SUMMARY:

• Sr. Cloud DevOps Engineer with 10+ years of IT Experience extensive of DevOps Engineering.
• Implemented effective IT strategies and hands - on experience supporting, automating and optimizing mission critical deployments in Microsoft Azure, Amazon Web Services, leveraging configuration management, CI/CD and DevOps processes.
• As System Administrator worked on Red Hat Enterprise Linux (RHEL), CentOS, Ubuntu, SUSE, and Windows environment, as well as Build and Release Engineer in solving complex problems with creative solutions, supporting development, Deployment operations in different environments.
• Experienced in Amazon Web Services (AWS) cloud platform and services like Lambda, DynamoDB, EBS, ELB, AMI, Elastic Beanstalk, CloudFront, CloudWatch, OpsWork SNS, Glacier, Auto-Scaling, IAM, Route53, EC2, S3, RDS, VPC, VPN, Security-Groups and through AWS management console.
• Expert in various Azure services like Compute (Web Roles, Worker Roles), Caching, Azure SQL, ARM (Azure resource manager), NoSQL, Storage, and Network services, Azure Active Directory (AD), API Management, Scheduling, Azure Autoscaling, and PowerShell Automation.
• Experienced in configuring Cloud platform such as Virtual Networks Multi-site, Cross-site, VMs, Azure AD, Load Balancers, Azure SQL, Cloud Services, etc.
• Experience in Designing and distribution of Data across all the nodes and Clusters on different availability zones in AWS Redshift and Scaling Amazon RDS, MySQL, MongoDB, DynamoDB, Cassandra DB, PostgreSQL, Instances Vertically and Horizontally for High Availability.
• Building a Web application to track moving vehicle from received images by drone in real time using AWS EC2 Ubuntu instance and S3 Bucket to store and access images remotely using Python Flask Framework with boto3 API.
• Experience with AWS instances spanning across Development, Test and Pre-production and Cloud Automation through Open Source DevOps tools like Chef, Jenkins & Docker.
• Responsible for OpenStack project core infrastructure including code review, continuous integration systems, and developer tools and OpenStack Multi-node Installation, Configuration and Administration.
• Experienced in Pivotal Cloud Foundry (PCF) on Azure VM’s to manage the containers created by PCF. Used Docker for deployment containers and push the code to Azure Cloud.
• Created the Azure storage accounts, VNET's, Subnets, assigned the public IP, Altered the security groups, NIC's and Azure VM's for internal applications using Ansible playbooks.
• Authored Playbooks in Ansible using YAML scripting and Manifests in Puppet using DSL to provision Nginx, Apache Spark, Apache Web servers, Tomcat servers.
• Extensive experience in writing Ansible playbooks and Modules to automate our build/deployment process and do an overall process improvement to any manual processes and experience in working with GIT to store the code and integrated it to Ansible Tower to deploy the playbook.
• Experienced in working on puppet and chef, Data bags implementation, Coding standards, Cookbook documents, testing docs, chef Infra, bootstrapping nodes, creating, and uploading Chef Recipes, Chef Node convergence in Chef SCM.
• Experience in Developing Chef Cookbooks, recipes, roles, and data bags to automate the services related to deployment.
• Expertise in deployment of a Dockerized RabbitMQ in OpenShift so that we might use the auto-scaling capabilities of OpenShift with a Rabbit MQ cluster.
• Expertise in using Docker and setting up ELK with Docker and Docker-Compose. Actively involved in deployments on Docker using Kubernetes.
• Experience in Jenkins pipelines to drive all microservices builds out to the Docker registry and then deployed to Kubernetes, Created Pods and managed using Kubernetes.
• Expertise in Terraform for building, changing, versioning infrastructure and collaborate the automation of AWS Infrastructure via Terraform and Jenkins.
• Experience in writing Jenkins Pipeline Groovy Scripts for Continuous integration and build workflows and used Jenkins for uploading Artifacts into Nexus Repository and Automated various day-to-day administration task by developing Bash, Ruby, JSON, Perl, PowerShell and Python Scripts.
• Experience in Administration/Maintenance of Source Control Management Systems, such as Subversion (SVN), Perforce, TFS, GIT and Knowledge of Clear Case.
• Experience in installation and management of network related services like TCP/IP, FTP, SSH, DNS, TELENT, HTTP, HTTPS, LOAD BALANCING, VPN, FIREWALL, SUBNETS, SMTP, CDN.
• Experience in Installing, Configuring, Managing the Monitoring Tools such as Splunk, Nagios, ELK and New Relic for Resource Monitoring/Network/Monitoring.
• Expert in trouble shooting Linux Servers, resolving boot issues and maintenance of server issues using rescue mode and involving in building new Linux Physical and Virtual servers using kickstart and PXE boot.
• Experience in internet information service and hands on experience with WebSphere, JBoss and WebLogic deployments.
• Expertise in using the JIRA for bug tracking , creating the dashboard for issues and resolved system issues and inconsistencies in coordination with quality assurance and engineering teams.

