Ansible Playbook Optimizing

$ cat ansible.cfg [defaults] hostfile = ./hosts host_key_checking = False timeout = 5 log_path = ./logfile.txt forks = 50 gathering = smart [ssh_connection] pipelining = True The above file shows the content of ansible.cfg file. I have added the following to make my playbook run … “Ansible Playbook Optimizing”

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Terraform in Ubuntu

I have utilized the following steps to install terraform in Ubuntu 16.04 Download Terraform for Linux 64 bit version. Save the downloaded version in a specific folder. (Example: /home/user/terra) Within the folder where the downloaded version is saved, use “unzip” command: unzip terraform Set the … “Terraform in Ubuntu”

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Ansible Components

What? Ansible is a simple IT automation tool. Ansible exists as CLI & GUI. GUI is called the Ansible Tower and Ansible, Inc., which is owned by RedHat, officially supports this. Controlling Nodes: The Network infrastructure is managed from these Controlling Nodes. In an Enterprise environment, Controlling … “Ansible Components”

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F5 Logs

F5 logs are available under /var/log/ directory. If you are looking for LTM traffic related logs, look under  /var/log/ltm If you are looking for GTM traffic related logs, look under /var/log/gtm GTM has been renamed as DNS from 12.x code version. The logs are rotated … “F5 Logs”

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Kubernetes Intro

Kubernetes is Greek for Pilot or Helmsman. It is primarily used as an orchestration tool for containers. Kubernetes Deployment (KD): Deployment is responsible for creating and updating instances of application. Kubernetes Master (KM): KM schedule the application instances that was created by the KD onto … “Kubernetes Intro”

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F5 TMM Crash

We were using a DNS VS listening on port 53 but configured to handle TCP protocol as shown here: ltm virtual /Common/VS_DNS { destination /Common/10.10.10.10:53 ip-protocol tcp mask 255.255.255.255 pool /Common/pool_dns profiles { /Common/tcp { } } source 0.0.0.0/0 source-address-translation { pool /Common/SNAT-10.10.10.10 type snat … “F5 TMM Crash”

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