Documented overriding default log4j configuration (issue 53)

diff --git a/docs/01_setup.mkd b/docs/01_setup.mkd
index 1a3b9a9c74002bd4af4b886cc1bb851481f98e56..624ef53c455a8fb7481418a9391661cc67863bef 100644 (file)
--- a/docs/01_setup.mkd
+++ b/docs/01_setup.mkd
@@ -93,6 +93,14 @@ Command-Line parameters override the values in `gitblit.properties` at runtime.
 **Example**\r
 \r
     java -jar gitblit.jar --userService c:\myrealm.config --storePassword something\r
+\r
+#### Overriding Gitblit GO's Log4j Configuration\r
+\r
+You can override Gitblit GO's default Log4j configuration with a command-line parameter to the JVM.\r
+\r
+    java -Dlog4j.configuration=file:///home/james/log4j.properties -jar gitblit.jar <optional_gitblit_args>\r
+    \r
+For reference, here is [Gitblit's default Log4j configuration](https://github.com/gitblit/gitblit/blob/master/src/log4j.properties).  It includes some file appenders that are disabled by default. \r
     \r
 ## Running Gitblit behind Apache\r
 \r