#Devops
#Ansible Tutorial #Ansible Ad hoc Commands - Ansible Tutorial
#AnsibleAdhoccommands
#AnsiblePlaybook
Now will do some Ad-hoc commands and Ansible Modules commands...
1.Ad-hoc commands
By using this ad-hoc tasks really quick and one-liner without writing
playbook commands...
We already set hosts in our previous video...no run the below command.
ansible all --list-hosts
Now will run some commands in our hosts without touching them...
ansible demo -a "ls" (if we have all hosts put all,otherwise mention that
group name. Here my hosts group is demo.)
2.See i have accessed my hosts.here one node have file1 let's see that.
one node has that file...
3.Now will create some files and verify in nodes.
ansible demo -a "touch fromserver" (it will create fromserver file in nodes)
ansible demo -a "ls" (by using this will see those files in nodes)
4.Now will install package in nodes.
ansible demo -a "yum install httpd -y" (it will give error.)
ansible demo -b -a "yum install httpd -y" (we have to mention -b to install)
Installed httpd in both nodes...
let's verify it... which httpd
5.Now will Move to ANSIBLE MODULES
To run an arbitary cmd use -a & use -m to run a module.
will check ansible demo -m ping
6.now install/remove a package
ansible demo -b -m yum -a "pkg=httpd state=present"
now remove this
ansible demo -b -m yum -a "pkg=httpd state=absent"
check it in nodes.
7.by default we have commands no need to give state=present.
8.if you want latest version of httpd package
ansible demo -b -m yum -a "pkg=httpd state=latest"
here state=present will install it
state=absent will remove it
state=latest will update it
9.To start / stop a service.
ansible demo -b -m service -a "name=httpd state=started"
it started running now...
To stop the service
ansible demo -b -m service -a "name=httpd state=stopped"
To restart the service use state=restarted.
10.Create / Delete a user account.
ansible demo -b -m user -a "name=ranga"
Verify the user created or not.
cat /etc/passwd
To delete the user account
ansible demo -b -m user -a "name=ranga state=absent"
User ranga was removed.
11.Gathering facts (idempotency)
ansible demo -m setup
ansible demo -m setup -a "filter=*ipv4*"
That's all for this part -2 Video.... Will be back with Playbooks in our
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