Upadte some notes.

notes/wiki/AP configuration.md

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+# Using NetworkManager
+See [here](https://variwiki.com/index.php?title=Wifi_NetworkManager#Configuring_WiFi_Access_Point_with_NetworkManager). Can use the command line tool [[nmcli]].
+
+# Using [[hostapd]]
+Must first make sure that the interface is not managed by nmcli, see [[nmcli]].
+

notes/wiki/Tools.md

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+# Wifi Tools
+- [[aircrack-ng]]can easily enable monitor mode
+- [[nmcli]] NetworkManager cli
+- [[hostapd]]
+- [[iw]] 
+# Wifi Adapter not found anymore
+- __Issue__: After using `airmon-ng` to put my wifi adapter into monitor mode and then supposedly back into normal mode: network manager couldn't find wifi adapter anymore.
+- `sudo nmcli dev` showed that `wlp44s0` interface was "unmanaged".
+- __Fix__: `sudo nmcli set wlp44s0 managed yes` 

notes/wiki/iw.md

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+***TLDR***: show / manipulate wirless devices and their configs.
+
+# Commands used:
+- `iw list` shows extensive info about all wirless devices. 
+- To check if any devices is AP ready:
+```bash
+iw list | grep -i ap -A 5 -B 5
+```
+
+

notes/wiki/monitoring.md

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+***TLDR:*** How to monitor/sniff wifi network traffic of IoT Devices. Two strategies:
+Use a wifi adapter to setup an #AP and have the devices connect to via that or use wifi card in monitor mode.
+
+# Funnel traffic via AP
+**Issues**: iPhone has problems connecting to the provided APs. But need iPhone to configure network  connection of devices.
+# Monitor Mode
+--- 
+## HowTo 
+Insert wifi adapter and make sure it shows up as a interface with e.g. `nmcli dev`.
+### Manually activate:
+1. Find out which interfaces already exist with names like`mon_N_`: `ifconfig -a`. 
+2. `iw dev _interface_ interface add _mon_num_ type monitor` 
+3. `ifconfig _mon_num up` 
+### Using [[aircrack-ng]] :
+Activate monitor mode on interface `wlp0s20f0u1`:
+```bash
+sudo airmon-ng start wlp0s20f0u1
+```
+Output:

notes/wiki/nmcli.md

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+***TLDR:*** Command line utility of NetworkManager
+Benefit: Automates setting up WiFi, DHCP server and NAT config, according to [here](https://variwiki.com/index.php?title=Wifi_NetworkManager#Configuring_WiFi_Access_Point_with_NetworkManager) . 
+
+# Commands
+```bash
+nmcli dev #list network devices
+```
+```bash
+nmcli con down <name> # disable AP config
+```
+```bash
+nmcli con delete <name> # permanently delete AP configuration
+```
+```bash
+sudo systemctl restart NetworkManager # for config changes to take effect
+```
+```bash
+sudo nmcli device set <interface-name> managed no # make sure itnerface is not managed by NetworkManager. Can use d instead of device.
+```
+