Ubuntu Freelancers

Showing 67 freelancers

Ubuntu Freelancers

Showing 67 freelancers

  • Network Engineer

    WORKING EXPEIENCE: (Since October 2007 to Present) ● Worked as the Team Leader for the Business IT Helpdesk at Inbay Ltd. (6 Team Members, 47 Cooperate Clients in the UK – Windows, MAC and Linux based networks) ● Worked as the Team Leader … more

    WORKING EXPEIENCE: (Since October 2007 to Present) ● Worked as the Team Leader for the Business IT Helpdesk at Inbay Ltd. (6 Team Members, 47 Cooperate Clients in the UK – Windows, MAC and Linux based networks) ● Worked as the Team Leader for the SMB/SME Division at Eureka Technology Partners (4 Team Members, 8 Cooperate Clients - Windows based networks). ● Worked as a Systems Administrator at Eureka Technology Partners. Was involved in providing support for several Domain Environments in the US and UK. Managing all servers (DC, Exchange Servers, Terminal Servers, SQL Servers, etc.) including Backup Exec as the main backup solution. ● Worked as an IT Support Executive at Eureka Technology Partners. Provided support for US and UK clients, troubleshooting software and hardware related issues. This included all aspects of Desktop issues including troubleshooting and configuring Routers and Printers (Wired/Wireless). ● Worked as a Customer Service Executive at INNODATA-Isogen. Obtained overseas project related training in the Netherlands conducted by the Publishing Giant in Europe SWETS. Hands on Experience • Windows Server 2003 – 2008 R2 (Testing implementations with Server 2012) o Successfully lead 2 migrations from Server 2003 to Server 2008 R2 • Exchange 2003 – 2010 SP1 (Testing implementations with Exchange 2013) o 2 Successful Exchange 2003 – 2010 migrations and one disaster recovery (Restoring a dead exchange server from ground level with no loss of data) • Deploying, Configuring, Managing Hyper-V (as a Hyper Visor Solution) • Deploying, Configuring, Managing and Upgrading ESXi (as a Hyper Visor Solution) • Deploying and Configuring LAMP, Samba, FTP, Torrentflux with Ubuntu Server (Production Use) • Deploying and Configuring pfsense as a Router/Firewall appliance with Multi-WAN load balancing and failover, Clustering for H/A, Web Proxy (SQUID), ntop (network monitoring) • Working experience with CISCO routers and switches (Not involved in complex configurations) • Coded and implemented MIS systems (based on PHP, MySQL, Javascript, JQery, CSS, Google APIs, PRTG APIs, etc) for two of the companies I worked for, as an act of good faith.  less

    network-administration network-planning pfsense microsoft-exchange-server ubuntu google-apps 00 more less
    • $10.00 HOURLY RATE
    • 5.0
    • 1521 HOURS
    • SRI LANKA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • I.T. professional - TechSupport / SysAdmin

    Windows server 2003/2008/2008R2/2012, Windows XP/Vista/7/8, Microsoft Exchange 2003/2007/2010/2013, Outlook 2003/2007/2010. ISA 2006/Forefront TMG. Network traffic analysis using Wireshark. Virtualization environments: Hyper-V, Vmware Workstation and vSphere Basic Linux administration … more

    Windows server 2003/2008/2008R2/2012, Windows XP/Vista/7/8, Microsoft Exchange 2003/2007/2010/2013, Outlook 2003/2007/2010. ISA 2006/Forefront TMG. Network traffic analysis using Wireshark. Virtualization environments: Hyper-V, Vmware Workstation and vSphere Basic Linux administration (CentOS, OpenSuse, Ubuntu). MCDST (Microsoft Certified Desktop Support Technician, Windows XP), MCSA (System Administrator + Messaging, Windows Server 2003), MCTS (Technology Specialist, Windows Vista, Exchange 2007 and 2010, Office 365 for Small Businesses), MCITP (Technology Professional, Windows Server 2008), Linux+ certified. Wireshark Certified Network Analyst, VMware VCA (VMware Certified Associate) Other products I’ve been exposed to: Symantec Backup Exec, Symantec Enterprise Vault, Microsoft OCS 2007 / Lync, Blackberry Enterprise Server, Microsoft SCCM 2007, Microsoft SQL server 2005/2008/2012 Excellent interpersonal skills, problem-solving attitude, accuracy, teamwork and organizational skills, self-management . Experience working in different countries (UK, Ireland, Italy) IT skills (6+ years experience) University degree in Philosophy (4 years, Faculty of literature and philosophy - University of Pisa, Italy) International English Language Test System (Academic) TOEFL: 107/120  less

    microsoft-exchange-server isa-server microsoft-outlook-development vmware-esx vmware-administration ubuntu microsoft-sql-server-administration microsoft-hyper-v 00 more less
    • $22.22 HOURLY RATE
    • 5.0
    • 2723 HOURS
    • PERU
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 10 TESTS
    GROUPS:
  • Linux Administrator

