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Tips and Tricks

  • 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 !!
    • !$

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