PROFESSIONAL SUMMARY:

• Overall 8 - years of experience in DevOps, Configuration Management, Build Engineering and Release Management processes, including Building binaries, end-to-end code configuration, and deployments of artifacts for entire life cycle model in Enterprise Applications.
• Experienced in DevOps, Build & Release and Configuration Management on Linux and Windows platforms.
• Administered and Maintained Linux (RHEL) 4.x, 5.x, 6.x and Solaris 8/9, CentOS 5 using kickstart based network installation.
• Good understanding of the principles and best practices of Software Configuration Management (SCM) in Agile, Scrum, and Waterfall methodologies.
• Configured Application Life Cycle Management(ALM) tools like JIRA, Trello, to track the progress of the project
• Hands-on experience with Amazon Web Services (AWS) and using AWS Kinesis, SQS.
• Good exposure to Version control tools like Git, GitHub, SVN, Bitbucket -etc.-
• Implemented Continuous Integration and Continuous deployment (CI/CD) using various CI Tools like Jenkins, Bamboo.
• Integrated Jenkins with the version control tools to pull the latest pushed code.
• Experience in creating Jenkins Environment and configuring end to end build pipe lines.
• Experience with orchestration and configuration management toolslike Ansible, Chef, Puppet, as I am much Passionate about automation.
• Installed and Configured Adobe Experience Manager (AEM)Authoring & Publishing Instance
• Implemented Chef Cookbooks for OS component configuration to keep AWS server's template minimal.
• Done cloud migration from physical data center towards Amazon Web services (AWS) and had good understanding with Public, Private and Hybrid Cloud Environments.
• Experience creating pods and clusters in Kubernetes(Kubelets) and deploy those using OpenShift.
• Good understanding of Open shift platform in managing Docker containers and Kubernetes Clusters.
• Good knowledge on protocols and REST and SOAP webservices.
• Expertise in using build tools like MAVEN and ANT for the building of deployable Artifacts such as war and ear from Source Code.
• Installed and configured Adobe Experience ManagerAEM 6.0 instance and developed Templates, Components, Dialogs, Widgets which are the building blocks for a page.
• Achieved continuous delivery by constantly coordinating with testing and dev teams.
• Used Docker and Open Shift to manage micro services for development and testing.
• Experience with Bug tracking tool like JIRA. Created and wrote shell scripts (Bash), Ruby, Python and PowerShell for automating tasks.
• Continuous deployment CD using Ant, Maven. Perl, Power shell, Shell, Puppet, Chef, Packer, Terraform on to prem., AWS and Azure
• Experienced in Administration of Production, Development and Test environments carrying different operating system platforms like Windows, Ubuntu, Red Hat Linux, HTTP, TCP.
• Experienced with Terraform to build Infrastructure as code.
• Experienced in Querying RDBMS such as Oracle, MY SQL and SQL Server by using SQL for data integrity.
• Experienced with Handling Cloud environments (AWS and OpenStack)
• Managed environments DEV, QA, UAT and PROD for various releases and designed instance strategies.
• Well Adverse with the principles and best practices of Software Configuration Management (SCM) processes, which include compiling, packaging, deploying and Application configurations.
• Expert in deploying the code through web application servers like Web Sphere/Web Logic/ ApacheTomcat/JBOSS and Jetty.
• Experience in integrating Unit Tests and Code Quality Analysis Tools like JUnit, Cobertura, PMD, Find-bugs, Check-Style, SonarQube and Gerrit for code review.
• Experience in software Build tools like Apache Maven and Apache Ant to write Pom.xml and Build.xml respectively.
• Experience in Amazon AWS Cloud Administration which includes services like: EC2, S3. For application or backend service worked on Lambda.
• Responsible for Operating System maintenance activities like upgrading the OS, updating the services and third-party software.

