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Showing Line numbers in Vi /Vim Text editor would be very helpful when it comes to troubleshooting code errors in a file. This works on almost all Linux/UNIX distributions. Once you are in the edit file mode, Type while in edit mode ":set nu" OR ":set number" and then it will show you the Line numbers and  then you can jump to a specific line by typing ":number" or any line number you require.

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If you can't spend thousands for a static IP, Try out this script which sends out an email alert whenever Public IP address changes. In a situation where you need a VPN solution without spending thousands on a static IP no matter if you are a HOME user or a Small Business owner, all you need to have is a RasberryPi and a decent Small Business VPN Router. For this article I used a Cisco RV110w VPN Router.

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