    My specialty is providing IT support for web-based technology. I focus on linux server management for webservers (both WHM/cPanel managed and direct command line managed), Salesforce.com administration and technical support for websites based on Joomla and Wordpress content … more

    My specialty is providing IT support for web-based technology. I focus on linux server management for webservers (both WHM/cPanel managed and direct command line managed), Salesforce.com administration and technical support for websites based on Joomla and Wordpress content management systems. I offer discounted hourly rates for non-profits. Please contact me with a copy of your IRS determination letter for details.  less

    linux-system-administration redhat-administration centos ubuntu joomla wordpress css voip-administration cpanel whm 00 more less
    • $39.00 HOURLY RATE
    • 4.9
    • 1136 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 10 TESTS
    ASSOCIATED WITH:
  • pm, team lead, system administrator, support engineer and DBA

    Over the last 4 years I've worked for implement and support projects in cloud infrastructure (AWS, CloudStack, Google compute) using automation by chef and puppet. The key architecture was: load balancer - application (tomcat) - database (MySQL master-slave, Redis master-slave, MongoDB … more

    Over the last 4 years I've worked for implement and support projects in cloud infrastructure (AWS, CloudStack, Google compute) using automation by chef and puppet. The key architecture was: load balancer - application (tomcat) - database (MySQL master-slave, Redis master-slave, MongoDB, Cassandra). During 13 years before I've supported J2EE web application and databases Oracle Standard and Enterprise editions, versions 8,9i, 10gR2. Special skills: * over 4 years with Chef and Puppet * over 1 year with CDN technologie * over 4 years with Amazon web services (AWS, EC2, S3, DB, RDS) * over the last 6 year, I've supported web application cluster, based on Apache, Tomcat, J2EE and Oracle. I have experience in the administration of OSes: * 13 years OS Linux Debian 4,5; Linux SuSE 10 Ent (all standard and network services) * 6 years OS Solaris 2.8, 2.9 (ssh, httpd,nfs) * 8 years OS Windows XP, Windows NT, Windows 2000 (all standard and network services)  less

    amazon-web-services rightscale linux-system-administration ubuntu oracle-database oracle-pl/sql puppet-administration amazon-rds amazon-s3 00 more less
    • $18.89 HOURLY RATE
    • 4.9
    • 1082 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 8 TESTS
    ASSOCIATED WITH:
  • Sr Linux / Amazon EC2 / Migrations / Nginx / Security / DevOps

    A self-motivated System and Network security administrator with more than 10 years in the management and analysis of Linux/Unix enterprise Servers (60- 70 servers). With deep and advance knowledge of highly scalable servers, Cloud Computing, High performance, Hardening Servers … more

