Installing Ruby, Gem, Thin and Redmine on Linux in User Space with CloudLinux

Ruby is best known as the language behind the rails web application framework. However, it is a very flexible general purpose language that can be used for tasks of direct interest to R Developers (parsing files, interacting with databases, processing XML or JSON, math functions, statistics, machine learning, etc).

If you do not have root access on a Linux server, you may still be able to install the ruby language and rubgems. Start by checking the version currently installed (if any):

user@lve [~]# which ruby
/usr/bin/ruby
user@lve [~]# ruby --version
ruby 1.8.7 (2009-06-12 patchlevel 174) [x86_64-linux]
user@lve [~]#

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automysqlbackup: Unknown table engine ‘PERFORMANCE_SCHEMA’

This error seems to be related to the MySQL-Bug #58406 (status: verified).

For the moment, you can ignore that message. The process skips the table and continues as always.
Whatever, if you want to make sure that your database has not been corrupted in consequence of this error, simply force mysqldump to ignore all performance_schema-tables.

Plesk way:

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