Unboxing Mind

How to restart Apache after every .conf file change  use incron  for this .    sudo apt-get install incron    sudo nano /etc/incron.allow    add username  at end of this file sudo incrontab -e  /etc/apache2/apache2.conf IN_MODIFY /user/sbin/srrvice apache2 restart   column command in Linux  Linux display data from file to  row column  format     Empty file without deleting it . > filename  Run Last  command Sudo !! !$

Redis server this is multipurpose NoSQL db which are largely used as distributed caching server  Basic architecture to  Scale redis server in terms of availability and accessibility   One of the slave server should be use for persistence storage this can help to resysc master in case of power failer