Update README.md

Signed-off-by: Adrien Gallouët <adrien@gallouet.fr>

README.md

@@ -6,6 +6,10 @@ Small, Simple and Stupid VPN over [mud](https://github.com/angt/mud).
 
 Glorytun depends on [libsodium](https://github.com/jedisct1/libsodium) version >= 1.0.4.
 
+On Ubuntu, the following command should be sufficient:
+
+    $ sudo apt-get install meson libsodium-dev pkg-config
+
 Grab the latest release from github:
 
     $ git clone https://github.com/angt/glorytun --recursive
@@ -14,15 +18,31 @@ Grab the latest release from github:
 To build and install the latest version with [meson](http://mesonbuild.com):
 
     $ meson build
-    $ cd build
-    $ ninja
-    # ninja install
+    $ sudo ninja -C build install
+
+### Easy setup with systemd
+
+Just call `glorytun-setup` and follow the instructions.
+
+Fist, setup the server:
+
+    $ sudo glorytun-setup
+    Config filename (tun0):
+    Server ip (enter for server conf):
+    Server key (enter to generate a new one):
+    Your new key: NEW_KEY
+    Start glorytun now ? (enter to skip): y
+
+Copy the new generated key and use it when configuring the client:
+
+    $ sudo glorytun-setup
+    Config filename (tun0):
+    Server ip (enter for server conf): SERVER_IP
+    Server key (enter to generate a new one): NEW_KEY
+    Start glorytun now ? (enter to skip): y
+
+You can check easily if it works by looking at your public ip.
 
-Or with the more classical autotools suite:
 
-    $ ./autogen.sh
-    $ ./configure
-    $ make
-    # make install
 
 For feature requests and bug reports, please create an [issue](https://github.com/angt/glorytun/issues).