8.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
10.Install Camera
1.install video support
opkg install kmod-video-core kmod-video-uvc mjpg-streamer fswebcam
2.Using fswebcam
fswebcam capture.jpg -r 640×480
3.Using mjpg-streamer
11.Static DHCP leases
1.vi /etc/config/dhcp
http://wiki.openwrt.org/doc/uci/dhcp#static.leases