TECHNICAL SKILLS:

Operating systems: Linux (Red Hat 4/5/6/7, CENTOS 5/6/7& SUSE), Solaris 11/10/9/8, HP-UX 11.0, 11.11, 11.23, 11.31, IBM AIX (4.3/5.x/6.x/7.x), HPUX11i V1, V2 & V3, SLES 8, 9, 10, 11 & 12, Ubuntu 12/13/14, Windows NT / 2000/2003/2008/2010, DEBIAN

Cloud Environments: Amazon Web Services (AWS), Pivotal Cloud Foundry(PCF), Open

AWS Services: AWS EC2, IAM,VPC, ELB, S3, Direct Connect, AWS Auto-Scaling, Private Link (VPC Endpoint services), RDS, CloudFormation, CloudFront, Route 53, CloudWatch, CloudTrail, CloudHSM, Key Management Service (KMS), VPC Flow, API Gateway, Lambda, EKS, Serverless, Storage Gateway, NLB, ALB, Flow Logs, Automation using Python Boto3, High Availability, Disaster Recovery, CodeBuild, CodeBuild, CodeDeploy, CodePipeline, X-Ray

Web Servers: Web Logic Application Server 9.x, 10.x, Apache Tomcat 5.x/7.x, Red Hat JBOSS 4.22.GA, WebSphere 6.x/7.x/8.x

SCM Tools: Git, Subversion SVN, TFS, CVS, Bitbucket, Perforce.

CI/CD & Build Tools: Jenkins, Bamboo, Anthill Pro, Hudson, Maven, ANT, Gradle.

Automation & container Tools: Chef, Puppet, Ansible, Kubernetes, Docker, Docker Swarm, Kickstart, Jumpstart, CloudFormation, Terraform.

Monitoring Tools: Nagios, Splunk, Zabbix, Amazon CloudWatch,New Relic, ELK (Elasticsearch, Logstash, Kibana), OSSEC

Networking/Protocol: TCP/IP, NIS, NFS, DNS, DHCP, Cisco Routers/Switches, WAN, SMTP, LAN, FTP/TFTP

VMware ESXi, Windows Hyper: V, Power VM, Virtual box, Citrix Xen, KVM, vCenter, vSphere.

Scripting: Perl, Python, YAML, Ruby, PHP, Bash Shell scripting, PowerShell, JSON, Golang

PROFESSIONAL EXPERIENCE:

Confidential, Charlotte, NC

Sr. Cloud AWS Engineer/DevOps Engineer/Linux Engineer

Responsibilities:

