Jul 29

ALL ABOUT AWS CLOUD

In recent past cloud computing have gain lots of attention. Many small, medium and large enterprise have started moving their workload to cloud infrastructure. There are multiple Cloud player in market- among all the few large or great players are — AWS, GCP, AZURE. In this series, i will explore…

2 min read

Jun 14

NAS — Network Attached Storage.

In order to store any data we need file, file is store in directory and directory is created inside drive. The Storage drive can be local or somewhere in internet- like Microsoft OneDrive, Google drive, iCloud etc. When transferring data between 2 servers over network we use some protocol. Typically…

2 min read

Jun 13

Ansible- ROLES

The best way to manage code is creating Roles in Ansible. Role is just a directory or an folder. With Role, we create sperate file for vars, tasks, handlers and other Ansible artifacts. Organizing the files this way helps in managing the project/code better. Also, for any changes required in…

2 min read

Jun 12

Ansible-Automating Load balancer.

Create a sample Playbook that uses some of the important concepts like — Jinja template, variable, magic variable, Notify-handlers.

1 min read

Ansible-Automating Load balancer.

Create a sample Playbook that uses some of the important concepts like — Jinja template, variable, magic variable, Notify-handlers.

Jun 12

Ansible- Special Variables

Ansible have inbuilt special variable that are handy for Automating the tasks. More about these variables are available in Ansible document page. Special Variables - Ansible Documentation ansible_check_mode Boolean that indicates if we are in check mode or not ansible_config_file The full path of used…docs.ansible.com

1 min read

Ansible- Special Variables

Ansible have inbuilt special variable that are handy for Automating the tasks. More about these variables are available in Ansible document page.

Special Variables - Ansible Documentationansible_check_mode Boolean that indicates if we are in check mode or not ansible_config_file The full path of used…
docs.ansible.com

Apr 18

Kuberbetes Security: Network Policies

Network policies are Kubernetes resources that control the traffic between pods and/or network endpoints. They uses labels to select pods and specify the traffic that is directed toward those pods using rules. The entities that a Pod can communicate with are identified through a combination of the following 3 identifiers: …

2 min read

Apr 12

Install & Manage Docker Using Ansible Playbook

I have created below Ansible playbook to configure, install and manage docker using Ansible playbook. - hosts: awsnode tasks: - name: Download the docker repo file from docker site. get_url: url: "https://download.docker.com/linux/rhel/docker-ce.repo" dest: "/etc/yum.repos.d" # There is issue…

1 min read

Apr 10

Ansible : Fix Package Dependency Error

Sometime when you work on ansible playbook and use module, the module may not work correctly as some library dependency may be missing. One example is when trying to use docker_image module to pull an image. YAML FILE SNIPPET: - hosts: awsnode tasks: - name: Download the docker…

1 min read

Ansible : Install Package Dependency Error.

Apr 10

LINUX: ALL About How/what/why Queries ?

# How to check if the user have sudo access.? -> Use sudo -l command. [ec2-user@ip-172-31-31-16 ~]$ sudo -l Matching Defaults entries for ec2-user on ip-172-31-31-67: !visiblepw, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE"…

2 min read

Apr 10

Ansible Privilege Escalation

When trying to connect the AWS instance and download the file, i get an error message as below. [root@localhost ansbile_playbook]# ansible-playbook install_docker.yaml PLAY [awsnode] ******************************************************************** TASK [Gathering Facts] ******************************************************************** ok: [34.229.157.247] TASK [Download the docker repo.] ******************************************************************** fatal: [34.229.157.247]: FAILED! => {"changed": false, "checksum_dest": null, "checksum_src": "d7ff809b1df9aaba3a0e3e0c68ed188e3d3ff9d9", "dest": "/etc/yum.repos.d/docker-ce.repo", "elapsed": 0…

2 min read

Ansible Privilege Escalation

When trying to connect the AWS instance and download the file, i get an error message as below.

[root@localhost ansbile_playbook]# ansible-playbook install_docker.yamlPLAY [awsnode] ********************************************************************TASK [Gathering Facts] ********************************************************************
ok: [34.229.157.247]TASK [Download the docker repo.] ********************************************************************
fatal: [34.229.157.247]: FAILED! => {"changed": false, "checksum_dest": null, "checksum_src": "d7ff809b1df9aaba3a0e3e0c68ed188e3d3ff9d9", "dest": "/etc/yum.repos.d/docker-ce.repo", "elapsed": 0…

ALL ABOUT AWS CLOUD

NAS — Network Attached Storage.

Ansible- ROLES

Ansible-Automating Load balancer.

Ansible-Automating Load balancer.

Ansible- Special Variables

Ansible- Special Variables

Special Variables - Ansible Documentation

ansible_check_mode Boolean that indicates if we are in check mode or not ansible_config_file The full path of used…

Kuberbetes Security: Network Policies

Install & Manage Docker Using Ansible Playbook

Ansible : Fix Package Dependency Error

LINUX: ALL About How/what/why Queries ?

Ansible Privilege Escalation

Ansible Privilege Escalation

Khemnath chauhan