Make shell file resilient for Ubuntu18

check_fail2ban

@@ -15,7 +15,7 @@ STATUS_OK="0"
 STATUS_WARNING="1"
 STATUS_CRITICAL="2"
 STATUS_UNKNOWN="3"
-ps_state=$(ps aux |grep "fail2ban.sock" |grep -v grep| wc -l)
+ps_state=$(ps aux |grep "fail2ban-server" |grep -v grep| wc -l)
 PROGPATH=`dirname $0`
 fail2ban_client=$(which fail2ban-client)
 jail_count=$($fail2ban_client status|grep "Number" |cut -f 2)