• Managed multiple cookbooks in Chef and Implemented environments, roles, and templates in Chef for better environment management.
• Used Shell scripts to day to day activities and tasks for automating.
• Used Jenkins tool to automate the build process to manage Git.
• Installing and configuring Jenkins master and slave nodes. Built CI/CD pipeline and managing the infrastructure as code using chef.
• Have experience in cloud platform like AWS.
• Created and implemented chef cookbooks for deployment. And used Chef Recipes to create a Deployment directly into Amazon EC2 instances.
• Worked with GIT to manage source code.
• Involved with DevOps operations for managing, configuring, provisioning and monitoring servers.
• Experienced in migrate an On-premises Instances or Microsoft Azure Classic Instances to Azure ARM Subscription with Azure Site Recovery
• Built pipelines on the AWS Cloud using AWS Lamba, AWS CodeBuild, AWS CodeDeploy, AWS CodeCommit, AWS CodePipeline, CloudHSM for key encryption, KMS,etc
• Developed Perl, and Bash scripts to do data verification between Hive and Teradata databases as part of database migration.
• Experience in writing DSL scripts in Groovy to automate the Jenkins jobs and pipelines.
• Centrally managed, stored and distributedAPI keys, IAM keys using Hashi Corp Vault Secret Management System.
• Provisioned multiple Virtual Machines (VMs) on VMWare vSphere using Cloud Foundry Bosh and Concourse.
• Monitored and deployed automation through PCF, Bosh and Concourse
• Experience with using testing tools like Selenium, QTP, JUnit, JMeter for testing applications.
• Wrote pom.xml and build.xml when working with software Build tools like Apache Maven and Apache ANT.
• Production experience in large environments using configuration management tools like Chef, Ansible and Puppet supporting Chef Environment and involved in developing manifests. Developed Chef Cookbooks to manage systems configuration.
• Used Apigee for API Management to develop, integrate and test applications faster without building APIs from the ground up.
• Managed APIs by storing them in Hashi Corp tools- VaultSecret Management System
• Integrated and automated pipelines using Concourse.
• Developed and migrated Microsoft ASP .NET, C#, MVC applications to the cloud ensuring 12 factor cloud native principles.
• Used Golang for AWS Cloud monitoring and reduce the compile time for web servers and applications.
• Used Golang to deployGolang web applications on containers such as Docker and Kubernetes.
• Automated using Python using Boto3 for deploying AWS S3 buckets for cloud automation.
• Automated Amazon AWS GuardDuty to inspect and pull logs from various sources such as Amazon CloudTrail, Amazon VPC Flow and DNS logs for cloud automation.
• Monitoring and implementing security on Azure IAAS VMs and virtual networks.
• Converted existing Terraform modules that had version conflicts to utilize CloudFormation during Terraform deployments to enable more control or missing capabilities.
• Used AWS Lambda for automatic triggering of threats and suspicious activities obtained from Amazon GuardDuty.
• Migrated JavaScript applications developed using Node.js and react.js to the cloud.
• Developed JavaScript using node JS and React JS using AWS Elastic BeanStalk and AWS Cloud Formation.
• Migrated various technology stack applications of Java, Microsoft .NET, Web API to the cloud using AWS CloudFormation templates and PCF.
• Updated the Perforce log properties for revisions and setup the Perforce sync servers, changed rev properties for Perforce sync
• Resolved production issues from the ServiceNow ticketing system.
• Protect endpoints such as computers in the organization using Symantec end point protection.
• Developed applications on Microsoft.Net framework 4.5/4.0/3.5/3.0 using C#, ASP.NET, ADO.NET, MS SQL SERVER and Visual Studio 2012/2010/2008/2005.
• Deployed applications on Pivotal Cloud Foundry (PCF) considering 12-Factor Cloud native principles.
• Use of Docker and AWS Redshift and Redhat OpenShift to manage micro services for development and testing.
• Used AWS Database Migration Service (DMS) to migrate databases to AWS Redshift.
• Experience with multitude of AWS services like AWS EC2, SNS, RDS, Data Pipeline, Lambda, CloudFormation, Glacier for data archival, S3 for storage, CloudWatch for monitoring, Elastic BeanStalk.
• Created micro service plugin for Hapi.js service worker to read in info via RabbitMQ message bus to create and send SNS messages to AWS SNS topic
• Used Apache JMeter to continuously test the performance of web applications.
• Experience with Helm charts for packaging applications in Docker containers and maintaining in Kubernetes.
• Migrated applications to the AWS Cloud and ensured High Availability and High redundancy for applications deployed using Pivotal Cloud Foundry (PCF).
• Used and managed Microsoft Azure AKS service to deploy a managed Kubernetes cluster
• Installed and provided administration of VMware vSphere ESXi 6.5 environment, Evaluated and implemented new hardware and software solutions that benefited architecture and operations implemented VMware SRM and troubleshot performance issues.
• Used Hashi Corp tools like Terraform for automation, Vault for secrets managements, Consul for Service Discovery, and Nomad to run various microservices and to reduce workloads, packer for creating golden images for multiple platforms.
• Deployed and performed administration and debugging of containers using Kubectl
• Deployed Full stack apps with HTTP servers, databases, caches with Helm charts.
• Wrote AWS CloudFormation templates in YAML/JSON to provision
• Strong use of Shell scripting languages including BASH for Linux.
• Ability to create scripts using Azure PowerShell during for automation and build process.
• Scheduled, deployed and managed container replicas onto a node cluster using Kubernetes.
• Used Kubernetes to deploy Docker containerizing.
• Perform Deployment of Release to various QA & UAT in Linux environments.
• Scripting in multiple languages on UNIX, LINUX, and Windows - Batch, Shell script.
• Extensive experience in LINUX/Unix System Administration, System Builds, Server Builds, Installations, Upgrades, Patches, Migration, Trouble shooting on RHEL 5.0, 6.0, 7.0.
• Setup Chef Server, workstation, client and wrote scripts to deploy applications.
• Deployed the applications to Tomcat Application Server and static content to Apache web servers.
• Automated the continuous integration and CI/CDdeployments using Jenkins, Docker, Ansible and AWS Cloud Templates.
• Installed and used monitoring tool like Nagios, Configured, and Managed Monitoring Tools such as Nagios for Resource Monitoring/Network Monitoring/Log Trace Monitoring. Monitoring focal utilizing Nagios.
• Worked on Docker container to create Docker images for different environments.
• Container management using Docker by writing Docker files and set up the automated build on Docker HUB and installed and configured Kubernetes.
• Updated Hapi.js service worker to emit a new RabbitMQ message.
• Converting existing AWS infrastructure to server less architecture (AWS Lambda)deployed via Terraform or AWS Cloud formation.
• Provided high availability for IaaS VMs and PaaS role instances for access from other services in the VNet with Azure Internal Load Balancer
• Used JIRA as ticket tracking, change management and Agile/SCRUM tool.
• Automated CI/CD process using Jenkins, build-pipeline- plugin, GIT.
• Very good experience working on continuous integration and Continuous Delivery CI/CDtools such as Jenkins and Bamboo and did support and backup.
• Working experience of deployment of Java applications through WebLogic/WebSphere Application servers. And build tools like Gradle.
• Implemented and improved process for release management, automated code deployment, configuration management, and monitoring.

