usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), Then copy the ssh key to remote host by using ssh-copy-id command. To run any module or playbook from local host to remote host, we need to create and copy ssh keys to remote hosts by using ssh-keygen and ssh-copy-id.įirst we create ssh key by usng ssh-keygen command

To install Ansible in RHEL/CENTOS, we should install and enable the epel repository by using the following command. Ansible scripts are commonly known as playbooks and they are easy to read. Ansible is a security focused tool it uses Open SSH. we do not need to have anything installed on the client’s end.In Ansible both push and pull mode are supported. Ansible is agent less which is the major advantage when compared to the other Automation tools like puppet, chef,salt etc. The maintenance of single server is not always easy, but if we have to manage more than one server, the goes very hard without automation tools. We just need to configure the Ansible to installing a package or configuring a server application or even restarting a service.īut the question is why we need automation tools especially Ansible, the answer is so simple. ANSIBLEĪnsible is a automation tool which is used manage the server(‘s) for you. We can do it ourselves though.In this artical we will known about how to install Ansible, Before going through that we would known about what is Ansible and what’s the uses of it. Older versions of Ansible did this automatically but it was super magic so it's probably better that it was removed.

name: Probe the host for installed packages.īut this itself is really inefficient too because you're still calling the module for every package instead of calling the module once with all the packages.

If you run without any tags it will install everything and if you specify -tags=git it will only install git and if you specify -skip-tags=vim it will do the correct thing.Īnd in the specific case of installing packages you can speed this process up dramatically with something like the following without having to use tags. ''all' in ansible_run_tags or item in ansible_run_tags' This seems like a lot of work for such a small problem in Ansible that can actually be fixed without any patches.

Ansible yum list