How To Install evqueue-core on Ubuntu 18.04
Introduction
In this tutorial we learn how to install evqueue-core on Ubuntu 18.04.
What is evqueue-core
evqueue-core is:
evQueue is a fast event driven scheduler and queueing engine.
It provides both simple task execution and complex task chaining (workflow) using an easy to use drag & drop web interface. Workflow description includes output linking to input, conditions, loops… Queues management provides an easy way for task parallelization and resource control.
The network API provides an easy way, XML based, for synchronous or asynchronous workflow launching and control, allowing tasks to be launched from external applications or web pages. You can thus execute heavy tasks on a remote (dedicated) machine to save resources on your web frontends while providing live reporing of the treatment to you users.
There are three methods to install evqueue-core on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install evqueue-core Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install evqueue-core using apt-get by running the following command:
sudo apt-get -y install evqueue-core
Install evqueue-core Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install evqueue-core using apt by running the following command:
sudo apt -y install evqueue-core
Install evqueue-core Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install evqueue-core using aptitude by running the following command:
sudo aptitude -y install evqueue-core
How To Uninstall evqueue-core on Ubuntu 18.04
To uninstall only the evqueue-core package we can use the following command:
sudo apt-get remove evqueue-core
Uninstall evqueue-core And Its Dependencies
To uninstall evqueue-core and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove evqueue-core
Remove evqueue-core Configurations and Data
To remove evqueue-core configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge evqueue-core
Remove evqueue-core configuration, data, and all of its dependencies
We can use the following command to remove evqueue-core configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge evqueue-core
References
Summary
In this tutorial we learn how to install evqueue-core package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