Environment: Quick Test Professional (QTP),Kubernetes, Docker, Agile, Linux,CI/CD,Mercury Quality Center, Java/J2EE, DB2, Web Sphere, Windows, Load Runner, Oracle, Perl, SQL, PL/SQL, Teradata,Terraform, MS Excel, MS Office.

Confidential, Wilmington, DE

DevOps Engineer / Cloud Engineer

Responsibilities:

• Connected continuous integration system with GIT version control repository and continually build as the check-in's come from the developer.
• Versioning and Source control of codes using GIT concepts such as branching, merging, labelling/tagging,
• Branches locking, access control and integration.
• Hands on experience in deploying the Spring Boot Microservices to Pivotal Cloud Foundry (PCF) using build pack and Jenkins for continuous integration.
• Involved in designing and deploying multiple applications using AWS cloud infrastructure focusing on high availability, fault tolerance and auto-scaling of the instances.
• Leveraged Amazon Web Services like EC2, RDS, EBS, AWS Kinesis, SQS ELB, Auto scaling, AMI, IAM through AWS console and API Integration.
• Developed infrastructure as code with Terraform to deploy VMware and AWS infrastructure
• Created Buckets in AWS and stored files. Enabled Versioning and security for the files stored.
• Created SNS (Simple Notification Services) and triggering it by Cloud Watch monitoring to send SMS or Email to desired recipients.
• Worked on Docker hub, creating Docker images and handling multiple images primarily for middleware installations and domain configurations.
• Integrated Docker container-based test infrastructure to Jenkins CI test flow and set up build environment integrating with Git and Jira to trigger builds using Web Hooks and Slave Machines.
• Virtualized the servers on AWS using the Docker, created Docker files and version control.
• Configured and maintained Jenkins to implement the CI process and integrated the tool with GIT and Maven to schedule the builds.
• Implemented new build framework using Jenkins & maven as build framework tools.
• Configured Jenkins daily periodic backups for Jenkins config and plugins files.
• Worked with data management tools like Splunk, ELK- Elastic Search, Log Stack and Kibana.
• Developed Python application to generate dynamic inventory for Ansible from Terraform state
• Used Splunkto monitoring/metric collection for applications in a cloud-based environment.
• Worked with Configuration Management automation tool Ansibleand has worked on integrating Ansible YAML Scripts.
• Created Ansible playbooks to automatically install packages from a repository, to change the configuration of remotely configured machines and to deploy new builds.
• Worked with Ansible to manage Web Applications, Config Files, Data Base, Commands, Users Mount Points, and Packages. Ansible to assist in building automation policies.
• Managed a PaaS for deployments using Docker, Ansible and Mesos, which reduced considerably deployment risks.
• Involved in building Object Oriented applications using Java, writing Shell Scripts and Python Scripts on UNIX.
• Created and wrote Python and Shell scripts for automating tasks.
• Involved in using Tomcat Web Server, JBOSS, WebLogic and WebSphere Application Servers for deployment.

Environment: AWS, Ansible, CI/CD (Jenkins), Docker, Maven, Terraform, Splunk, ELK, GIT, Cloud Watch, Python, Shell Scripting, JSON, WebSphere, Tomcat.

