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Phase 17 — Enterprise Ansible Automation (Linux) - Coggle Diagram
Phase 17 — Enterprise Ansible Automation (Linux)
Enterprise Ansible Automation
Definition
Automation means performing repetitive Linux administration tasks automatically without manual intervention.
One Ansible Playbook can manage hundreds or thousands of Linux servers simultaneously.
Reduces human errors.
Provides consistent configurations across all servers.
Saves time and improves operational efficiency.
Supports Infrastructure as Code (IaC).
Used by Linux Administrators, DevOps Engineers, Cloud Engineers, Platform Engineers, Site Reliability Engineers (SRE), Security Engineers, and Enterprise Operations Teams.
Enterprise Automation Architecture
Administrator Workstation
Writes Playbooks
Creates Roles
Updates Inventory
Pushes changes to Git Repository
Git Repository
Stores Playbooks
Stores Roles
Stores Templates
Stores Variables
Stores Documentation
Maintains Version History
CI/CD Pipeline
GitHub Actions
GitLab CI
Jenkins
Azure DevOps
Automatically Tests Playbooks
Executes ansible-lint
Runs Syntax Validation
Deploys Approved Changes
AWX / Red Hat Ansible Automation Platform
Web Interface
Job Templates
Scheduling
RBAC
Credentials Management
Surveys
Notifications
Inventory Management
Ansible Control Node
Executes Playbooks
Connects through SSH
Uses Inventory
Uses Roles
Uses Variables
Managed Linux Servers
Web Servers
Database Servers
Application Servers
Monitoring Servers
Backup Servers
File Servers
DNS Servers
Mail Servers
Kubernetes Nodes
Cloud Virtual Machines
Enterprise Automation Workflow
Administrator creates Playbook
Playbook stored in Git
Code Review performed
CI Pipeline validates Playbook
Playbook approved
AWX Job Template created
Inventory selected
Credentials selected
Playbook executed
Tasks run on target servers
Reports generated
Notifications sent
Compliance verified
Enterprise Automation Project Structure
/home/ansible/
ansible.cfg
inventory/
production/
staging/
development/
playbooks/
group_vars/
host_vars/
roles/
templates/
files/
plugins/
collections/
vault/
logs/
backups/
documentation/
Automation Categories
Operating System Automation
Security Automation
Network Automation
Application Automation
Database Automation
Cloud Automation
Kubernetes Automation
Monitoring Automation
Backup Automation
Compliance Automation
Disaster Recovery Automation
Daily Patching Automation
Purpose
Install operating system updates automatically.
Reduce security vulnerabilities.
Maintain compliance.
Enterprise Workflow
Verify repository availability
Collect update information
Create backup or snapshot
Download packages
Install updates
Restart services if required
Reboot server when necessary
Verify system health
Generate report
Notify administrators
Linux Commands
apt update
apt upgrade
apt list --upgradable
yum check-update
yum update
dnf upgrade
reboot
Ansible Modules
ansible.builtin.apt
ansible.builtin.yum
ansible.builtin.dnf
ansible.builtin.reboot
ansible.builtin.package
Configuration Files
/etc/apt/sources.list
/etc/yum.repos.d/
/etc/dnf/
/var/log/apt/
/var/log/dnf.log
/var/log/yum.log
User Management Automation
Purpose
Create users
Delete users
Lock users
Unlock users
Modify users
Manage passwords
Manage groups
Enterprise Workflow
Receive HR request
Validate approval
Create account
Create home directory
Assign groups
Configure shell
Set password expiration
Deploy SSH keys
Apply sudo permissions
Notify user
Linux Commands
useradd
usermod
userdel
passwd
chage
id
groups
getent passwd
Configuration Files
/etc/passwd
/etc/shadow
/etc/group
/etc/gshadow
/etc/login.defs
/etc/default/useradd
Ansible Modules
ansible.builtin.user
ansible.builtin.group
ansible.builtin.authorized_key
SSH Key Deployment Automation
Purpose
Passwordless authentication
Secure remote login
Enterprise access management
Enterprise Workflow
Generate SSH key pair
Store keys securely
Deploy public keys
Verify permissions
Test authentication
Linux Commands
ssh-keygen
ssh-copy-id
ssh
chmod
chown
Important Files
~/.ssh/
~/.ssh/id_rsa
~/.ssh/id_ed25519
~/.ssh/authorized_keys
/etc/ssh/sshd_config
Permissions
~/.ssh
700
authorized_keys
600
Ansible Modules
ansible.builtin.authorized_key
ansible.builtin.copy
ansible.builtin.file
ansible.builtin.template
Package Installation Automation
Purpose
Install enterprise software consistently.
