This article will present about how to list all the available services in the Linux operating system. In this context, it is in Linux Ubuntu 19.10 operating system. The execution of the command for listing all the services is very simple. Before going on to the execution command, in Ubuntu there are three types of way, method or mechanisms for managing services. There are the ‘System V init’, ‘Upstart init’ and ‘Systemd’. This article will focus on how to display the service available using the ‘servic’ comand. The Upstart init itself is no longer available since there is a replacement with systemd in 16.10. The indicator is simple, it is because no ‘initctl’ command avaiable since Linux Ubuntu 16.10. Although the command is no longer exist, listing the available service is still possible without ‘initctl’. In order to read more about the Upstart init, just the article in this link.
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How to Start Docker Container in Linux Ubuntu 19.10 Operating System
This article have a specific context of content. It is discussing about how to start docker container in Linux Ubuntu 19.10 operating system. There are several steps for starting docker container in any kind of operating systems. The following are the actual step to achieve it :
How to List Docker Images in Linux Ubuntu 19.10 Operating System
In this article, there will be just one main focus discussion. It is only discussing about how to list the docker images. Every docker container will use a docker images. For a more suitable answer, there is a further explanation in this link. In that link, an instance of an image is called a container. You have an image, which is a set of layers as you describe. If you start this image, you have a running container of this image. You can have many running containers of the same image. As in another article, in order to see or to list all the available containers, just execute the command ‘ps -a’. The article exist in this link. By default You can see all your images with docker images whereas you can see your running containers with docker ps (and you can see all containers with docker ps -a).
How to Remove the Initialization Script for Managing Service in Linux Ubuntu 19.10 Operating System
Introduction
This is an article where the main content is to focus on discussing about how to remove the initialization script of a service. In any operating system, it will manage service running on it. Not to mention in this context article, the Linux Ubuntu 19.10 operating system. Basically, this article will have an opposite impact on the other article in this link. That link has a title of ‘How to Register Initialization Script for Managing Service in Linux Ubuntu 19.10 Operating System’. It will remove the symbolic link of an available service where it exist through the register process of the initialization script. In Ubuntu, according to the article exist in this link, there are three main init system in Linux Ubuntu operating system. Those main init system are :
How to Register Initialization Script for Managing Service in Linux Ubuntu 19.10 Operating System
Introduction
This article will focus on how to register a service in an operating system. Actually, every type of operating system has lots of service running on it. TIn Ubuntu, according to the information in this link, there are three types of main init system. Those are the ‘Systemd’, ‘Upstart’ and ‘SysV’. According to that link, Upstart init system was available just before the ‘systemd’. It was available in Ubuntu 9.10 to Ubuntu 14.10. Later on, it was later phased out paving way for systemd init in Ubuntu 15.04 and newer versions. Upstart makes use of config files for controlling services. These files exist under the /etc/init directory. These files consist of plain text sections organized in stanzas and each stanza describes a service and how it works.