TECHNICAL SKILLS:

Operating Systems: Unix, Ubuntu, RedHat Enterprise Linux, CentOS, OEL, SUSE Linux 11/12, Solaris, AIX, Windows Server 2008/2012/2012 R2

Build/Automation Tools: Ant, Maven, Bamboo, Jenkins CI, Docker, Kubernetes, Buildforge

Databases: MySQL, MongoDB, SQL Server, Cassandra, Couchdb

Scripting/Programming Languages: BASH, PERL, Python, Ruby, .Net

Web/App Server Tools: Apache HTTP, Nginx, JBoss, Oracle WebLogic Server, WebSphere, Tomcat

Splunk, Qualys, DataDog, TrendMicro, Nagios, HP: Site Scope, ISYNGA, SENSU, UCHIWA, AppDynamics, Sumologic, Dynatrace Keynote, Zabbix.

Ticketing Tools / Project Tracking: JIRA, CONFLUENCE, Service NOW, HPSM

Version Control Tools: GITHub, SVN, BitBucket, GitLabs, IBM Rational Clearcase, CodeCommit

Virtualization Tools: VMware ESXi, vCenter Server, Docker, Pivotal, Citrix-Xen, Vagrant, Cloud Foundry

Configuration Management Tools: Chef, Ansible, Puppet

Cloud Platforms: Amazon Web Services, Microsoft Azure, Google Cloud Platform, OpenStack

Bug Tracking/ Monitoring Tools: JIRA, Service Now, BMC Remedy, Nagios, Splunk, Qualys

PROFESSIONAL EXPERIENCE:

Confidential, Costa Mesa, California

Sr. Cloud/DevOps Engineer

Responsibilities:

