Update init-monitor.sh

init-monitor.sh

@@ -11,7 +11,7 @@ b=$(grep ServerActive=127.0.0.1 /etc/zabbix/zabbix_agentd.conf)
 sed -i "s/Server=127.0.0.1/Server=zabbix.ibreader.com/g" /etc/zabbix/zabbix_agentd.conf 
 sed -i "s/ServerActive=127.0.0.1/ServerActive=zabbix.ibreader.com/g" /etc/zabbix/zabbix_agentd.conf 
 
-if [[ !-n $a ]] || [[ !-n $b]] ; then
+if [ !-n $a ] || [ !-n $b] ; then
 service zabbix-agent restart
 echo ${today} service zabbix-agent restart... >> /var/log/lwby-init-monitor.log
 fi