SUMMARY

• Having 10 years of professional experience in teh IT industry comprising of Linux Administration, Build and Release, DevOps, and AWS Cloud Services dat include DevOps principals with keeping up CI/CD in various environments like (DEV/TEST/STAGE and PROD).
• Expertise in AWS Cloud services likeEC2, VPC, ELB, Auto - Scaling, Route53, IAM, EBS, AMI, RDS, S3, SNS, SQS, EMR, Kinesis, Lambda, CloudFormation template, CloudFront, CloudTrail, ELK Stack, Beanstalk, CloudWatch, and DynamoDB.
• Extensive experience in Develop automation and processes to enable teams to deploy, manage, configure, scale, monitor applications in Data Centers, and AWS Cloud and AZURE.
• Involved in provisioning and Automation serviceson Public Cloud like AWS, Azure and Kubernetes.
• Extensive noledge inAzureCloud Services (PaaS & IaaS), Storage, Web Apps, Active Directory, Application Insights, Logic Apps, Data Factory, Service Bus, Traffic Manager, Load Balancers OMS, Key Vault.
• Expertise in Configuring and networking of Virtual Private Cloud (VPC), Writing CloudFormation templates, and deploying AWSresources using it.
• Having very good noledge of Virtualization technologies like VMware ESX/ESXi, OpenStack, and involved in teh maintenance of virtual servers.
• Extensively worked on Docker/Kubernetes for containerization, virtualization, Ship, Run and deploy teh application securely to fasten Build/Release Engineering. Involved in Provisioning AWS Infrastructure using Terraform scripts from Jenkins.
• Worked on Red hat OpenShiftto improve application security by putting admin consoles on different Docker containers accessible only from unusual port numbers.
• Experienced in teh continuous deployment of Micro-Services based applications using Docker and Kubernetes.
• Experience in deploying Kubernetes Cluster on Azure cloud with master/minion architecture and wrote many YAML files to create many services like pods, deployments, auto-scaling, load balancers, labels, health checks, Namespaces, Config Map, etc.
• Experience working onDockerandKubernetesfor maintaining and administration of teh openshift enterprise V4. Proficient with container systems like Docker and container orchestration like EC2 Container Service, Kubernetes, worked with Terraform.
• Experience in writing Ansible Playbooks and Puppet Manifests to provision Apache Web servers, Tomcat servers, Nginx, Apache Spark, and other applications.
• Experience in Writing Chef Cookbooks and Recipes to automate our build/deployment process and do an overall process improvement to any manual processes.
• Proficient in Writing Terraform templates, Chef Cookbooks, recipes, and pushed them onto Chef Server for configuring EC2 Instances.
• Experience in writing Puppetmanifests for deploying, configuring, and managing collected for metric collection and monitoring. Worked on Puppet for teh deployment of servers with custom scripts.
• Extensively worked on Jenkins for continuous integration and End to End automation for all build and deployments.
• Expertise in developing build and deployment scripts using Maven (pom.xml) as build tools in Jenkins to move from one environment to other environments.
• Experience in using Nexus Artifactory Repository Managers for Maven builds.
• Expert in Branching, Merging, Tagging, and maintaining teh version across teh environments using SCM tools like GIT, BitBucket, and Subversion (SVN) on windows and Linux platforms.
• Experienced in keeping up and looking at log archives using monitoring tools like Nagios, Splunk, CloudWatch, ELK Stack, Dynatrace, New Relic, Prometheus, and AppDynamics.
• Experience in scripting languages like Python, Ruby, Groovy, and UNIX Shell/bash scripting.
• Expertise in writing new plugins for Jenkins to support advanced functionality in Terraform.
• Extensive noledge in Installing and configuring various middleware packages such as WebSphere, WebLogic, Tomcat, Nginx, and JBOSS servers.
• Excellent understanding of SDLC methodologies like Agile, Waterfall, and SCRUM.
• A very good expert in utilizing Atlassian products such as Bit Bucket, JIRA, and Confluence.
• Well versed in testing and automation tools like Selenium, Junit Framework, and Cucumber.
• Involvement in installing, updating, and keeping up RedHat Enterprise Linux, CentOS, Ubuntu, SUSE Linux, and Windows-based platforms.
• Expertise in hand coding with various client side using JavaScript, Html layers, XML, CSS, and visual design for updated day-to-day site management.
• Willingness to learn new languages, frameworks, and skills. A deep understanding of teh value of Continuous Delivery and work together to halp teams to release frequently and often to production with high quality.