• Working as a DevOps Engineer for a team that mainly worked closely with many proprietary tools as well as Open source tools like Jenkins, AWS, JIRA, etc. which were used for development and deployment of internal tools and programs.
• Monitoring and maintaining the AWS S3 buckets which contained all the packets of each build. Each packet had metadata files which were extracted to proceed with the flash testing.
• Configured and maintained the AWS Lambda function to trigger when there is a Jenkins build kicked off, which internally gets stored on AWS S3 bucket for everybody to access.
• Working with many other parallel DevOps teams inside the company that involved a huge cluster of Continuous Integration Systems which involved many channels of the existing servers.
• Provisioned the highly available EC2 instances using Terraform and CloudFormation and wrote new plugins to support new functionality in Terraform.
• Designed AWS CloudFormation templates to create custom sized VPC, Subnets, NAT to ensure successful deployment of Web applications and database templates.
• Created CloudFormation Templates for different envs(DEV/stage/prod) to automate infrastructure (ELB, Cloudwatch alarms, ASGs, SNS, RDS etc) on click of a button.
• Implemented migrations and orchestrated large-scale Infrastructure from on-premises to AWS Cloud using Terraform and CloudFormation templates.
• Responsible for authoring and editing Python scripts for automation purpose which enabled the QA testers to perform testing with a more reliable and faster performance.
• Involved in creating the deployment config file to specify environment variables, permissions, certificates, secrets, service accounts, resources.
• Expertise in troubleshooting issues regarding the repo-sync, monitoring of build issues, and code committing issues with Gerrit as well as Phabricator.
• Coordinated with various Source Control Administrator teams to create many authorized repositories which can be accessible to all developers worldwide.
• Design an ELK system to monitor and search enterprise alerts. Installed, configured and managed the ELK Stack for Log management within EC2 / Elastic Load balancer for Elastic Search.
• Monitored performance of the applications and analyzed log information using ELK (Elasticsearch, Logstash, Kibana).
• Configured ELK (Elastic, Logstash and Kibana) stack and implemented indexing of sample text files for effective search.
• Designed, deployed and coordinated with different teams to enhance ELK platform and took ownership of innovative technologies.
• Working with setting up of Continuous Integration processes with build, release, and test. Utilized internal tools and Jenkins tools to perform and implement Continuous Integration processes.
• Was on 24*7 on-call rotation and troubleshooted various internal external issues. Resolved various build issues/QA related issues.
• Created internal webpages for everybody for authentication purpose and use the hardware devices by logging in with their company credentials. Used PHP and various other templates from internal programs to publish this internal webpage.
• Edited and authored many Confluence pages for internal education purpose. Documented few step by step procedures for others to follow for respective testing strategies.
• Executed the automation from commit to deployment by implementing a CI/CD pipeline with the help of Jenkins and Chef. Setting up Chef Infra, bootstrapping nodes, creating, and uploading recipes, node convergence in Chef SCM.
• Performed Ansible and Ansible Tower as Configuration management tool to automate repetitive tasks, quickly deploys critical applications, and proactively manage change by writing Python code by using Ansible Python API to automate Cloud Deployment Process.
• Written many playbooks with tasks, roles, facts, and templates for VAR files, also configured files by conditions by keeping dynamic values and triggering YAML files in Ansible.
• Used Service fabric Cluster to deploy Jenkins as a service fabric application to the cluster and using that deployed all of the service application.
• Setup Docker to automate container deployment through Jenkins and Dealt with Docker Hub, making Docker images and taking care of various Images essentially for middleware establishments.
• Experience with deployment automation of all the microservices to pull the image from the private Docker Registry and deploy to Docker Swarm Cluster using Ansible.
• Implemented cluster services using Docker and Kubernetes to manage local deployments in Kubernetes by building a self-hosted Kubernetes cluster using Terraform and Ansible and deploying application containers.
• Configured Kubernetes Replication controllers to allow multiple pods such as Jenkins Master server in multiple minions. Managed Kubernetes charts using Helm, managed Kubernetes manifest files and created reproducible builds of the Kubernetes application.
• Included Vulnerability Detection as part of the CI/CD workflow using Jenkins Pipelines, SonarQube Quality Gates. Installed Jenkins/Plugins for GIT Repository, Setup SCM Polling for Immediate Build with Maven and Maven Repository (Nexus Arti factory).
• Deployed and configured Elastic Search, Log stash and Kibana (ELK) for log analytics, full text search, application monitoring in integration with Azure. Integration of Application with monitoring tool new relic for complete insight and proactive monitoring.
• Worked on web servers such as APACHE HTTP server, NGINX, Apache TOMCAT and application servers such as Oracle WebLogic 9.x, 10.x, IBM WebSphere 6.x, 7.x, 8.x, JBoss 4.1.
• Developed Python, Perl and shell/bash scripts for TC Server/Tomcat web application servers and automation of the build and release process and to automate certain processes for the smooth process of build tool like Maven.

Environment: s: Amazon Web Services (AWS) LDAP, GIT/Gerrit, Jenkins, Chef, Agile, Bash scripting, Dogfooding, Shell, Python Scripting, PHP, Phabricator, Confluence, JIRA, CentOS, Artifactory, Maven, Qualys, DeepSecurity.

Confidential, Dulles, Virginia

Sr. Cloud/DevOps Engineer

Responsibilities:

