I found this book to be really interesting. It provides a lot of useful information on ansible and how to implement it into your projects. So far, I like this book is practical and based on management of infrastructure in AWS. However, there are quite a few code errors, which make it difficult to go through...Dec 08, 2016 · The following is a list of command line utilities for monitoring Linux disk space usage. 8. df (disk filesystem) Command. df prints a summary of file system disk space usage on the terminal. In the command below, -hT switch enables reporting of the disk size, used space, available space and used space percentages in human-readable format. $ df -hT Aug 21, 2018 · Objective The objective is to install Ansible on Ubuntu 18.04 Bionic Beaver Linux. This guide will provide you with instructions on how to install Ansible on Ubuntu 18.04 from a standard Ubuntu repository, PPA repository and also how to install latest Ansible version by compiling the source code. ansible-playbook playbooks/atmo_playbook.yml -e "ATMOUSERNAME=atmouser". Limiting Playbook/Task Runs. When writing Ansible, sometimes it is tedious to make a change in a playbook or task, then run the playbook It can sometimes be very helpful to run a module directly as...Understanding roles in Ansible. As easy as Ansible is to get started with, and as readable as a playbook is when it is short, it does get more complex, as do the requirements. In addition, there are certain functions that may well be needed repeatedly in different scenarios. Sep 26, 2020 · Ansible Ad hoc commands and an ansible cheat sheet. Examples on how to use Ansible Ad hoc commands and how to use it for various purpose like Disk Space check, Creating file, Create user, Creating Directory, reboot the server etc. Ansible ad hoc commands explained with examples and a cheat sheet for ansible. I'm looking for a simple way of getting an email alert whenever the diskspace of a server gets above X % or has less than X Mb free. I don't need anything too special, I don't need graphs It is a light weight local monitoring tool. Your config for monitoring for the root filesystem would look as simple as this.Disk partitions, File system management, User Management, Disk space, Memory and performance tuning Managing VM's using VMware virtual center, through web access. Creating templates from VM's and deploy VM's from templates and allocate resources. Adding VM CPU, Memory, Disk, NIC, install/upgrade VMware tools. Start studying Ansible Playbooks. Learn vocabulary, terms and more with flashcards, games and other study tools. ansible-playbook main.yml -e "package=apache". How can administrators use multiple variables for the same data elements?Ansible playbooks are a way to send commands to remote computers in a scripted way. Instead of using Ansible commands individually to remotely Each playbook contains one or more plays, which map hosts to a certain function. Ansible does this through something called tasks, which are basically...Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. I have a deployment tool I used to run locally but I'm finding I'm really going to need to be doing it on a deploy server for space and speed. I wanted to just add to the exisiting playbook. But I found that even if you were running a playbook with a tag that only hits ONE play, it still has to "gather facts" in every. single. play. in the book ... $ ansible dbservers -a ‘df -h’: This will check the disk space utilization of all nodes in the group of dbservers. $ ansible webservers -a ‘free -m’: This will display the total amount of free space available along with the amount of memory used and swap memory in the system of all nodes in the group of webservers. Apr 16, 2019 · In the previous articles, we introduced idempotency as a way to approach your server’s security posture and looked at some specific Ansible examples, including the kernel, system accounts, and IPtables. In this final article of the series, we’ll look at a few more server-hardening examples and talk a little more about how the idempotency playbook … Playbooks are structured using Plays. There can be more than one play inside a playbook. The function of a play is to map a set of instructions defined This tag specifies the name of the Ansible playbook. As in what this playbook will be doing. Any logical name can be given to the playbook.The headnode should have at least 30GB of disk space, and 4GB of RAM, and each compute should have at least 4GB of RAM - local disk is optional. We're not setting up a secondary storage network here, so a single NIC per node is sufficient, but having two on the headnode would allow you to work remotely through ssh. Any ansible-playbook tutorial would show that YAML is a data serialization language ideal for configuring files. The final element in an Ansible playbook refers to 'tasks' YAML tag. This YAML tag is a list of actions that Ansible should perform.ansible-playbook - Man Page. Runs Ansible playbooks, executing the defined tasks on the targeted hosts. Run tasks in playbook with extra variables defined via the command line: ansible-playbook playbook -e "variable1=value1 variable2=value2".Ansible playbooks tend to be more of a configuration language than a programming language. Like the name is saying, a playbook is Each ansible playbook works with an inventory file. The inventory file contains a list of servers divided into groups for better control for details like IP address and SSH...Ansible Playbook. GitHub Gist: instantly share code, notes, and snippets. The idea is to clone the iri-playbook repository onto one of the servers/nodes, configure values and run the playbook. The node from where you run the playbook will SSH connect to the rest of the nodes and configure them. Of course, it will also become a full node by itself. Sep 18, 2019 · # ansible -m command -a "df -h" web-servers Check Disk Space on all Hosts. b. Check memory usage on all remote hosts. # ansible -m command -a "free -mt" web-servers Check Memory on all Hosts. c. Checking Uptime for all 3 servers. # ansible -m command -a "uptime" web-servers Check uptime on all Hosts. d. Check for hostname and Architecture. The Ansible playbook is a set of instructions that will be executed on a single host or a group of hosts. And that's all there is to creating your first Ansible playbook. There's a lot more to learn, so I suggest heading over to the official Ansible Playbook documentation and reading how to create even...Table of Contents How to Execute an Ansible Playbook Example Ansible Playbook to Setup LAMP stack this simple ansible-playbook example given above is enough to get your Apache installation...Ansible copy multiple files To copy the files from ansible master control machine to remote target servers, we use ansible copy module. We know that in ansible copy module, we use two parameters one is src, another one is dest. SRC represents source file path or path of the file which we are going...formatted_disk_space * 0.7 = usable_disk_space Using only 70% of your disk space allows Greenplum Database to use the other 30% for temporary and transaction files on the same disks. If your host systems have a separate disk system that can be used for temporary and transaction files, you can specify a tablespace that Greenplum Database uses ... Working with one gigantic playbook can be a little overwhelming, a little bit messy and as a result, makes it hard to reuse certain tasks in other playbooks. I have been working this week on creating a multipart Ansible playbook, whereby I have one main playbook, that calls upon multiple smaller playbooks. Collections are Ansible's recommended method of packaging and releasing modules, roles, playbooks, and documentation. This sample playbook shows how to delete objects created within a specified range of days from all buckets. You can modify the sample so that it deletes objects older...Jun 16, 2019 · Install MySQL 5.7 On CentOS via Ansible Playbook. navdeepd2 June 16, 2019 0. ... Huge waste disk space – Remove Multiple Old kernels worth 3GB (Total 116 packages) Ansible Tower is a web-based UI that provides an enterprise solution for IT automation. It has a user-friendly dashboard to manage deployments and monitor resources. Ansible Tower complements Ansible, adding automation, visual management, and monitoring capabilities. Setting up the infrastructure is quite simple thanks to the automation provided by Ansible. We will first setup a playbook for a “monitoring” machine, which will collect and visualize our data using InfluxDB and Grafana. We will then expand the Galaxy playbook to include Telegraf on the machine to monitor both it and Galaxy itself. In this ... This guide outlines Ansible support in the Operator SDK and walks Operator authors through examples building and running Ansible-based Operators with the operator-sdk CLI tool that use Ansible playbooks and modules. Exploring the Ansible playbook structure. ... Tidying up disk space. Monitoring for configuration drift.