Linux Wireless Card Command Line Help
November 8, 2009 Leave a Comment
Here is a list of Cli commands which provide valuable information when trying to configure your wireless connection
sudo iwlist scanning – shows wireless networks that are available in the area with basic encryption information
sudo lshw -C network – Shows Details of Interface card and drivers of each networking device
sudo lspci -nn – Shows PCI vendor and device codes as both numbers and names of hardware connected to the pci bus
lsusb – Shows USB connected hardware
lshw -C usb – Additional info on USB related hardware (good for USB dongles)
route -n – Lists kernel IP routing table — Good for troubleshooting problems with the gateway
sudo route add default gw 192.168.1.1 – Example of how to set the default gateway to 192.168.1.1
sudo route del default gw 192.168.1.1 – Example of how to delete the default gateway setting
sudo modprobe ***** – Loads the kernel module **** . (Example usage – sudo modprobe ndiswrapper, sudo modprobe r818x, sudo modprobe ath_pci)
sudo modprobe -r **** – Unloads the kernel module ****. (Example usage – sudo modprobe -r ath_pci)
sudo ifconfig – lists IP address
sudo ifup/ifdown – Brings up/down the interface and clears the routing table for the specified interface
sudo ifconfig wlan0 up/down – Brings up/down the interface for the specified interface
sudo dhclient – Request IP address from DNS server for specified interface
sudo dhclient -r – Release IP address associated with specified interface
sudo iptables -L – Lists firewall rules
sudo iptables -F – Flush all firewall rules
dmesg | more – Lists boot log — good for troubleshooting problems with modules/drivers not being loaded
uname -r – Displays kernel version
/etc/udev/rules.d/70-persistent-net.rules – File which assigns logical names (eth0, wlan0, etc) to MAC addresses
cat /etc/resolv.conf – Lists DNS servers associated with network connections (Network Manager)
/etc/dhcp3/dhclient.conf – File which sets or modifies dns (domain name servers) settings
About rich scadding
Recent Comments