• Implemented Enterprise Integration architecture using Azure Service Bus, AppService’s, Active Directory, Storage, hybrid connection manager, active directory authentication for azure SQL server and offerings by azure.
• Handled deployment workflow including provisioning of servers, load balancing, and health monitoring of systems using Azure Service Manager and Azure Resource Manager
• Designed and configured Azure Virtual Networks (VNets), subnets, Azure network settings, DHCP address blocks, DNS settings, and Security policies & configured BGP routes to enable ExpressRoute connections between on-premise data centers & Azure cloud.
• Configured Azure Backup Service for taking backup of Azure VM and data of on premise to Azure, built and installed servers through Azure Resource Manager (ARM) templates or Azure Portal.
• For automations in Azure configured Azure Runbooks of type PowerShell Workflow which allowed use of Parallel Processing to perform multiple actions in parallel.
• Automated day-to-day activities by using Windows PowerShell for Creating VM's, Virtual Networking, VPN, Key Vault, Load balancer and Disk Encryption.
• Implemented Micro-services using Pivotal Cloud Foundry (PCF) platform build upon Spring Boot Services and created workflows on TeamCity for setting up automated pipelines for CI/CD with PCF.
• Worked on Azure Fabric, Micro services, IoT & Docker containers in Azure and involved in setting up Terraform continuous build integration system. Used Azure Internal Load Balancer to provide high availability for IaaS VMs & PaaS role instances
• Provisioning servers/instances using infrastructure as code such as Terraform. Code is stored in a private repository and constantly updated.
• Executed the automation from commit to deployment by implementing a CI/CD pipeline with the help of Jenkins and Chef. Setting up Chef Infra, bootstrapping nodes, creating, and uploading recipes, node convergence in Chef SCM.
• Performed Ansible and Ansible Tower as Configuration management tool to automate repetitive tasks, quickly deploys critical applications, and proactively manage change by writing Python code by using Ansible Python API to automate Cloud Deployment Process.
• Written many playbooks with tasks, roles, facts, and templates for VAR files, also configured files by conditions by keeping dynamic values and triggering YAML files in Ansible.
• Used Service fabric Cluster to deploy Jenkins as a service fabric application to the cluster and using that deployed all of the service application.
• Setup Docker to automate container deployment through Jenkins and Dealt with Docker Hub, making Docker Images and taking care of various Images essentially for middleware establishments.
• Experienced with deployment automation of all the microservices to pull the image from the private Docker Registry and deploy to Docker Swarm Cluster using Ansible.
• Implemented cluster services using Docker and Kubernetes to manage local deployments in Kubernetes by building a self-hosted Kubernetes cluster using Terraform and Ansible and deploying application containers.
• Configured Kubernetes Replication controllers to allow multiple pods such as Jenkins Master server in multiple minions. Managed Kubernetes charts using Helm, managed Kubernetes manifest files and created reproducible builds of the Kubernetes application.
• Included Vulnerability Detection as part of the CI/CD workflow using Jenkins Pipelines, SonarQube Quality Gates. Installed Jenkins/Plugins for GIT Repository, Setup SCM Polling for Immediate Build with Maven and Maven Repository (Nexus Arti factory).
• Set up Jenkins server and build jobs to provide Continuous Automated builds based on polling the Git source control system during the day and periodic scheduled builds overnight to support development needs using Jenkins, Git, and Maven.
• Coordinated developers with establishing and applying appropriate branching, labelling/naming conventions using GIT source control.
• Deployed and configured Elastic Search, Log stash and Kibana (ELK) for log analytics, full text search, application monitoring in integration with Azure. Integration of Application with monitoring tool new relic for complete insight and proactive monitoring.
• Worked on web servers such as APACHE HTTP server, NGINX, Apache TOMCAT and application servers such as Oracle WebLogic 9.x, 10.x, IBM WebSphere 6.x, 7.x, 8.x, JBoss 4.1.
• Developed Python, Perl and shell/bash scripts for TC Server/Tomcat web application servers and automation of the build and release process and to automate certain processes for the smooth process of build tool like Maven.

Environment: s: Azure, PCF, Chef, Ansible, Shell, Python, Linux, Maven, My SQL, Jenkins, Apache Tomcat 7.x, Docker, Virtualization, Kubernetes, ELK, New Relic, Configured plug-ins for Apache HTTP server 2.4, Nginx, LDAP, JDK1.7, XML, SVN, GIT.

Confidential, St. Louis, Missouri

Sr. DevOps Engineer

Responsibilities:

