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#Ansible playbook to install tomcat on centos 7 free#

Nagios on CentOS 7 with Nagios Remote Plugin Executor (NRPE) New Relic APM with NodeJS : simple agent setup on AWS instance Linux - General, shell programming, processes & signals. Samples of Continuous Integration (CI) / Continuous Delivery (CD) - Use casesĪrtifact repository and repository management

#Ansible playbook to install tomcat on centos 7 free#

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Deploying Wordpress micro-services with Docker containers on Vagrant box via Ansible.

AWS : creating an ELB & registers an EC2 instance from the ELB.

AWS : Creating an ec2 instance & adding keys to authorized_keys.

Ansible: Playbook for Tomcat 9 on Ubuntu 18.04 systemd with AWS.

Quick Preview - Setting up web servers with Nginx, configure environments, and deploy an App.

To to notify a handler we need to add the notify option into the apache2_module task, and then we can use the service module to restart apache2 in a handler.Īpache2_module: name=rewrite state=present In this way, we can avoid restarting Apache every time we apply our playbook.

We can tell a taks to notify a handler when it has changed, and the handler only runs when the task has been changed. That's why we may want to use a task handler. We can add a task to restart apache2, however, we don't want that to run every time we apply our playbook. Note that we need to restart apache2 after the module is enabled. Here is the output from the ansibl-playbook run: Note that the other commands we've run so far did not need root privileges.

This is necessary because the apt requires root privileges. The -ask-sudo-pass flag will prompt us for the sudo password. $ ansible-playbook apache.yml -ask-sudo-pass The apt line installs the apache2 package ( name=apache2) and ensures we have updated the cache (update_cache=yes). update_cache: Updates the cache (via apt-get update) if enabled, to ensure it is up to date.Latest ensures the latest version is installed, present simply checks it is installed, and absent removes it if it is installed. state: Accepts either latest, absent, or present.name: The name of the package to be installed, either a single package name or a list of packages.The ansible's apt module options we're using are: Sudo will be required to ensure the right privileges which is applied via the ansible-playbook command and on a per-task level. To install Apache on Ubuntu, we use Ansible's apt module.Īpt: name=apache2 update_cache=yes state=latest Now that we can run the simple playbook, we will write the task to install the Apache web server. From an operator's perspective, Fabric has a more literal and basic API and uses Python for authoring, while Ansible consumes YAML and provides a richness in its behavior."- DevOps Technologies: Fabric or Ansible "Ansible is generally much more powerful since it provides much deeper and more complex semantics for modeling multi-tier infrastructure, such as those with arrays of web and database hosts. One difference between Fabric and Ansible is that while Fabric will get us results relatively quickly, Ansible requires a bit more steep learning curve.

In this post, we'll briefly discuss Python technologies: Ansible and Fabric. This allows it to be incredibly fast at configuring new servers, as there are no prerequisite packages to be installed on each new server. Unlike other alternatives, Ansible can be installed on our local machine, and uses SSH to communicate with each remote host. Ansible is one of the competing technologies for configuration management tool, such as Chef, Puppet, Fabric, and Salt.