TECHNICAL SKILLS

AWS Services: EC2, ELB, VPC, RDS, IAM, CloudFormation, S3, SNS, SQS, Lambda, EBS, CloudTrail, Elastic Beanstalk, Route 53, Kinesis, Redshift, CloudWatch.

Version Control Tools: Subversion (SVN), GIT, GIT Hub, Git Lab, BitBucket.

Build Tools: ANT, MAVEN, Gradle.

CI Tools: Jenkins, TeamCity, Bamboo, Hudson.

Configuration Management: Chef, Puppet, Ansible, Terraform.

Containerization Tools: Docker, Kubernetes, Vagrant, Docker Swarm, Mesos.

Infrastructure: AWS Cloud Platform, GCP, Azure.

Operating Systems: Linux (Red hat, CentOS, SUSE, Ubuntu, Solaris), WINDOWS 7/8/10, MAC.

Database: MySQL, MongoDB, SQL Server, DynamoDB.

Monitoring Tools: Nagios, Prometheus, AppDynamics, Splunk, ELK Stack, Dynatrace, Grafana.

Ticketing & Tracking Tools: JIRA, Remedy, ServiceNow.

Web Servers: Apache Tomcat 5/7, JBOSS, WebLogic 9/10, Nginx, WebSphere 6/7/8

Languages/Scripts: Java, C, C++, Shell/Bash, Python, Groovy, Ruby, and YAML.

Web Technologies: HTML, CSS, Java Script, Bootstrap, XML, JSON.

PROFESSIONAL EXPERIENCE

Confidential - St Louis, MO

Sr AWS Cloud/Openshift Engineer

Responsibilities:

