naavveenn

#Audit Logs
apt-get install auditd audispd-plugins -y
systemctl enable auditd

#Ensure audit logs are not automatically deleted
echo ""max_log_file_action = keep_logs"" >> /etc/audit/auditd.conf 

#Ensure events that modify date and time information are collected
echo ""-a always,exit -F arch=b64 -S adjtimex -S settimeofday -k time-change"" >> /etc/audit/audit.rules

naavveenn

---
#Creating an AMI based on time but need to schedule this job on Ansible-Tower based on intervals
- hosts: local
  connection: local
  gather_facts: no
  vars:
    aws_region: ap-south-1
  tasks:
  - name: Getting the facts of the system
    setup: filter=ansible_date_time

naavveenn

---
- hosts: local
  connection: local
  vars_files:
  - /home/ansible/awscreds_ec2.yml    #contain varible info as mentioned in comments
  tasks:
  - name: Get Instance ID
    ec2_instance_facts:
      aws_access_key: "{{ aws_id }}"
      aws_secret_key: "{{ aws_key }}"

naavveenn

---
#Creating memory alarm and make sure CLoudwatch role is assigned to the ec2 instances
- hosts: all     #must have valid ips,ssh-keys and user-name.
  become: yes
  gather_facts: yes
  tasks:
  - name: Installing the required packages for Ubuntu Dist
    apt:
      name: "{{ item }}"
      update_cache: yes

naavveenn

---
##Creating multipple users##
- hosts: all
  become: yes
  gather_facts: no
  vars_prompt:
    - name: pass
      prompt: "Please enter the password"
  tasks:
    - name: Creating users

naavveenn

root@kube01:~# kubectl get nodes
NAME      STATUS    ROLES         AGE       VERSION
kube01    Ready     master,node   7m        v1.8.3+coreos.0
kube02    Ready     master,node   7m        v1.8.3+coreos.0
kube03    Ready     node          7m        v1.8.3+coreos.0
kube04    Ready     node          7m        v1.8.3+coreos.0


root@kube01:~# kubectl get componentstatuses
NAME                 STATUS    MESSAGE              ERROR

naavveenn

---
 - hosts: local
   connection: local
   gather_facts: yes
   vars:
     aws_region: ap-south-1
     aws_access_key: asfhafsfaadvadvdv
     aws_secret_key: KVsfioefln845141cashcgaksjsdvsdv
   tasks:
   - name: get instance id

naavveenn

---
- hosts: local
  connection: local
  vars_files:
  - /home/ansible/awscreds.yml     # contains var info as mention in comment
  tasks:
  - name: Get DB instance name
    shell: aws rds describe-db-instances --query DBInstances[*].DBInstanceIdentifier --region "{{ aws_region }}" --output text | tr "\t" "\n" > "{{ path }}"
    register: rds_instances

naavveenn

---
 - hosts: demo   #list of servers
   become: yes
   tasks:
   - name: Check if Git is installed or not for Debian distro
     shell: dpkg -s git              #check if git is installed or not
     ignore_errors: True
     register: output
     when: ansible_os_family == "Debian"

naavveenn

Step1:- Installing Dependencies
yum install gcc make
yum install libxml2 libxml2-devel httpd-devel pcre-devel curl-devel

Step2:--
cd /usr/src 
wget http://www.zdziarski.com/blog/wp-content/uploads/2010/02/mod_evasive_1.10.1.tar.gz
tar xzf mod_evasive_1.10.1.tar.gz
cd mod_evasive
apxs -cia mod_evasive20.c