== Usueful Commnads to Linux Bash Script Language extension *.sh==

czasami musisz doinstalować paczkę do obsługi bash-a :
 Freebsd 9 and earlier --> pkg_add -r bash-static
 Freebsd 10 amd later  --> pkg install bash-static
 
 Ubuntu syntax
  you must see -> hxxps help.ubuntu.com/community/Beginners/BashScripting

 typical syntax :
 
//--- start ---

// --  script  No.1 ----//


#!/bin/bash
#sprawdzanie statusów serwisów gdy stop ich uruchomienie oraz porty na których nasluchują
echo "---------------------------------------"
echo   "STATUS URUCHOMIONYCH SERWISÓW:"
echo " --------------------------------------"
ps cax | grep sqlservr > /dev/null
if [ $? -eq 0 ]; then
  echo "MSSqL service UP :)"
else
  echo "MSSqL service DOWN :("
  service mssql-server start
fi
ps cax | grep redis-server > /dev/null
if [ $? -eq 0 ]; then
  echo "Redis service UP :)"
else
  echo "Redis service not DOWN :("
  service redis start
fi
ps cax | grep mongod > /dev/null
if [ $? -eq 0 ]; then
  echo "Mongodb service UP :)"
else
  echo "Mongodb service not DOWN :("
  service mongodb start
fi
ps cax | grep beam.smp > /dev/null
if [ $? -eq 0 ]; then
  echo "RabbitMQ  service UP :)"
else
 echo "RabbitMQ service not DOWN :("
/etc/init.d/rabbitmq-server start
fi
if [ $? -eq 0 ]; then
  echo "OPENVPN  service UP :)"
else
 echo "OPENVPN service not DOWN :("
service openvpn-server start
fi

echo "------------------------------------------"
echo " Porty usług:"
echo "------------------------------------------"
netstat -plunt#!/bin/bash

//--- end script  No.1 ---//


Pamiętaj o zmianie chmod 700 po zapisie\utworzeniu swojego scriptu np. w "vi"


== Examples ==

 start from commnad line -> ./xxx.sh 






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