• Maintained physical and Cloud infrastructure running Redhat/CentOS/Ubuntu/Solaris on AWS Cloud and on-prem.
• Managing teh Openshift cluster dat includes scaling up and down teh AWS app nodes.
• Maintained teh user accounts (IAM), Route 53, VPC, RDS, Dynamo DB, and SNS services in teh AWS cloud.
• Working on AWS Elastic load balancing for deploying applications in high availability and experience in working on cloudEC2, S3, RDS, LoadBalancer, AutoScaling with AWS command-line interface.
• Setup GCP Firewall rules to allow or deny traffic to and from teh VM's instances based on specified configuration and used GCP cloud CDN (content delivery network) to deliver content from GCP cache locations drastically improving user experience and latency.
• Evaluated Kubernetes for Docker container orchestration and Integrated Docker container orchestration framework usingKubernetesby creating pods, config maps, and deployments.
• Implemented Microservices onRedHat OpenShiftbased on Kubernetes, Etcd, and Docker to achieve Continuous Delivery
• Pulled teh relevant Docker images from teh hub and created containers and deployed them intoKubernetesCluster.
• Deployed CoreOSKubernetesClusters to manage Docker containers in teh production environment with lightweight Docker Images as base files.
• Designed a patch process and wroteansibleplaybooks for patching openshift -RHEL, atomic OS and also for bug fix forOpenshift
• Design and Implemented kubernetes manifests, helm charts for deployment of microservices into k8s clusters
• Managed local deployments in Kubernetes, creating local clusters, and deploying application containers.
• Managed LDAP to add, modify, and delete user accounts, group accounts, net groups, and service accounts across teh regions globally.
• Deployed OpenShift Enterprise v4.4 on RedHat 7 environment and integration with private Docker Registry
• Test and apply operating systems, security patches, and upgrades -Linux, Windows.
• Optimizes system operation and resource utilization and performs system capacity planning/analysis while maintaining teh security posture.
• Contributed to python library dat deploys k8s clusters using helm charts, in-house tool (SSDT) for service deployments into teh k8s clusters
• Configured VMware and installed severalLinuxand Windows Operating Systems according to teh client's needs. Also involved in maintenance and Troubleshooting of VMware.
• Used OpenShift architecture for OpenShift build automation, OpenShift CLI and CLI operations, OpenShift cluster and cluster maintenance.
• Experience in managing Ansible Play books withAnsibleroles, group variables, and inventory files and copy and remove files on remote systems using file module.
• Update Jenkins pipelines and OpenShift templates to make use of teh new environment
• Hands-on experience onAnsibleandAnsibleTower as a Configuration Management tool, automate repetitive tasks, quickly deploys critical applications, and proactively manages change.
• Implemented Infrastructure automation throughAnsiblefor auto-provisioning, code deployments, software installation, and configuration updates.
• Setting up Kubernetes (k8s) clusters for running microservices and pushed microservices into production with Kubernetes backed infrastructure
• Design, installation, configuration and administration of Linux 5, 6 and 7 servers and support of OpenShift Enterprise and non-OpenShift support.
• Developed many roles and playbooks inAnsibleand automated to build and deploy infrastructure usingAnsible.
• Wrote ANSIBLE Playbooks with Python, SSH as teh Wrapper to Manage Configurations of AWS Nodes and Test Playbooks on AWS instances using Python. RunAnsibleScripts to provision Dev servers.
• Worked with Apache Tomcat for deploying and starting applications.
• Configured local Maven repositories and multi-component Ant projects with Nexus repositories and scheduled projects in Jenkins for continuous integration.
• Used Jenkins to build jobs with Git repository andMavenfor Continuous integration and automated Regression Test environment.
• Configuring and maintaining Red hat OpenShift v4.4PaaS environment
• Maintain and enhance automation to support setup and provisioning of new projects in OCP and OpenShift upgrades.
• Worked on Openshift platform in managing Docker containers and Kubernetes Clusters and Created Kubernetes clusters using ansible playbooks (launch-instance deploy-docker.yml, deploy-kubernetes.yml) on Exoscale.
• ManagedOpenshiftmaster, nodes with upgrades, decommission them from active participation by evacuating teh nodes and upgrading them.
• ConfiguredJenkinson K8 and used JobDSLplugin to automate Jenkins job creation process
• Worked on creating repositories, Plugin management, snapshots, and deployment automation inMaven.
• Experience in InstallingJenkins Plugins for GIT Repository, Setup SCM Polling for Immediate Build with Maven Repository, and Deployment of apps using custom modules through Ansible as a CI/CD Process.
• Managed SonatypeNexus repositories to download teh artifacts (jar, war&ear) during teh build.
• Responsible for teh design and maintenance of theGitStash Repositories, views, and access. Used automated code check-outs inGitand created branches.
• Experience in working withGITto store teh code and integrated it into Ansible Tower to deploy teh playbook.
• Deployed and configuredGITrepositories with branching, forks, tagging, and merge requests.
• Configured Kubernetes Plugin for Jenkins agents to be dynamically provisioned on aKubernetes cluster.
• Worked on teh creation of custom Docker container images, tagging and pushing teh images andDockersconsoles for managing teh application of teh life cycle.
• Created Dockerimages using aDockerfile, worked onDockercontainer snapshots, removing images, and managingDockervolumes.
• Created private-cloud using Kubernetes dat supports DEV, TEST, and PROD environments.
• Used Jira 6.2 as our bug tracking tool and worked with teh present administrator to make updates and consult on plugins.
• Used teh JIRA tool to create and update stories and for tracking project status.

Environment: AWS (Amazon Web Services), EC2, S3, VPC, S3, Glacier, ELB, AMI, SNS, IAM, Route 53, Autoscaling Apache Tomcat, Apache WebLogic, PowerShell Python, Kubernetes, Openshift, Jenkins, Ansible, Git, GitHub, Bitbucket, Docker, Ant, Maven Jira.

Confidential, Farmington Hills, MI

AWS DevOps Engineer

Responsibilities:

