Update openwrt.md

- corrected path problem
- replaced nano with vim

guides/openwrt.md

@@ -14,7 +14,7 @@ If you already have a computer with Linux and a working internet connection with
 6. Then clone the freetz repository: `git clone https://github.com/Freetz/freetz.git freetz-devel`.
 7. Change your working directory into freetz-devel with: `cd freetz-devel` and run `make tools`. If the make command does fail some requirements are missing, just google for the error message or open an issue. The compiling should take some time.
 8. After the tools were successfully build keep the terminal open and go to your browser. Visit the website: `https://ftp.avm.de/fritzbox/fritzbox-7490/deutschland/fritz.os/` and download the latest image.
-9. We now extract the download image with multiple tools. First of all with `7zip`: `7z e Downloads/FRITZ.Box_7490.*.image -r filesystem.image` and once again: `7z e filesystem.image filesystem_core.squashfs`. Now we are using the unsquash utility from freetz: `tools/unsquashfs4-avm-be filesystem_core.squashfs -e lib/modules/dsp_vr9/`. You can now find the modem-firmware in `squashfs-root/lib/modules/dsp_vr9`. We only need to patch it with: `cd squashfs-root/lib/modules/dsp_vr9/` then: `bspatch vr9-B-dsl.bin vr9-A-dsl.bin vr9-A-dsl.bin.bsdiff` and `bspatch vr9-B-dsl.bin release-vr9-B-dsl.bin release-vr9-B-dsl.bin.bsdiff`. Congratulations, the hard part is done.
+9. We now extract the download image with multiple tools. First of all with `7zip`: `7z e ../Downloads/FRITZ.Box_7490.*.image -r filesystem.image` and once again: `7z e filesystem.image filesystem_core.squashfs`. Now we are using the unsquash utility from freetz: `tools/unsquashfs4-avm-be filesystem_core.squashfs -e lib/modules/dsp_vr9/`. You can now find the modem-firmware in `squashfs-root/lib/modules/dsp_vr9`. We only need to patch it with: `cd squashfs-root/lib/modules/dsp_vr9/` then: `bspatch vr9-B-dsl.bin vr9-A-dsl.bin vr9-A-dsl.bin.bsdiff` and `bspatch vr9-B-dsl.bin release-vr9-B-dsl.bin release-vr9-B-dsl.bin.bsdiff`. Congratulations, the hard part is done.
 10. Now we can flash the OpenWrt starter-image to the EasyBox. Download the latest starter-image (fullimage) from [here](https://app.box.com/s/tjeobifjb8ohj90m5k2u7g1efgq8308y)
 11. Also download the most recent firmware image from [here](https://app.box.com/s/hvqg535dnubt4r2ontpmtodpvt6ydf00/folder/36913951101) (last confirmed working is 2019-02-07).
 12. Now pull your LAN cable from your linux machine and disable WIFI. Click the grid icon in the bottom left corner of your desktop and enter `settings` to open the system settings. Then in the network tab click the gear icon behind your `eno1` interface. Then go to IPV4 and choose manual. Enter `192.168.2.100` as IP and `255.255.255.0` as netmask, leave everything else blank. Turn the interface off and on to reload the settings.
@@ -24,7 +24,7 @@ If you already have a computer with Linux and a working internet connection with
 16. Now open a browser and browse to: `http://192.168.1.1` (mind the http!) click the *Browse* button and choose the `openWrt-sysupgrade.bin_smp` from your downloads directory. Click *Flash Image* and wait. Then on the new site click *Proceed*. The router will now flash the firmware image. Wait 5 minutes and then open the website `https://192.168.1.1` in a private window of your browser to avoid caching problems. He will tell you that the connection is not secures. Just hit *Advanced* -> *Add exception* -> *Confirm Security Exception*.
 17. You're now on the openWrt webinterface. Just hit the *Login* button.
 19. Open a terminal and run: `scp freetz-devel/squashfs-root/lib/modules/dsp_vr9/release-vr9-B-dsl.bin [email protected]:/lib/fw.bin` this copies the modem-firmware which we extracted from the Fritz!Box image to the EasyBox. Now run: `ssh [email protected]` type *yes* and hit enter. You now are connected to the EasyBox via terminal.
-20. Run: `nano /etc/config/network` and scroll with the arrow keys to the section: *config interface 'wan'*. Enter your ISP-login to *option username*. For Telekom customers it is: `[Anschlusskennung]#[T-Onlinenummer]#[email protected]` and your password into `option password`. Also set the ipv6 option at the bottom to 0, and the `ifname` to `dsl0.7`. Then comment out the complete section *config interface 'wan6'* like so:
+20. Run: `vim /etc/config/network` and scroll with the arrow keys to the section: *config interface 'wan'*. If you're not already in INSERT-mode just press `i`. Enter your ISP-login to *option username*. For Telekom customers it is: `[Anschlusskennung]#[T-Onlinenummer]#[email protected]` and your password into `option password`. Also set the ipv6 option at the bottom to 0, and the `ifname` to `dsl0.7`. Then comment out the complete section *config interface 'wan6'* like so:
 ```
 #config interface 'wan6'
 #   option ifname '@wan'
@@ -43,7 +43,7 @@ Add ths line to `config dsl 'dsl'`:
         option firmware '/lib/fw.bin'
 ```
 
-Exit nano by hitting *strg + x* and then *y* and *enter*. Then type the command `passwd root` and enter a new password for your box which is also used in the webinterface. Now simply type `reboot` and hit enter.
+Exit vim by pressing esc and then `:wq` and enter. Then type the command `passwd root` and enter a new password for your box which is also used in the webinterface. Now simply type `reboot` and hit enter.
 
 21. Your easybox is now successfully setted up. You can reach it's webinterface at *https://192.168.1.1*