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Configuration Management with Ansible
2020Working with technology, we probably all started in a similar way. We created smaller computer systems, usually on the laptop or PC we were working on, or maybe a small virtualized environment. As we developed our knowledge and experience, our systems grew larger and our need to keep all of these systems consistent grew with it.
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Managing Services Using Ansible
2021As an amazing system administrator, you need to be able to face the differences in Linux distributions and face them with a smile. We have just installed the Apache web server; on CentOS the associated service did not start after the installation, whereas it did in Ubuntu.
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2020
We’re almost at the end of our project and almost at the end of our book. We hope you keep working through this chapter because there are a lot of extra details we are going to provide you to hopefully make your life and work a little easier.
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We’re almost at the end of our project and almost at the end of our book. We hope you keep working through this chapter because there are a lot of extra details we are going to provide you to hopefully make your life and work a little easier.
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Managing Users with Ansible Playbooks
2021Although we have already created a new user with an ad hoc command, we haven't done the same with a Playbook. Creating users within a Playbook definition means those ad hoc steps become more prescriptive and will happen in the same way on each execution, importantly, without omissions. Even though our three hosts have the dedicated Ansible user account,
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Working with the Ansible Configuration
2021The configuration file for Ansible controls how the system configuration utility, Ansible, will operate on the managed devices. This may include the way in which rights are escalated and the user account to use in making the connection to the managed device. Do these need to be the same on every project that you work with?
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Managing Scheduled Tasks with Ansible
2021In this last chapter of the RHCE Study Guide, we concentrate on the final small exam objectives where you need to know how to create and manage scheduled tasks with Ansible in Linux. This may be with either atd or crond, where atd is great for scheduling ad hoc Linux commands and crond for scheduling jobs that need to be run on a regular interval.
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Appendix A. Installing Ansible
2016Depending on which operating system you use, there are various ways to install Ansible. On Linux, you can either install Ansible from source or build a packaged version of Ansible that you install with your system’s package manager.
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Ansible Templates and CloudFormation Scripts
2020It’s been pretty cool how so far we've been able to automate our instance deployments all while using code. But we haven’t finished yet; there is still more we can do with Ansible, especially when using Amazon Web Services. We could almost dedicate an entire book to using Ansible with AWS, so this is why we haven’t stopped with just the previous ...
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