• Developed shell scripts to spin-up teh EC2 instances with teh apache server in teh public subnet and MySQL in teh private subnet, which can access teh internet with increased security by NAT gateway configured in teh public subnet.
• Build and configure a virtual data center in teh Amazon Web Services cloud to support Enterprise Data Warehouse hosting including Virtual Private Cloud (VPC), Public and Private Subnets, Security Groups, Route Tables, and Elastic Load Balancer.
• Worked on Google cloud platform (GCP) services like compute engine, cloud load balancing, cloud storage, cloud SQL, stack driver monitoring, and cloud deployment manager.
• Wroteansiblescripts to ensureOpenshiftcontainer platform works in sync with Bank system of records.
• Worked on Redhat OpenShiftto improve application security by putting admin consoles on different Docker containers accessible only from unusual port numbers.
• Worked onOpenShiftfor container management and to enhance container platform multi - tenancy.
• Configured and maintained user accounts for dev, QA, and production teams and created roles for EC2, RDS, S3, Cloud Watch, EBS resources to communicate with each other using IAM. Worked on AWS services EC2, IAM, S3, Lambda, Cloud Watch, Dynamo DB, SNS, Elastic Beanstalk, VPC, ELB, RDS, EBS, Route 53, ECS, and Autoscaling.
• Involved working with aPaaSsolution such asRedHat Openshift.
• Configuration and setup of virtual and cloud development environments using Vagrant /AWS/Azure.
• Created & configured virtual machines on Azure cloud as per requirement.
• Built Applications using Binary builds hosted inOpenShiftand expose them to make them reachable to Applications outside ofOpenShift.
• Implemented messaging solution to automate device data sync with client database utilizing OpenShift applications deployed on AWS.
• Implemented a CD pipeline with Docker, Jenkins, GitHub, Ansible, and AWS AMIs.
• Provide highly durable and available data by using S3 data store, versioning, lifecycle policies, and create AMIs for mission-critical production servers for backup.
• Designed DevOps workflow for multiple applications by orchestrating Test, Build, Release, and Deployed phases through various CI/CD pipelines using Git, Maven, Jenkins, Ansible & Cloud formation tools.
• Worked on GKE Topology Diagram including masters, slave, RBAC, helm, kubectl, ingress controllers GKE Diagram including masters, slave, RBAC, helm, kubectl, ingress controllers.
• Responsible for monitoring and making sure there are no existing bugs and vulnerability using tools such asSonarQubefor teh security audit purpose.
• Integration withSonarQubefor code coverage, Selenium for automatic tests.
• Developed build and deployment scripts using MAVEN as a build tool in Jenkins to move from one environment to other environments.
• Managed Maven project dependencies by creating parent-child relationships between projects.
• Liable for setting up tasks inSonarQubefor code quality check, setup up task to fail teh build ifSonarQubesees any bugs or vulnerabilities.
• Administered with Docker, Kubernetes, OpenShift and Mesos container technologies. Administration experience with Jenkins and Bamboo for doing CI/CD.
• Changing teh AWS infrastructure Elastic Beanstalk to Docker withKubernetes.
• Used Jenkins pipelines to drive all micro services builds out to teh Docker registry and then deployed to Kubernetes, Created Pods and managed using Kubernetes
• Building/Maintaining Docker container clusters managed by Kubernetes Linux, Bash, GIT, Docker, on GCP (Google Cloud Platform). Utilized Kubernetes and Docker for teh runtime environment of teh CI/CD system to build, test deploy.
• Used file module in Ansible playbook to copy and remove files on remote systems
• Automated teh cloud deployments using Ansible, python (boto), and AWS Cloud Formation Templates.
• Worked on Ansible core concepts like Inventory, Playbooks, Roles, Tasks, and Modules.
• Designed and implemented a complete CI process with Jenkins and Nexus.
• Installed and configured Nexus repository manager for sharing artifacts between internal teams and created proxy Nexus repositories to speed up teh build process.
• Configured local Maven repositories with Nexus repositories and scheduled projects in Jenkins for continuous integration.
• Designed Delivery pipeline in Jenkins based on different environments like Dev, SIT, UAT, and Production.
• Used a Maven dependency management system to deploy SNAPSHOT and RELEASE artifacts to Nexus to share artifacts across projects.
• Code Coverage-Installed SONARQUBE on teh Jenkins server and configure it with teh build process for teh code analysis process for better code quality and code metrics, and rapid feedback for development teams and managers.

Environment: AWS, Git, Chef, Puppet, UNIX/Linux, TFS, Docker, Kafka, Maven, Dynatrace, Openshift, Jenkins, Perl & Shell scripts, Python, Java, Ruby, Splunk, Microsoft Azure, Groovy/Grail, PCF.

