Docker File Explained!

A Thread 👇 1/ A Dockerfile is a text file that contains instructions for building a Docker image.

Why one should use Kubernetes!

Who should use Kubernetes!

A detailed Thread 👇 Why one should use Kubernetes!

On Demand Thread! @VISHWANTH1310

Differences between yum and rpm!

A Detailed thread 👇 1/ A major difference between #yum and #rpm is that yum is a package manager, while rpm is a package format. Yum uses rpm as its underlying packaging format, but adds additional functionality to manage package dependencies.

What is JUMP or BASTION host!

A short thread 👇 Definition -

A jump host or bastion host is a secure gateway or intermediate server that is used to access a private network from an external network or the internet.

How to make rsync faster? There are several ways to make rsync faster when transferring files or directories:

Step-by-Step GitHub process!

A Mega Thread 👇 Here are the step-by-step instructions for creating a local repository on your system using Git and GitHub -

[1] Open your terminal or command prompt.

Some tips and tricks for using the nano editor:

A short Thread 👇 [1] Navigation:

* Use the arrow keys to move the cursor

* Use the Ctrl key + the arrow keys to move one word at a time

* Use Ctrl + a to move to the beginning of the line

* Use Ctrl + e to move to the end of the line

* Use Ctrl + _ (underscore) to jump to a specific line no

Beginner to Advanced Linux administration tips and tricks!

A Mega Thread 👇 [1] Use SSH keys for authentication:

Rather than using passwords, use SSH keys for authentication. This adds an extra layer of security and makes it more difficult for unauthorized users to gain access to your system.

Examples of Ansible ad-hoc commands 👇

A Thread 👇 [1] Ping all servers in a group:

ansible all -m ping

Kubernetes Commands Cheat Sheet 👇 Basic Commands + Working with Pods 👇

How to perform memory management in Linux!

A Detailed Thread 👇 [1] Monitoring memory usage:

You can monitor the memory usage of your Linux server using various command-line tools, such as top, htop, and free. These tools display the amount of memory used by each process, the total amount of available memory, and other relevant information.

How to secure an nginx load balancer!

A Thread 👇 [1] Keep nginx updated:

To keep nginx updated, you can use the package manager of your Linux distribution to install the latest version of nginx.

For example, on Ubuntu, you can use the following command to update nginx:

sudo apt update && sudo apt upgrade nginx

Some kubectl tips and tricks!

A short Thread 👇 [1] Use "kubectl explain" to get detailed information about any Kubernetes resource.

For example, "kubectl explain pod.spec" will give you detailed information about the Pod specification.

Some useful Ansible tips and tricks!

A Thread 👇 [1] Use Ansible Vault to encrypt sensitive data:

Vault is a built-in feature dat allows u to encrypt sensitive data, such as passwords & API keys. U can use it to encrypt individual vars or entire files, & it integrates seamlessly with Ansible's inventory & playbook structures

How to manage Windows hosts with Ansible!

A Short Thread 👇 Ansible playbooks define the desired state of a system and the tasks that need to be performed to achieve that state. Ansible uses SSH to communicate with Linux hosts and WinRM (Windows Remote Management) to communicate with Windows hosts..

What are the different stages involved in migrating your ON-PREM environment to Kubernetes?

A Short Thread 👇 Migrating an on-premises environment to Kubernetes involves several stages. Here are the key stages:

How to secure a Kubernetes Pod ?

A Short Thread 👇 Securing a Kubernetes pod involves a multi-layered approach that includes the following steps:

How to secure a Docker container?

A Short Thread 👇 Securing a Docker container involves a combination of best practices and implementation of security features that reduce the chances of vulnerabilities and attacks.

Here are some steps you can take to secure a Docker container 👇

What are ACL's in Linux?

A detailed Thread 👇 Access Control Lists (ACLs) are a mechanism in Linux that allow users to set permissions for a file or directory that go beyond the traditional read, write, and execute permissions. ACLs enable finer-grained control over access to files and directories.

How to safeguard an AWS IAM user which has only programmatic access?

A short Thread 👇 [1] Use strong access keys:

Require IAM users to use strong access keys that are difficult to guess. Access keys should be at least 12 characters long and include a mix of uppercase and lowercase letters, numbers, and special characters.

How to make Ansible playbook run faster ⏩ ?

A short Thread 👇 [1] Use a more efficient connection plugin:

The default connection plugin for Ansible is SSH, but there are other options that can be faster for certain scenarios, such as the "accelerate" plugin or the "paramiko" plugin.