Enterprise Workflow
Detect operating system
Select package manager
Install package
Verify installation
Start service
Enable at boot
Linux Commands
apt install
yum install
dnf install
rpm
dpkg
Ansible Modules
ansible.builtin.package
ansible.builtin.apt
ansible.builtin.yum
ansible.builtin.dnf
Common Enterprise Packages
nginx
apache2
httpd
mariadb-server
postgresql
docker
podman
git
curl
wget
vim
htop
rsync
Firewall Configuration Automation
Purpose
Protect Linux servers from unauthorized access.
Enterprise Workflow
Define firewall policy
Open required ports
Close unused ports
Enable logging
Verify firewall status
Linux Firewalls
firewalld
nftables
iptables
ufw
Linux Commands
firewall-cmd
nft
iptables
ufw
Configuration Files
/etc/firewalld/
/etc/nftables.conf
/etc/ufw/
Ansible Modules
ansible.posix.firewalld
community.general.ufw
Service Monitoring Automation
Purpose
Ensure services remain operational.
Enterprise Workflow
Check service status
Restart failed service
Record event
Send notification
Linux Commands
systemctl status
systemctl restart
systemctl enable
systemctl disable
journalctl
Configuration Files
/etc/systemd/system/
/usr/lib/systemd/system/
Ansible Modules
ansible.builtin.systemd
ansible.builtin.service
Log Cleanup Automation
Purpose
Prevent disk usage from reaching critical levels.
Enterprise Workflow
Identify old logs
Compress logs
Delete expired logs
Verify disk usage
Linux Commands
find
gzip
tar
rm
du
df
journalctl --vacuum-time
Configuration Files
/etc/logrotate.conf
/etc/logrotate.d/
/var/log/
Ansible Modules
ansible.builtin.find
ansible.builtin.file
ansible.builtin.archive
ansible.builtin.command
Backup Automation
Purpose
Protect business-critical data.
Backup Types
Full Backup
Incremental Backup
Differential Backup
Snapshot Backup
Database Backup
File System Backup
Enterprise Workflow
Stop application if required
Backup data
Compress backup
Encrypt backup
Transfer to backup server
Verify backup integrity
Rotate old backups
Generate report
Linux Commands
rsync
tar
gzip
xz
zip
mysqldump
pg_dump
Important Directories
/backup
/var/backups
/mnt/backup
Ansible Modules
ansible.posix.synchronize
ansible.builtin.archive
ansible.builtin.copy
ansible.builtin.fetch
Compliance Check Automation
Purpose
Verify systems comply with organizational and security standards.
Enterprise Standards
CIS Benchmarks
PCI DSS
ISO 27001
NIST
DISA STIG
Internal Company Policies
Enterprise Workflow
Collect system information
Compare against policy
Detect violations
Generate compliance report
Create remediation tasks
Linux Commands
uname
hostnamectl
rpm
dpkg
systemctl
ss
auditctl
ausearch
Configuration Files
/etc/ssh/sshd_config
/etc/login.defs
/etc/security/
/etc/audit/
/etc/pam.d/
Ansible Modules
ansible.builtin.stat
ansible.builtin.command
ansible.builtin.shell
ansible.builtin.assert
ansible.builtin.fail
Enterprise Scheduling
Cron
/etc/crontab
/etc/cron.daily/
/etc/cron.hourly/
/etc/cron.weekly/
/etc/cron.monthly/
systemd Timers
More reliable scheduling
AWX Scheduler
Daily Jobs
Weekly Jobs
Monthly Jobs
Event-based Jobs
Logging and Reporting
Log Locations
/var/log/ansible.log
/var/log/messages
/var/log/syslog
/var/log/journal/
Report Formats
HTML
JSON
CSV
PDF
Email Reports
Slack Notifications
Microsoft Teams Notifications
Enterprise Best Practices
Use Roles
Use Inventory Groups
Use Group Variables
Use Host Variables
Use Ansible Vault for Secrets
Store Playbooks in Git
Use CI/CD Validation
Follow Least Privilege Principle
Use Idempotent Playbooks
Test in Development
Promote to Staging
Deploy to Production
Maintain Documentation
Enable Logging
Schedule Regular Backups
Perform Compliance Audits
Review Playbooks Regularly
Use Tags for Selective Execution
Use Handlers for Service Restarts
Use Templates for Configuration Files
Avoid Hardcoded Values
Standardize Directory Structure
Monitor Automation Jobs
Maintain Rollback Procedures