Add unbanip.sh script for fail2ban

Script to unban an IP address from fail2ban.

unbanip.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+# unbanip.sh
+# Tar bort en fail2ban på viss IP-adress
+# Crille 2015-10-27
+if [ "$#" -lt 1 -o "$#" -gt 2 ]; then
+        echo "Usage:`basename $0` <ip-adress>"
+        exit 1
+fi
+adress="$1"
+sudo fail2ban-client set sshd unbanip $adress