Connecting to a Wireless LAN with Linux, Part 2 - page 2
Getting OnlineRed Hat, Fedora, CentOS, and most Red Hat clones have the excellent Network Configuration Tool. On Red Hat the command to open it is
redhat-config-network. On Fedora the command is
system-config-network. If it is not on your system it can be installed separately.
Fire it up and highlight the wireless adapter on the Devices tab, and click Edit. The key configuration items are:
- On the General tab enable "Allow all users to enable and disable the device," and enter your network settings.
- On the Wireless Settings tab, set the Mode to "Managed."
- Check the "Specified" Network Name (SSID) and enter the SSID for your access point.
- Enter your WEP or WPA/WPA2 encryption key name or hex number, if your access point supports any of these. WEP is regarded as feeble and easily cracked; WPA/WPA2 is not supported on all wireless adapters or in all Linux drivers. However, you should use whatever is available--don't transmit in the clear.
- Click OK and return to main Network Configuration menu, click File -> Save, hit the Activate button for the wireless adapter, and there you are.
Don't use ad-hoc, or peer-to-peer mode, which leaves you open to random connections. Ad-hoc mode is useful for quick easy connectivity without needing an access point, such as for meetings, so be sure to use it only when you really intend to.
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