Confidential, West Chester, PA

DevOps Engineer/Site Reliability Engineer

Responsibilities:

• Launching Amazon EC2 Cloud Instances using Amazon Web Services and Configuring launched instances with respect to specific applications.
• Installed teh application on AWS EC2 instances and also configured teh storage on S3 buckets.
• Performed S3 buckets creation, policies and also on teh IAM role based polices and customizing teh JSON template.
• Worked with teams to understand specific JIRA and Confluence needs
• Architected, planned, developed & maintained Infrastructure as code using CI/CD deployments
• Implemented and maintained teh monitoring and alerting of production and corporate servers/storage using AWS Cloudwatch.
• Managed servers on teh Amazon Web Services (AWS) platform instances using Puppet as Configuration management.
• Request, download and install SSL certs using Venafi.
• Responsible for creating JVM’s with respective folders and scripts (Manually and Automated).
• Implemented Continuous Integration using Jenkins.
• Deployed teh java application into web application servers like Apache Tomcat.
• Experienced in deployment of applications on Apache Webserver, Nginx and Application Servers such as Tomcat, JBoss.
• Troubleshooting teh application whenever it fails within stipulated SLA.
• Virtualized teh servers using teh Docker for teh test environments and dev-environments needs. And also configuration automation using Docker containers.
• Responsible for Plugin Management, User Management, regular incremental backups and regular maintenance for recovery.
• Worked with various scripting languages like Bash & Python.

Environment: AWS, Puppet, Jenkins, JVMs, Docker, SSL CERT, LINUX, Tomcat, Github.

Confidential

Site Reliability Engineer

Responsibilities:

• Responsible for managing and troubleshooting multiple on-premises Kubernetes clusters by creating monitoring and alerting.
• Created on-premises HA Kubernetes cluster in different environments for Starbucks careers, rewards and menu pages.
• Configured Rancher for managing Kubernetes cluster and installed Kubewatch to send notifications to Slack.
• Installed Helm for easy deployment of applications and deployed teh containerized NodeJS applications.
• Configured Ingress Controller to distribute teh incoming traffic to related services and installed Kubernetes dashboard to halp developers with easy readability for all teh clusters.
• Installed and managed GlusterFS on teh Kubernetes cluster to provide dynamic provisioning and used Heketi to manage teh GlusterFS.
• Configured Azure AppInsights for monitoring and troubleshooting Azure resources.
• Worked on Azure Site Recovery Services to pilot Application migration from On-premise to Cloud.
• Managed, configured Azure Web Jobs to run continuous and scheduled tasksand wrote ARM templates to deploy Azure services.
• Configured security and system in Jenkins, added multiple nodes to Jenkins and configured SSH for Continuous Deployment
• Wrote salt formulas to containerize legacy application including Memcached and Elasticsearch.
• Created Azure Container Registry to store all teh docker images for teh application and worked closely with teh developers for deploying teh applications.
• Extensively worked on Jenkins, Docker for continuous integration and for End to End automation for all build and deployment.
• Used Kubernetes to deploy load balance, scale and manage Docker containers with multiple namespace versions.
• Wrote Shell/Python scripts to automate teh deployment process. Tested and deployment automation with Docker containerization. Automation of manual tasks using Shell scripting.
• Worked with Terraform key features such as Infrastructure as code, Execution plans, Resource Graphs, Change Automation.
• POC and create multiple Terraform modules to manage configurations, applications, and automate installation process on Azure
• Reduced critical vulnerabilities on windows servers dat were not patched for few years by writing a PowerShell script and applied 100+ patches on each server.
• Great experience using GIT like fork, branching, merging, tagging, pushing, pulling, and cloning.
• Experience in using GitHub repository to commit teh code by developers and cloning teh code to Jenkins.
• Responsible for implementing, documenting and managing changes to application support systems using Ansible.
• Used Confluence to create, share and discuss contents and projects and used Jira for project management.
• Worked closely with application business owners and operations teams in an Agile/Scrum/Kanban environment to deliver high quality product.