• Designed end to end automation of infrastructure and continuous delivery of the applications by integrating CloudFormation scripts, Jenkins, AWS and CHEF cookbooks and recipes.
• Written Chef Cookbooks for various DB configurations to modularize and optimize end product configuration and OS component configuration to keep AWS server's template minimal.
• Responsible for managing Ubuntu, Linux and windows virtual servers on AWS EC2 instance by creating Chef Nodes through Open Source Chef Server.
• Implemented a production ready, load balanced, highly available, fault tolerant, auto scaling Kubernetes AWS infrastructure and microservice container orchestration.
• Integrated Jenkins with Docker container using CloudBees Docker pipeline plugin to drive all microservices builds out to the Docker Registry and then deployed to Kubernetes. Integrated Selenium automation regression test suite in Jenkins build pipeline.
• Implemented Docker -maven-plugin in Maven pom.xml files to build Docker images for all micro services and later used Docker file to build the Docker images from the Java jar files.
• Developed Docker file and scripts to build and deploy Docker images for multi-tier architecture, which consist of front-end web servers, API servers, and backend logic servers.
• Implemented cluster services using Docker and Kubernetes to manage local deployments in Kubernetes by building a self-hosted Kubernetes cluster using Terraform and Ansible and deploying application containers.
• Configured the Kubernetes provider with Terraform which is used to interact with resources supported by Kubernetes to create several services such as Config Map, Namespace, Volume, Auto scaler, etc.
• Worked with AWS CloudFormation Templates, Terraform along with Ansible to render templates and Murano with Heat Orchestration templates in OpenStack Environment.
• Migrated existing application from monolithic to Microservices architect. Build Spring Boot application and use Docker Swarm as container orchestration tool to manage service.
• Developed automation scripting in Python using Chef to deploy & manage Java .Net applications across Linux/Windows servers.
• Implemented the automated Nagios in Ops environment for alerts & email notifications using Python script & executed them through Ansible.
• Used ELK stack with X-pack features for log monitoring. Created various index patterns geo-mapping visualizations using Kibana to show customer locations in U.S based maps.
• Used Puppet to deploy ELK for automating continuous deployment (CD) and configured Slave Nodes and deployment failure reporting.
• Configured Bitbucket with Jenkins & automated the build process through SCM polling. Created post-commit & pre-push hooks using Python in Bitbucket repositories. Resolved merging issues during rebasing & re-integrating branches.
• Implemented python scripts by using stranded libraries for getting the all the agent logs (Inventory, Remote connections, Network usage and performance.

Environment: Amazon Web Services (AWS) (EC2, Cloud Front, Cloud Watch, RDS, ELB, EBS, S3, Route53, SNS, SQS, KMS, Cloud Trail, IAM, CloudFormation, Virtual Private Cloud (VPC), LDAP, Terraform,) GIT, Jenkins, Chef, Ansible, ELK RedHat Linux, Docker, Bash shell, Python, Tomcat.

Confidential

Cloud Admin / DevOps Engineer

Responsibilities:

• Worked in AWS environment, instrumental in utilizing Compute Services (EC2, ELB), Storage Services (S3, Elastic Block Storage),Elastic Beanstalk, VPC, SNS, IAM.
• Utilized Cloud Watch to monitor resources like EC2, CPU memory, Amazon RDS DB services, EBS volumes to set alarms for notification or automated actions to monitor logs for better understanding of the operations.
• Involved in Installation, Administration and Configuration of Splunk enterprise and integration with local legacy systems and responsible in checking the Splunk Logs for web server to avoid server time down during production and ensure logging capabilities are functional.
• Configured Splunk to capture and analyze data from various layers load balancers, web servers and application servers.
• Worked with Client engagements and data onboarding and writing alerts, dashboards using the Splunk query language.
• Designed DevOps workflow for multiple applications by orchestrating Test, Build, Release and Deploy phases through various CI/CD pipelines using Git, Jenkins, Chef and build the deliverable artifacts using Maven as a build tool in Jenkins for Java applications and deploy them to various environments.
• Tested Chef Cookbook modifications on cloud instances in AWS and using Test Kitchen and Chef Spec and used Ohai to collect attributes on node. Worked on Chef DK which takes of care creating cookbooks and recipes.
• Written Chef Cookbooks for various DB configurations to modularize and optimize product configuration, converting production support scripts to Chef Recipes and AWS server provisioning using Chef Recipes.
• Experience on all areas of Jenkins like Plugin Management, Securing Jenkins, Performance issues, Analytics, Scaling Jenkins, integrating Code Analysis and Test Phases to complete the CD pipelines within Jenkins.
• Used Git for source code version control and integrated with Jenkins for CI/CD pipeline, code quality tracking and user management with build tool Maven and written Maven pom.xml build script.
• Installed and configured an automated tool Puppet that included the installation and configuration of the Puppet master, agent nodes and an admin control workstation.
• Deployed Puppet, Puppet Server, Puppet-Dashboard and Puppet DB for configuration management to existing infrastructure.
• Implemented Puppet Agent Based and Agentless Configurations, Puppet dashboards, M-collective with active mq server, plugin-sync, stored configs, Hiera-factors.
• Troubleshooting and monitoring of various proprietary Axiom and 3rd party applications using Splunk and Cloud Watch in the Amazon Web Services (AWS) environment.
• Involved in Linux system administration and performance tuning. Wrote Shell Scripts (bash) to automate the package installation, web server and instance configuration.

