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1. Kubernetes Hands-on Lab #1 – Setting up 5-Node K8s Cluster
2. Kubernetes Hands-on Lab #2 – Running Our First Nginx Cluster
3. Kubernetes Hands-on Lab #3 –
https://lnkd.in/gSc2KDAb
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Embark on a streamlined software development journey with precise planning, strategic development, rigorous testing, and seamless release management. Explore each phase of the software development lifecycle (SDLC) with relevant technologies like Docker, Kubernetes, Git, Jenkins, JUnit, Grafana, Prometheus, and Jira.
Utilize Jira for requirements gathering, scope definition, and timeline estimation. Set clear milestones and allocate resources efficiently to guide your development team.
Implement Git for version control and Jenkins for automated builds. Integrate Docker for consistent builds and Kubernetes for efficient container orchestration.
Explore the significance of build packs in software development. Implement Docker for containerization and optimize build processes. Integrate Kubernetes for efficient container orchestration, ensuring seamless deployment.
Implement JUnit for unit testing and automated testing workflows. Leverage Grafana and Prometheus for robust monitoring during testing phases. Ensure code quality through thorough testing methodologies.
Streamline release processes using Git and Jenkins. Integrate Docker and Kubernetes for efficient deployment. Implement post-release monitoring with Grafana and Prometheus to ensure a smooth and controlled release.
Navigate the complexities of software development with confidence. By incorporating these technologies at each phase, you'll streamline your development workflow, enhance collaboration, and deliver high-quality software efficiently. Connect with us for more insights on optimizing your software development practices!
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𝑱𝒐𝒊𝒏 𝑶𝒖𝒓 𝑻𝒆𝒄𝒉 𝑪𝒐𝒎𝒎𝒖𝒏𝒊𝒕𝒚 -> 𝑮𝒖𝒊𝒅𝒆 𝑶𝒕𝒉𝒆𝒓’𝒔
- Control your code with Git. It keeps track of changes and helps you work together on projects.
- Get comfy with Linux basics. It's like the home for your code, and knowing your way around is a big plus.
- Learn to talk to computers! Python and GO are like your special languages for making things happen in the digital world.
- Understand databases - they're where you store and fetch data. Knowing how they work is super important.
- Imagine the internet as a giant highway. Networking helps you build and navigate the roads for your digital traffic.
- Meet Jenkins, your automation buddy. It helps you put code together, test it, and deliver it smoothly.
- Workflows made easy! GitHub Actions automates tasks like testing and deploying, right from your GitHub space.
- GitLab CI is another cool friend. It makes sure your code is always in tip-top shape with continuous integration and delivery.
- Think of Circle CI as your helper in the cloud. It makes sure your code gets where it needs to go without a hitch.
- Docker is like a magic box. It helps you pack your software in a way that it runs the same everywhere.
- Imagine having a tiny helper organizing all your software containers. That's Kubernetes – making sure everything runs smoothly.
- HELM is like your toolkit for managing and releasing your software on Kubernetes. It makes your job way easier.
- These are like three big playgrounds for your digital creations. Pick one (or all) and learn how to play!
- Terraform is your digital construction worker. It builds and manages your online world without breaking a sweat.
- Meet Ansible, your automation genie. It makes sure everything in your digital kingdom is in order.
- Grafana is like your digital eyes. It helps you see and understand what's happening in your digital world with cool dashboards.
- Elastic Stack is your superhero trio – Elasticsearch, Logstash, and Kibana. They work together to manage and analyze your digital logs.
- Prometheus is your guard dog. It keeps watch and warns you if anything is going wrong in your digital space.
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Please share your cv at Hr@pradhasolutions.com
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Linux's file system is tree-like. The base is "/", with everything else branching off.
/bin
/boot
/dev
/etc
/home
/lib
/media
/mnt
/opt
/proc
/root
/sbin
/srv
/tmp
/usr
/var
cd
ls
mkdir
rmdir
cp
mv
rm
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Jira: Agile project management tool aiding project management, workflows, and bug tracking.
Git: Open-source version control system facilitating collaboration and nonlinear workflows. GitHub extends its collaborative features.
Jenkins: Java-based, open-source tool supporting CI and CD with customizable workflows, easy installation, and numerous plugins.
Selenium: Open-source automated testing framework supporting web app automation across multiple browsers and OS.
Bamboo: Server-based tool tightly integrated with Jira, excelling in complex build plans and parallel testing.
Docker (container management): Packages and executes distributed apps, encouraging collaboration via Docker Hub.
Ansible (configuration management): Automates configuration management and infrastructure orchestration.
Jira Service Management: Centralizes feedback from diverse sources for improved communication.
Parlor: Engages with users to collect real-time contextual insights, integrating with various business tools.
Prometheus: Open-source performance monitoring database enabling robust reporting and visualization.
Opsgenie: Manages incidents, predicts and resolves service disruptions, integrates with various monitoring and communication tools, ensuring appropriate notifications and automated escalations for critical issues.
