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How to Install Varnish on CentOS 7 for NGINX

Varnish is an open-source http accelerator that improves website speed & performance. Here is how to install varnish on centos.

Often you may need to convert JPG to PDF documents. Here is how to convert JPG files to PDF documents in Linux.

Sometimes you may need to add column in SQL Server table. Here is how to add column in SQL Server.

Here is how to insert data into redshift table. You can use it to insert multiple rows, insert into sortkey and insert into identity column.

Elasticsearch features real-time, full text searches on large datasets. Here are the steps to install & configure Elasticsearch in Linux.

Strace command allows you to trace system calls made by processes, tasks, scripts & commands in Linux. Here is how to use strace command in Linux.

SFTP is a secure file transfer protocol in Linux. Here are top SFTP command examples for your reference.

Sometimes you may need to clear cache memory in Linux. Here is how to clear cache memory in Linux.

Sometimes you may need to compare two directories or folders in Linux. Here is how to compare two directories in Linux.

Sometimes you may need to find files larger than specific size. Here is how to find files larger than 1GB in Linux.