Environment: Azure, Kubernetes, Docker, Ansible, Salt Stack, Git, Jenkins, Bash, DataDog, New Relic, Splunk, Terraform, Helm, GlusterFS, Heketi, Python, Jira, Confluence

Confidential

Build and Release Engineer

Responsibilities:

• Developed, Maintained, and updated various script for services (start, stop, restart, recycle, Cron jobs) UNIX based Korn shell, Bash.
• Performed project coordination function for evaluation, installation, monitoring, and maintenance of server software on a variety of hardware platforms.
• Integrated GIT into Jenkins to automate teh code check-out process. Defining Release Process & Policy for projects early in SDLC.
• Installed and configured Jenkins for Continuous Integration and Release Management.
• Developed Processes, Tools, Automation for Jenkins based Software for teh Build system, and delivering SW Builds.
• Setting up teh build and deployment automation for teh Java base project by using Jenkins and Maven.
• Set up Jenkins server and build jobs to provide continuous automated builds based on polling GIT.
• Remote system administration using tools like SSH, Telnet.
• Maintained teh Linux Firewall for network and implement to secure teh network.
• Configured and maintained network services such as LDAP, DNS, NIS, DHCP, NFS, Web, mail, FTP.
• Connected continuous integration system with teh GIT version control repository and continually build as teh check-ins come from teh developer.
• Used ANT and MAVEN as build tools on Java projects for teh development of build artifacts on teh source code.
• Creation and scheduling of Cron Jobs for Backup, system monitoring, and removal of files are not required.
• Installed and configured continuous management tool Puppet, to ensure teh deployment process.
• Used Puppet Dashboard and Puppet DB for configuration management to existing infrastructure.
• Developed automation scripting in Python (core) using Puppet to deploy and manage Java applications across Linux servers.
• Set up puppet master, client and wrote scripts to deploy applications on Dev, QA, production environment.
• Developed automated processes dat run daily to check disk usage and perform cleanup of file systems on LINUX environments using shell scripting.
• Created Instances in Apache Web Server and JBoss Application server in QA and Production environments.
• Installed and configured Ubuntu, Centos on remote servers, and Desktop servers.
• Implemented virtual, integrated, management, and proxy IPs on teh machines to serve different purposes.
• Participated in Querying RDBMS such as Oracle, MYSQL, and SQL Server by using SQL for data integrity.
• Creation and administration of Virtual Machines using VMware.
• Performed systems monitoring, upgrades, performance tuning and backup and recovery.
• Applied patches and packages on Linux servers using rpm RedHat Package Manager and yum tools.

Environment: Oracle, MySQL, RDBMS, FTP, NFS, NIS, DNS, LDAP, GIT, Jenkins, Puppet, Ubuntu, Centos, ANT, Maven, VMware, Web Servers, Web Logic, JBoss, Windows and Linux Environment, Korn shell, bash, RAID levels.

Confidential

Linux Administrator

Responsibilities:

• Developed automated processes dat run daily to check disk usage and perform cleanup of file systems on LINUX environments using shell scripting.
• Integrated Maven with Shell scripts created in Bash to automate teh deployments for teh Java-based applications.
• Expertise in writing UNIX shell scripts for automated installations, to extract logs using C, Bash, Perl, and Python.
• Installation of Red Hat Linux based servers using Kickstart in development, test, and production environments.
• Configured and deployed patches, upgrades, bug fixes on both physical and virtual Red Hat Linux servers using satellite servers for red hat 5 and 6.
• Developed automated processes dat run daily to check disk usage and perform cleanup of file systems on LINUX environments using shell scripting.
• KVM guest creation and management on physical servers in RHEL 5/6.
• Created Power Shell script dat monitored Oracle Enterprise Manager Status and emailed results.
• Monitoring system performances using Nagios and managing network issues.
• Monitoring teh servers using tools like BMC and Nagios and providing a 24x7 on-call support rotation basis.
• Perform new builds and decommissions of both physical and VMware servers.
• Supported infrastructure environment comprising of RHEL and Solaris. Involved in development, user acceptance, and performance testing, production & disaster recovery server.
• Responsible for setting up Cron jobs scripts on production servers.
• Deployed teh Java applications into web application servers like Web logic.
• Created and modified users and groups with SUDO permission.
• Managing groups and users in Active Directory, installing and configuring send mail, and adding servers to teh domain.
• Interacted with all teh team members both offshore as well as with teh client in maintaining good customer relationships.
• Monitored CPU, memory, physical disk, hardware and software raid, multipath file systems, network using tools like Nagios monitoring.
• Provided 24x7 System Administration support for 400+ Red Hat Linux servers and resolved trouble tickets on a shift rotation basis.

Environment: s: Red Hat Linux (RHEL 4/5), UNIX, Python, Global File System, Red Hat Cluster Servers, Maven, Nagios, BMC, Oracle, MySQL, Shell scripts, Perl scripts, VMware, Apache, Tomcat, Kickstart.