some post-installation-steps: Setting up WLAN with knetworkmanager in OpenSuse Leap 42.2

[dil_bert]

dear community,

i am doingc

at the moment i working - connected with the internet through an ethernet-cable. But i want to set up the WLAN...


therefore i did some requests:
 

eth0      no wireless extensions.

linux-m28l:/home/martin #

linux-m28l:/home/martin # rfkill list
0: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: no
linux-m28l:/home/martin # iwconfig
lo        no wireless extensions.

wlan0     IEEE 802.11bgn  ESSID:off/any  
          Mode:Managed  Access Point: Not-Associated   Tx-Power=0 dBm   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:off
          
eth0      no wireless extensions.

linux-m28l:/home/martin # systemctl status NetworkManager
● NetworkManager.service - Network Manager
   Loaded: loaded (/usr/lib/systemd/system/NetworkManager.service; enabled; vendor preset: disabled)
   Active: active (running) since Mo 2017-05-01 15:11:08 CEST; 43min ago
 Main PID: 874 (NetworkManager)
   CGroup: /system.slice/NetworkManager.service
           ├─ 874 /usr/sbin/NetworkManager --no-daemon
           └─1056 /sbin/dhclient -d -q -sf /usr/lib/nm-dhcp-helper -pf /var/run/dhclient-eth0.pid -lf /var/lib/NetworkManag...

Mai 01 15:11:16 linux-m28l NetworkManager[874]: <info>  NetworkManager state is now CONNECTED_LOCAL
Mai 01 15:11:16 linux-m28l NetworkManager[874]: <info>  NetworkManager state is now CONNECTED_SITE
Mai 01 15:11:16 linux-m28l NetworkManager[874]: <info>  Policy set 'Wired connection 1' (eth0) as default for IPv4 rou... DNS.
Mai 01 15:11:16 linux-m28l NetworkManager[874]: <13>May  1 15:11:16 dns-resolver: ATTENTION: You have modified /etc/re...ed...
Mai 01 15:11:16 linux-m28l NetworkManager[874]: <13>May  1 15:11:16 dns-resolver: You can find my version in /etc/reso...onfig
Mai 01 15:11:16 linux-m28l NetworkManager[874]: ATTENTION: You have modified /etc/resolv.conf.  Leaving it untouched...
Mai 01 15:11:16 linux-m28l NetworkManager[874]: You can find my version in /etc/resolv.conf.netconfig ...
Mai 01 15:11:16 linux-m28l NetworkManager[874]: <info>  (eth0): Activation: successful, device activated.
Mai 01 15:11:16 linux-m28l NetworkManager[874]: <info>  startup complete
Mai 01 15:11:17 linux-m28l NetworkManager[874]: <info>  NetworkManager state is now CONNECTED_GLOBAL
Hint: Some lines were ellipsized, use -l to show in full.
linux-m28l:/home/martin #

l guess that there are some steps left ....