Update README.md

README.md

@@ -1,2 +1,20 @@
 # bash-get-ip-hostname
 Gets external IP address or hostname
+
+## Add execute permission and run
+On Linux, add execute permission:
+
+```
+chmod +x get-ip.sh
+```
+
+Then, run script:
+```
+./get-ip.sh
+```
+
+## Change logfile path and rotate logs
+Remember to update the log file path (or comment out), and rotate the log as data is appended to the file.
+
+### View on website
+Visit my website at [www.jinet.us] for more info.