Sau khi cài networkmanager và chạy lệnh #systemctl enable NetworkManager, reboot máy, thử ping thi vẫn không có connect.
Job for netctl@wlp7s0\x2dcopmoon.service failed. See 'systemctl status netctl@wlp7s0\x2dcopmoon.service' and 'journalctl -xn' for det$ [root@arch kent]# journalctl -xn -- Logs begin at Wed 2014-01-01 12:11:41 ICT, end at Wed 2014-01-01 17:10:24 ICT Jan 01 17:10:18 arch dbus-daemon[250]: dbus[250]: [system] Activating via system Jan 01 17:10:18 arch dbus[250]: [system] Activating via systemd: service name='o Jan 01 17:10:18 arch dbus[250]: [system] Activation via systemd failed for unit Jan 01 17:10:18 arch dbus-daemon[250]: dbus[250]: [system] Activation via system Jan 01 17:10:24 arch network[412]: WPA association/authentication failed for int Jan 01 17:10:24 arch NetworkManager[248]: <info> (wlp7s0): supplicant interface Jan 01 17:10:24 arch network[412]: Failed to bring the network up for profile 'w Jan 01 17:10:24 arch systemd[1]: netctl@wlp7s0\x2dcopmoon.service: main process Jan 01 17:10:24 arch systemd[1]: Failed to start Networking for netctl profile w -- Subject: Unit netctl@wlp7s0\x2dcopmoon.service has failed -- Defined-By: systemd -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel -- Documentation: http://www.freedesktop.org/wiki/Software/systemd/catalog/be02c -- -- Unit netctl@wlp7s0\x2dcopmoon.service has failed. -- -- The result is failed. Jan 01 17:10:24 arch systemd[1]: Unit netctl@wlp7s0\x2dcopmoon.service entered f lines 1-19/19 (END) [root@arch kent]# systemctl status netctl@wlp7s0\x2dcopmoon.service netctl@wlp7s0x2dcopmoon.service - Networking for netctl profile wlp7s0x2dcopmoon Loaded: loaded (/usr/lib/systemd/system/netctl@.service; static) Active: inactive (dead) Docs: man:netctl.profile(5) Như vậy coi như chạy lệnh #wifi-menu wlp7s0 thất bại. Nhưng nếu tiếp theo đó gõ lệnh #dhcpcd wlp7s0 thì connect đươc.