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Kubernetes has revolutionized the way we handle containerized applications, but it's not without its complexities. Here's a quick dive into why Kubernetes is a game-changer and a note on its intricate nature:
While Kubernetes excels in managing complex applications, its strength can be a challenge for simpler needs. The learning curve is steep, and setting up a Kubernetes environment for a basic app might be like using a sledgehammer to crack a nut. It requires a thoughtful approach - understanding that the power it brings is accompanied by a level of complexity not always necessary for smaller-scale applications.
Kubernetes is incredibly powerful, but it's not a one-size-fits-all solution. For complex, scalable applications, it's a match made in heaven. But for smaller, simpler projects, consider the overhead and whether a simpler solution might meet your needs.
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1.
terraform init: Initializes a working directory containing Terraform configuration files.2.
terraform plan: Generates an execution plan, outlining actions Terraform will take.3.
terraform apply: Applies the changes described in the Terraform configuration.4.
terraform destroy: Destroys all resources described in the Terraform configuration.5.
terraform validate: Checks the syntax and validity of Terraform configuration files.6.
terraform refresh: Updates the state file against real resources in the provider.7.
terraform output: Displays the output values from the Terraform state.8.
terraform state list: Lists resources within the Terraform state.9.
terraform show: Displays a human-readable output of the current state or a specific resource's state.10.
terraform import: Imports existing infrastructure into Terraform state.11.
terraform fmt: Rewrites Terraform configuration files to a canonical format.12.
terraform graph: Generates a visual representation of the Terraform dependency graph.13.
terraform providers: Prints a tree of the providers used in the configuration.14.
terraform workspace list: Lists available workspaces.15.
terraform workspace select: Switches to another existing workspace.16.
terraform workspace new: Creates a new workspace.17.
terraform workspace delete: Deletes an existing workspace.18.
terraform output: Retrieves output values from a module.19.
terraform state mv: Moves an item in the state.20.
terraform state pull: Pulls the state from a remote backend.21.
terraform state push: Pushes the state to a remote backend.22.
terraform state rm: Removes items from the state.23.
terraform taint: Manually marks a resource for recreation.24.
terraform untaint: Removes the 'tainted' state from a resource.25.
terraform login: Saves credentials for Terraform Cloud.26.
terraform logout: Removes credentials for Terraform Cloud.27.
terraform force-unlock: Releases a locked state.28.
terraform import: Imports existing infrastructure into your Terraform state.29.
terraform plan -out: Saves the generated plan to a file.30.
terraform apply -auto-approve: Automatically applies changes without requiring approval.31.
terraform apply -target=resource: Applies changes only to a specific resource.32.
terraform destroy -target=resource: Destroys a specific resource.33.
terraform apply -var="key=value": Sets a variable's value directly in the command line.34.
terraform apply -var-file=filename.tfvars: Specifies a file containing variable definitions.35.
terraform apply -var-file=filename.auto.tfvars: Automatically loads variables from a file.Please open Telegram to view this post
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𝐄𝐫𝐫𝐨𝐫:
𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧:
𝐄𝐫𝐫𝐨𝐫:
𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧:
𝐄𝐫𝐫𝐨𝐫:
𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧:
𝐄𝐫𝐫𝐨𝐫: A program won't run because it's missing dependencies.
𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧: Use your package manager (e.g., apt, yum, dnf) to install the missing libraries or packages.
𝐄𝐫𝐫𝐨𝐫: Network connectivity problems, such as no internet connection.
𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧: Check your network settings, restart the network service (𝐬𝐲𝐬𝐭𝐞𝐦𝐜𝐭𝐥 𝐫𝐞𝐬𝐭𝐚𝐫𝐭 𝐍𝐞𝐭𝐰𝐨𝐫𝐤𝐌𝐚𝐧𝐚𝐠𝐞𝐫), or troubleshoot using tools like 𝐩𝐢𝐧𝐠, 𝐢𝐟𝐜𝐨𝐧𝐟𝐢𝐠, 𝐚𝐧𝐝 𝐧𝐦𝐜𝐥𝐢.
𝐄𝐫𝐫𝐨𝐫: The filesystem reports errors, or you can't access files.
𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧: Use filesystem repair tools like 𝐟𝐬𝐜𝐤 to fix errors.
𝐄𝐫𝐫𝐨𝐫: A process is stuck and not responding.
𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧: Use the 𝐤𝐢𝐥𝐥 command to terminate the process.
𝐄𝐫𝐫𝐨𝐫: Your system is slow and unresponsive.
𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧: Identify resource-hungry processes with commands like 𝐭𝐨𝐩 𝐨𝐫 𝐡𝐭𝐨𝐩, and consider adding more 𝐑𝐀𝐌 or upgrading your 𝐡𝐚𝐫𝐝𝐰𝐚𝐫𝐞.
𝐄𝐫𝐫𝐨𝐫: When you run out of available 𝐢𝐧𝐨𝐝𝐞𝐬 on a file system.
𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧: Delete unnecessary files and directories or reformat the partition with a larger 𝐢𝐧𝐨𝐝𝐞 count.
𝐄𝐫𝐫𝐨𝐫:
𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧: Review the command's syntax, consult the manual pages (use 𝐦𝐚𝐧), or check online resources for the correct usage.
𝐄𝐫𝐫𝐨𝐫:
𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧:
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