What is Let’s Encrypt ? Let’s Encrypt is a service provided by the ISRG (Internet Security Research Group). It is a free, automated, and open certificate authority (CA), run for the public’s benefit. It is based on the following key principles : Free Automatic Secure Transparent Open Cooperative To begin the installation of the Free …
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Varnish is a reverse web proxy accelerator that caches the HTTP contents. It can speed up requests by a factor of 500-1000 times. By caching and saving CPU time and database requests for content, varnish is able to server hundreds of consecutive requests per second. In order to purge or clear Varnish cache, you can …
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What is Varnish Varnish is a caching HTTP reverse proxy / web application accelerator. It is installed infront of Apache or Nginx on a server and it can increase the speeds by upto 300-1000 times, depending on the server architecture and configuration. Prerequisites You need have a user with root / sudo privileges for a …
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If you require to save the results of your MYSQL query to a CSV or Excel sheet, you can do so with the help of ‘INTO OUTFILE‘. This saves the query result as a ‘CSV’. You can open this CSV file in Excel and save it as a .XLS file as well. The syntax of …
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