Environment: Amazon Web Services (AWS), Jenkins, Chef, Git, Ant, Maven, Axiom, Tomcat, Java, Splunk, Nagios, JBoss, WebLogic, Web Servers, Ruby, Bash, Linux, JDK, CICD pipeline.

Confidential

Build and Release Engineer

Responsibilities:

• Designed and implemented Software configuration management (SCM) and change management (CM) solution using Jira, Clear Quest (Change Control tool)
• Used Team Foundation Server TFS and GIT as Version Control.
• Resolved merging issues during build and release by conducting meetings with developers and managers.
• Administrated all aspects in Git and troubleshooted with merge conflicts
• Responsible for designing and deploying best SCM processes and procedures.
• Integrated automated build in Jenkins.
• Developed and maintained integration and release processes.
• Tracked all the changes in Jira tracking tool and provided metrics reporting for the project release activities.
• Maintained and coordinated environment configuration, controls, code integrity, and code conflict resolution.
• Successfully migrated SharePoint 2007 content into SharePoint 2010 using a database attach upgrade.
• Supported and developed tools for integration, automated testing and release management.
• Involved in Research of the project application architecture to support/resolve build, compile, and test issues/problems.
• Designed and created custom workflows using SharePoint Designer and VisualStudio.NET to process the vacation request applying the business requirements.
• Used Jenkins for Continuous Integration and deployment into WebSphere Application servers.
• Deployed application to Testing and Production environment using Web sphere by mapping Web Modules, Shared Libraries, Virtual Hosts.

Environment: s: Subversion (SVN), Git, MS Build, XML, Jenkins, Anthill pro, JIRA, Visual studio, PowerShell, Shell Scripts, Windows, Web Sphere Application Server.

Confidential

Linux/VMware Admin

Responsibilities:

• Installed numerous operating systems (i.e. Windows NT/2000/XP/Vista & Linux) and Configured Microsoft Outlook (2003, and '07) and maintained Exchange servers, performed routine system management, operating system upgrades and software updates.
• Installed and configured anti-virus software with its updates and industry specific software, Managed and monitored industry-specific application servers.
• Experience in researching OS Issues, applying Patches and opening the Vendor Tickets like Remedy, RedBox etc. and Creating metadevices, mirror & maintained root disks using Solaris Volume Manager (SVM).
• Responsible for installation, configuration and administration of Sun Solaris 9 and Red Hat Enterprise Linux on x86 architecture.
• Experience with installing and configuring sudo, proposed and implemented the idea of building a master sudoers file, and worked on a script to push the file to client LPAR's on a weekly basis to lock down sudo access as a part of security audit.

Environment: s: Solaris, Red hat, Linux, HTTP Web Server, Apache Web Server, Web Sphere, RHEL servers, RAID, Oracle, Sun Solaris, SSH, Telnet, Rlogin, MySQL, Apache, RPM, YUM.

Confidential

Intern Linux/VMware Admin

Responsibilities:

• Yum configuration & package installation through YUM, Configuration and troubleshooting for Red Hat Linux and Configuring and deploying of iSCSI server and Client.
• Installation of Red Hat Enterprise Linux, Handling troubleshooting issues like boting, RPM packages, User management and backup.
• Creating and deploying LVM, resizing the logical volume and volume group and Configuration and administration of LDAP, NFS, FTP, SAMBA and POSTFIX Servers in Red Hat Enterprise Linux.
• Create, deploy and manage Linux and windows VM using Red Hat Enterprise Virtualization Manager, which includes moving and migrating VM from one cluster to another cluster or within the same cluster.
• Installed and configured ESXi 5.0, 5.1 Servers on Blade servers. Creating Virtual machines. Creation of templates from VMs and Creation of VMs from templates.

Environment: s: Microsoft Windows, Linux, Unix, Solaris, YUM, RPM, NFS, FTP, SAMBA.