Extend and fix readme

README.md

@@ -9,11 +9,20 @@ Official repo: `http://zawz.net/zpkg`
 
 ## As user
 
+Requirements:
+- curl
+- sudo
+- wget
+- tar
+
+Optional:
+- pv
+
 ### Installing
 
 ```shell
 curl -SO http://zawz.net/zpkg/install.sh
-sh install.sh
+sudo sh install.sh
 ```
 
 If you wish to use another repository, substitute `zawz.net/zpkg` for your desired target  
@@ -22,6 +31,7 @@ If you wish to use another repository, substitute `zawz.net/zpkg` for your desir
 
 See `zpkg help`
 
+
 ## Deploy on a server
 
 ### Requirements
@@ -41,6 +51,11 @@ You need to be able to SSH to the zpkg user. SSH keys are recommended
 
 3. Make available the package directory to the HTTP server
 
+### Deploying packages
+
+`zpkg deploy <pkg...>`
+Targets are architectured as the linux filesystem
+
 ## Functionality
 
 - Install packages