Tag: Server Administration
What is localhost?
Localhost is a networking term for the hostname of the current server or computer accessing the network. It is used via the loopback network interface to access the network services running on the host. The loopback interface bypasses any local network interface hardware and serves as a method to connect back to the server. Networking and server administration both frequently use the term localhost.
What Is Puppet Software and How Do You Use It?
What is Puppet?
Puppet software is a configuration management system. It is used to bring hosts to the desired state and maintain it. The basic idea is to have one central server with all relevant information about machine configuration. Other servers periodically check in with the central server, download new configuration information, and apply it to their local systems.
How to Investigate Server Load: Part 2
In this second tutorial on server load, we outline the steps that should be taken when investigating where server load originates and what may be causing your server to become overloaded. As noted in Part 1 of our series, excessive use of any apps or services can typically cause load issues. Here are the four main areas of concern:
How to Investigate Server Load: Part 1
In this two-part series, we outline the steps to take when investigating where server load originates or causing your server to become overloaded. When running a server that hosts multiple websites, high load issues often crop up. To find out how and why this occurs, read on.
How to Locate Open Ports in Linux
What is a Port?
First, let’s define what a port is. According to the IEFT, a port is:
A Beginner’s Guide to Chef on CentOS 8
What is Chef?
Chef is an open-source configuration management DevOps tool used for configuration and management of multiple systems in infrastructure. Using Chef, we can use so-called recipes and cookbooks to automate and speed up managing multiple systems in our environment. By using Chef, we can adjust every system in our environment to our desired state, which we defined using the code in recipes. In the process, code is continuously tested and deployed using Chef.
How to Install Jenkins on Ubuntu 20.04
How to Install Jenkins on CentOS 8
What is Jenkins?
Jenkins is an open-source software written in Java and Scala. This software allows users the ability to automate almost any task and, it saves significant time that can be better utilized addressing other issues. When automating tasks with Jenkins, users can optimize their workflow by quickly automating the jobs that servers cannot do themselves. In this tutorial, we will learn how to install Jenkins on CentOS 8. We will also explore what its purpose is and share several benefits that Jenkins offers. We will then configure it to run on our CentOS 8 server.
What is Containerization in DevOps?
Containers are the future of application development and hosting. They enable DevOps, developers, and system administrators to build, test, deploy, and maintain applications quickly, securely, and efficiently. Tools built around the containerization concept provide simple solutions for basic web applications. These advanced granular configuration options provide the control many enterprise applications may need.
An Introduction to Ansible Playbooks
Ansible is an open-source tool that uses playbooks to enable configuration management, software provisioning, and application deployment. It is primarily written in Python and was released in 2012. Ever since then, it has saved countless hours of often menial work of deploying and maintaining IT infrastructure. Overall, Ansible is very consistent, secure, reliable, and it requires a minimal learning curve. Simply put, Ansible is a powerful tool for automating apps and infrastructure. You can read more about general Ansible information in our recently published article.
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