Confidential, NYC, NY

Sr. DevOps Engineer/ Cloud Engineer / AWS Engineer

Responsibilities:

• Implemented new process and policies for build process and involved in auditing.
• Worked in designing and implementing continuous integration system using Jenkins by creating Python and Shell scripts.
• Automated the cloud deployments usingPuppet, Python (Jinga templates) and AWS Cloud Formation Templates.
• Worked on setting up Upstream and Downstream Jobs in Jenkins.
• Used PCF and Pivotal Container Service (PKS) to run containers, ISV apps, Apache Spark using the PCF platform.
• Used Pivotal Cloud Foundry (PCF) to deploy applications to the cloud faster with less turnaround time.
• Worked on Multi project jobs in Jenkins and used pipeline plugin to manage them.
• Working and involved in migration (Implementation and Delivery) of existing websites to AEM6.0
• Implemented automated application deployment and written deployment scripts and automation scripts.
• Created and updated Puppet manifests and modules, files, and packages stored in the GIT repository.
• Lead Automation deployment team and worked with Puppet, written puppet modules for application deployment.
• Used Apigee for managing API keys and secrets for applications security.
• Developed web applications in Golang and deployed them in Docker containers.
• Used Amazon GuardDuty to prevent malicious activities for AWS EC2 instances, users and various AWS resources.
• Managed and protected API keys in Hashi Corp Vault Key Management System.
• Automated AWS S3 buckets and files using Python Boto3 module for cloud automation.
• Worked with Python, Flask, Jenkins, Terraform and incorporating those three services for infrastructure automation project.
• Administering and deployment of Sun Solaris, Red Hat (Linux) & AIX servers via VMware.
• Very good understanding of AEM architectural concepts (such as design, deployment, scaling & security)
• Worked with various AWS, EC2 and S3 Command Line Interface(CLI) tools.
• Implemented AWS solutions using EC2, S3, RDS, EBS, Elastic Load Balancer, Auto-scaling groups. Optimized volumes, AWS Kinesis, SQS and EC2 instances
• Patched different software using RedHat Package Manager and YUM.
• Automate infrastructure creation, deployment and recovery using Ansible, Docker, Terraform& Jenkins
• Used IAM to create new accounts, roles and groups.
• Configured S3 versioning and lifecycle policies to and backup files and archive files in Glacier.
• Created monitors, alarms and notifications for EC2 hosts using Cloud Watch.
• Create proof of concepts of technologies to evaluate:Docker, Kubernetes, Cassandra,, Bamboo, Jenkins, Splunk, Terraform.
• Implementing a Continuous Delivery framework using Jenkins, Chef, Maven& Nexus in Linux environment.
• Worked on M-Collective framework for building server orchestration and parallel job-execution systems.
• Planning and implementing VPCs with multiple availability zones and multiple subnets to meet the dynamic IP requirements.
• Part of installation of AEM 6.0 author & publish instances on to Development, Integration.
• Launching and configuring of Amazon EC2 Cloud Servers using AMI's (Linux/Centos) and configuring the servers for specified applications.
• Management of Red Hat Linux user accounts, groups, directories and file permissions.
• Maintained and Administered GIT Source Code Tool.
• Created Branches, Labels and performed Merges in Stash and GIT.
• Installed and Configured AEM Authoring & Publishing Instance.
• Developed Processes, Tools, Automation for Jenkins based Software for Build system and delivering SW Builds.
• Perform Deployment of Release to various QA & UAT in Linux environments.
• Scripting in multiple languages on UNIX, LINUX, and Windows - Batch, Shell script.
• Managed Build results in Jenkins and Deployed using workflows.
• Used elastic search through JSON and Java API.
• Wrote deployment recipes for infrastructure management (Terraform)
• Worked on Oracle Databases there by connecting different environments to these databases in lower and production environments.
• Build new Jenkins Jobs for the new Adobe Experience Manager(AEM) instances.
• System Cloning, System Copy, and Data Refresh as agreed to by the business stakeholders.
• Designed and implemented fully automated server build management, monitoring and deployment by using DevOps technologies like Puppet.
• Designed and implemented scalable, secure cloud architecture based on Amazon Web Services.

