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Can PlayBook run Android programs? The dust has finally landed! RIM announced yesterday that in order to bring applications into the PlayBook ecosystem, it will provide developers with tools to enable PlayBook to support Android applications. RIM is preparing to launch the software tool "App Players" to enable BlackBerry's Java and Android 2.3 programs to run si

If you have a BlackBerryPlayBook tablet and develop it in Ubuntu, you can do this by connecting to the NDK. But how can you transfer files under Ubuntu12.04LTS? Haha! Just a few simple steps to operate the files in PlayBook like a USB flash drive in windows! Premise: the same vro connected to the computer and PlayBook. If you have a BlackBerry PlayBook tablet an

Meet a demand today when using Ansible-playbook after executing a script, according to the content returned by the script to determine whether to continue execution or break execution, query official website found using Register Register can be used to achieve the recording script output, using when+ Fail module to determine whether to proceed or break down, here is a simple example: Ansible service on 172.16.133.128, first executes a script, the scri

Automated operations Tools: ansible Application scenario for multi-process call Ansible API: Application System Check An application system may have a cluster of 20-50 servers, and a preliminary system-level check can be checked with a unified playbook, such as (Df-h command). But deep into the application layer, there are some personalized applications, such as 2 HTTP servers, 20 middleware servers in 4 database servers, and so on, che

Brief introductionPlaybook is a very simple configuration management and multi-host deployment system. Can be used as a foundation for deploying complex applications.The playbook can be customized and can be executed in an orderly manner with the specified sequence of operations, supporting both synchronous and asynchronous methods.Playbook is described in YAML format, which enables deployment of multiple host applications and performs specific instru

There are many ways to define and reference variables in Ansible playbook, which are tested in the local environment and collated as follows. test Environment: Using your own Mac notebook to install Ansible as the control server, the VMware Fusion virtual machine runs on a CENTOS7 virtual machine (192.168.243.146) as a remote controlled host tested with Playbook as follows: Cat Test.yml --- -hosts:test re

0. IntroductionPlaybooks is the language of Ansible management configuration, deployment applications, and orchestration, and you can use playbooks to describe the policies you want to perform on the remote host or the set of steps that you perform.Similar to a set of task sets, defining information such as projects, organizational structures, profiles, and so on, the task is to organize the things you want to do in one step and the whole playbookOfficial Demo information: Https://github.com/ans

The previous article introduced the installation configuration and example of Ansible: http://msiyuetian.blog.51cto.com/8637744/1748143The following article mainly introduces Ansible's playbook, playbook is equivalent to the module or function written into the configuration file, and then we execute the configuration file to achieve the purpose of remote operation and maintenance automation.First, the simpl

If you have a big playbook and you just want to run one of those tasks, tags is your best choice. How to use it?first, the most common form of use:Take the official example: Tasks:-yum:name={{Item}} state=installed with_items:-httpd-memcached Tags:- PACKAGES-TEMPLATE:SRC=TEMPLATES/SRC.J2 dest=/etc/foo.conf Tags:-configuration At this point if you want to run only one of these tasks, this Run when you specify tags can ansible-

Perform a playbookThe above sections already have a preliminary understanding of Playbook's syntax, so how do you run a playbook?This is very simple, here's an example of running playbook in parallel, the level of parallelism is 10Ansible-playbook Playbook.yml-f 10Ansible-pull (pull configuration rather than push configuration)Can we turn the ansible architecture

Ansible playbook component, ansibleplaybook Core elements of playbook: Tasks: Task Variables: Variable Templates: Template Handlers: Processor Roles: Role Organization format: YAML (also known as a Markup Language) Syntax: (the list is represented by a horizontal bar. Key-value pairs are separated by colons, and other key-value pairs can be nested in key-value pairs) Example: name: tom Age: 21 Gender: Male