Get EX294 Dumps : Verified Red Hat Certified Engineer (RHCE) exam for Red Hat Enterprise Linux 8

Solution as:

# pwd

home/admin/ansible/

# vim packages.yml

---

- name: Install the packages

hosts: dev,test,prod

vars:

- php_pkg: php

- mariadb_pkg: mariadb

tasks:

- name: install the packages

yum:

name:

- "{{ php_pkg }}"

- "{{ mariadb_pkg }}"

state: latest

- name: install the devops tool packages

hosts: dev

tasks:

- name: install devepment tools

yum:

name: "@Development Tools"

state: latest

- name: upgrade all the packages

yum:

name: "*"

state: latest

exclude: kernel*

!wq

# ansible-playbook package.yml –-syntax-check

# ansible-playbook package.yml

Solution as:

# pwd

home/admin/ansible/

# sudo yum install rhel-system-roles.noarch -y

# cd roles/

# ansible-galaxy list

# cp -r /usr/share/ansible/roles/rhelsystem-roles.timesync .

# vim timesync.yml

---

- name: timesynchronization

hosts: all

vars:

timesync_ntp_provider: chrony

timesync_ntp_servers:

- hostname: classroom.example.com _ in exam its ip-address

iburst: yes

timezone: Asia/Kolkata

roles:

- rhel-system-roles.timesync

tasks:

- name: set timezone

timezone:

name: "{{ timezone }}"

wq!

timedatectl list-timezones | grep india

# ansible-playbook timesync.yml --syntax-check

# ansible-playbook timesync.yml

# ansible all -m shell -a 'chronyc sources -v'

# ansible all -m shell -a 'timedatectl'

# ansible all -m shell -a 'systemctl is-enabled chronyd'

Solution as:

# pwd

/home/admin/ansible/

# vim web.yml

---

- name:

hosts: dev

tasks:

- name: create group

yum:

name: httpd

state: latest

- name: create group

group:

name: apache

state: present

- name: creating directiory

file:

path: /webdev

state: directory

mode: '2775'

group: apache

- sefcontext:

target: '/webdev/index.html'

setype: httpd_sys_content_t

state: present

- name: Apply new SELinux file context to filesystem

command: restorecon -irv

- name: creating symbolic link

file:

src: /webdev

dest: /var/www/html/webdev

state: link

force: yes

- name: creating file

file:

path: /webdev/index.html

sate: touch

- name: Adding content to index.html file

copy:

dest: /webdev/index.html

content: "Development"

- name: add service to the firewall

firewalld:

service: http

permanent: yes

state: enabled

immediate: yes

- name: active http service

service:

name: httpd

state: restarted

enabled: yes

wq

# ansible-playbook web.yml -–syntax-check

# ansible-playbook web.yml

Solution as:

----------

# pwd

/home/admin/ansible/roles/

# ansible-galaxy init apache

# vim apache/vars/main.yml

---

# vars file for apache

http_pkg: httpd

firewall_pkg: firewalld

http_srv: httpd

firewall_srv: firewalld

rule: http

webpage: /var/www/html/index.html

template: index.html.j2

wq!

# vim apache/tasks/package.yml

---

- name: Installing packages

yum:

name:

- "{{http_pkg}}"

- "{{firewall_pkg}}"

state: latest

wq!

# vim apache/tasks/service.yml

---

- name: start and enable http service

service:

name: "{{http_srv}}"

enabled: true

state: started

- name: start and enable firewall service

service:

name: "{{firewall_srv}}"

enabled: true

state: started

wq!

# vim apache/tasks/firewall.yml

---

- name: Adding http service to firewall

firewalld:

service: "{{rule}}"

state: enabled

permanent: true

immediate: true

wq!

# vim apache/tasks/webpage.yml

---

- name: creating template file

template:

src: "{{template}}"

dest: "{{webpage}}"

notify: restart_httpd

!wq

# vim apache/tasks/main.yml

# tasks file for apache

- import_tasks: package.yml

- import_tasks: service.yml

- import_tasks: firewall.yml

- import_tasks: webpage.yml

wq!

# vim apache/templates/index.html.j2

Welcome to {{ ansible_facts.fqdn }} on {{ ansible_facts.default_ipv4.address }}

# vim apache/handlers/main.yml

---

# handlers file for apache

- name: restart_httpd

service:

name: httpd

state: restarted

wq!

# cd ..

# pwd

/home/admin/ansible/

# vim httpd.yml

---

- name: Including apache role

hosts: webservers

pre_tasks:

- name: pretask message

debug:

msg: 'Ensure webserver configuration'

roles:

- ./roles/apache

post_tasks:

- name: Check webserver

uri:

url: "http://{{ ansible_facts.default_ipv4.address }} "

return_content: yes

status_code: 200

wq!

# ansible-playbook httpd.yml –-syntax-check

# ansible-playbook httpd.yml

# curl http://serverx

Solution as:

# pwd

/home/admin/ansible/roles

# vim install.yml

---

- src: http://classroom.example.com/role1.tar.gz

name: balancer

- src: http://classroom.example.com/role2.tar.gz

name: phphello

wq!

# pwd

/home/admin/ansible

# ansible-galaxy install -r roles/install.yml -p roles