MySQL-Front is not available for Linux but there are a few alternatives that runs on Linux with similar functionality. The best Linux alternative is DataRow. It's not free, so if you're looking for a free alternative, you could try FlySpeed SQL Query or MyWebSQL. If that doesn't suit you, our users have ranked seven alternatives to MySQL-Front and four of them are available for Linux so hopefully you can find a suitable replacement.
DataRow is the new way of Redshift data management and development with a convenient and intuitive interface. We believe at DataRow, data is the heart of a company and it is more efficient when a team collaborates on its database management.
If you are looking for a proper tool to work with data and SQL queries with ad-hoc visual query builder, you must have a look at FlySpeed SQL Query. It connects to all modern database servers and works with all popular desktop databases and office file formats (CSV, Excel).