Environment: AWS, SQS, Ansible, CI/CD (Jenkins), Docker, Maven, Linux,Splunk,Terraform, Red Hat ELK Elastic Search, GIT, Cloud Watch, Python,Kubernetes, Adobe Experience Manager AEM 6.1, Shell Scripting, JSON,AEM 6.0,WebSphere, Tomcat

Confidential

Linux System Administrator/Middleware Engineer

Responsibilities:

• Installed, configured WebSphereApplication Server Base/ND/XD 8.5/8.0/WebSphere Process Server V7 and IBM HTTP Server 6.0/7.0 in RedHat Linux and Windows.
• Installed and Configured IBM WebLogic Application Server, JDBC Drivers and Servlet Engines along with troubleshooting and recovery on AIX, Solaris and Windows.
• Deployed EAR/WAR files on multiple Servers/Clusters and maintained Load balancing, high availability and Failover functionality.
• Experience in installing, configuring and maintaining application Server like WebSphere and Web Servers like Web Logic, Apache HTTP and Tomcat on UNIX and Linux.
• Worked on VMware for Virtual server builds, increasing memory, CPU, adding disks, Maintenance on ESX hosts VM and server/storage migrations.
• Use VMware, vSphereandvCenter Update Manager to apply patches to virtual machines and alsoVirtual Private Networking (VPN) tools and techniques to maintain these VM's.
• Samba and Apache Web Services Performed different software changes in VMware environment on customer's servers. Followed up with Data Center personal for hardware related changes.
• Deployment and troubleshooting of JAR, WAR, and EAR files on both stand alone and clustered environment in JBoss 4.2/5.0, WebLogic 8.x/9.x/10.x and Apache tomcat 6.0.
• Managed the security and performance optimizations for EJB containers and web applications in IBM WebSphere, IBM HTTP Server and Apache web server. Generated http plug-in config and moved it to the web servers. Troubleshoot problems for plug-in regeneration.
• Configure build scripts (ANT) for build Jobs and create, configure nodes on Jenkins.
• Worked on Implementation of Azure Key Vault in different applications to help maintaining keys and secrets across different environments in a secured way.
• Installed monitoring agents like New Relic, Log analyzer - Splunk Forwarder on RHEL 6.3.

Environment: Linux (RHEL 5.x/6.x), Solaris 9/10/11, RedHat Satellite Server, Apache Tomcat, KickStart, Bonding, RAID, WebSphere, SQL, Agile, WebLogic, Subversion, Samba, NFS, FTP, LVM, Tomcat, Apache, bash.

Confidential

Software Configuration Engineer/ Release Engineer

Responsibilities:

• Involved in user interactions, requirement analysis and design for the interfaces
• Prepared the design document for Document Management Module and User Management Module
• Created class diagrams and sequence diagrams using MS Visio and Network Migration from RIP to OSPF
• Build and maintain Visio documentations for Clients
• Followed waterfall methodology for application development
• Promoting the changes from trunk revisions to release branch
• Routing Protocol (BGP4, OSPF, EIGRP, IGRP, RIP, IS-IS, NLSP), Routed Protocol (TCP/IP, IPX/SPX)
• Administering & designing LANs, WANs internet / intranet, and voice networks
• Proposed and implemented branching strategy suitable for agile development in Subversion
• Installed and configured Hudson for Automating Deployments and providing an automation solution and Integrated Subversion into Hudson to automate the code check-out process
• Involved in enhancement of SOA web services using AXIS to support .net applications
• Involved in development of custom tag libraries which provides various functionalities like check-in, check-out, export, import, open, delete, search on JSP pages
• Involved in development of customized Web applications on top of Orion Frameworks using Web technologies like JSP, Servlets, Java script
• Analyzed the existed Win32 C language-based installer and redesigned and developed as rich UI based installer using java, XML, XSL, and Install Shield Multiplatform (ISMP), which installs various Content Management products developed to Windows Operating System
• Written Oracle Admin schema using SQL, which creates Orion Oracle database instances in Oracle 10g and Oracle9i
• Implemented various customized java beans, which creates Windows start up services for Storage Server and Command Server, Updates registry entries, executes Oracle database schema, installs web based and console-based applications
• Involved in migration of code in CORBA framework to Java/J2ee framework
• Production support to fix bugs in products
• Mentored junior developers in design and development
• Discussed and presented architectural designs to the senior management and client
• Having the responsibility to test the use case by writing the Unit test cases and having good knowledge in usage of J-unit to test the application
• Good experience in debugging the application by running the server in debug mode and having the experience in usage of log4J to persist the data in log files

Environment: Java/J2EE, SQL, Perforce, Hudson, XML, C, .NET, MS Visio, Java Scripts, Log4J, CORBA Framework, Windows XP, Linux.