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Tag Archive: network

Ubuntu 12.04 Wireless unmanaged

When installing Ubuntu, and during install You choose to use wlan0 interface. On first system boot wireless becomes unmanaged, and You can’t choose wireless AP. solution is to edit file /etc/network/interfaces There should be lines like

delete those lines and reboot computer. Network manager will be able to control wifi.

reset network interfaces on centos 6.3

If You copy/clone Your machine, or change network card, on linux Your interfaces get names eth1, eth2, eth3 and so on. Before makeing changes just delete /etc/udev/rules.d/70-persistent-net.rules file. After first boot, network interfaces will be enumerated from zero again.

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