    A self-motivated System and Network security administrator with more than 10 years in the management and analysis of Linux/Unix enterprise Servers (60- 70 servers). With deep and advance knowledge of highly scalable servers, Cloud Computing, High performance, Hardening Servers, Migrations, Ethical hacking, Development Operations - DevOps, Open Source services and Server optimization. Certifications such as: Certified Ethical Hacker - Red Hat Certified Engineer - Cisco CCNA. Expertise in: MIGRATIONS: AMAZON/Wordpress/Magento/LAMP/Cpanel migration plans and implementation, backup-restore and recovery plans. I have helped dozens of clients migrate their web sites and applications into the CLOUD. Design and build Web Servers with HIGH PERFORMANCE (LAMP, NGINX/python, Nginx/Varnish, Nginx/php-fpm, Jboss, Apache tomcat and Varnish) - Improve and Fix performance issues, service optimization, security issues and deployments. MALWARE removal and analysis: WordPress / Magento / Joomla Malware removal and remediation, Incident handling and Forensics analysis. BOOST and optimize websites with: NGINX, Varnish, REDIS, Amazon S3, Memcached, APC, apache tunning and mysql tunning, Amazon CloudFront and more. Amazon Cloud Computing (AWS) - AMAZON EC2, amazon CDN S3, amazon RDS, amazon ELB, Amazon AutoScaling, VPC, CloudFront, Route53, etc. Also Management of multiple Control panels like Rackspace Cloud Computing, SoftLayer, GoDaddy, HostGator, dreamhost and MediaTemple. Designing and deploying scalable & Highly available systems such as: Amazon Load Balancing (ELB), Hearbeat, HAProxy, mysql cluster, apache cluster... Network and web security such as: Vulnerability Assessments, Hardening servers, security audits, Penetration testing, Virus/Malware/Threats/Vulnerabilities countermeasures, web security, fail2ban, Tripwire-AIDE-OSSEC, mod_security, mod_evasive, Denial of Services (DDOS) countermeasures, Firewalls (iptables, CSF and apf), etc. VPS: Cpanel / WHM / Plesk / DirectAdmin / Webadmin - Migrations, management, hardening, configuration, maintenance and high level of Administration. Databases Administration such as: Mysql tweaking and tunning, MongoDB, load balancing and Mysql replication (Master & Slave) for High traffic. Database: Mysql tweaking and tunning, MongoDB, ElasticSearch, Apache Solr, Sphinx, lucene, MariaDB, Postgresql replication & Pgpool, Mysql load balancing and Mysql replication (Master & Slave) for High traffic. Continuous integration (CI) and Automated configurations with: Puppet, Capistrano, GIT and Fabric. Jenkins + github, Jenkins + nginx... Networking: TCP/IP high expertise, NAT, FIREWALLS, CISCO routing and switching and Packet analysis with tcpdump and wireshark. Storage solutions and Directory management: SAMBA, NFS, FTP and sftp. LVM and RAID*. SCRIPTING: Bash and python. Proficient with MAIL Servers: postfix, sendmail and Zimbra. Source control versioning: GIT and SVN. Deploying and maintaining Monitoring systems such as: nagios, ZAbbix, cacti and Jboss Operation Network (JON). Backups solutions: amanda, rsync, Amazon backups and rsnapshot. Research & development (R & D) for any open source service and technology.  less

    network-security amazon-ec2 nginx linux-system-administration penetration-testing apache-administration jboss ubuntu virtualization samba security bash mysql amazon-rds amazon-web-services nagios rackspace-cloudservers clustering iptables centos git apache-tomcat unix-system-administration varnish-cache django-framework 00 more less
    • $24.99 HOURLY RATE
    • 4.8
    • 5277 HOURS
    • MEXICO
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 4 TESTS
  • Experienced PHP5/Python/Java Coder & Screen Scraping Expert

    I have been in web development business since 2004 using PHP, JavaScript, and MySQL. I know my ways around famous libraries and frameworks such as Yii, Zend Framework, ADOdb, Smarty, jQuery. I am familiar with Linux environment and it's … more

    I have been in web development business since 2004 using PHP, JavaScript, and MySQL. I know my ways around famous libraries and frameworks such as Yii, Zend Framework, ADOdb, Smarty, jQuery. I am familiar with Linux environment and it's server application such as Apache+PHP+MySQL stack, Memcached, Nginx, OpenVPN, and Samba. For the past few years i have also developed screen scraping scripts (both PHP and Python) for data mining solutions, either it's for business listing sites, blog farming, Twitter bot, price compare sites, and much more.  less

    php mysql linux-system-administration javascript yii-framework zend-framework data-scraping seo jquery wordpress c# python ubuntu 00 more less
    • $16.67 HOURLY RATE
    • 4.8
    • 6372 HOURS
    • SINGAPORE
    • LAST ACTIVE
    • 7 PORTFOLIO ITEMS
    • 7 TESTS
    ASSOCIATED WITH:
  • Linux Administrator/cpanel/WHM/Firewall/security/Centos/Ubuntu/WP

    I possess 5+ years of experience in Linux server administration including installing & upgrading Apache,php,mysql and various types of open-source software also compiling and upgrading & installing kernels patches. Also I've good knowledge in installing & configuring virtual server management … more

    I possess 5+ years of experience in Linux server administration including installing & upgrading Apache,php,mysql and various types of open-source software also compiling and upgrading & installing kernels patches. Also I've good knowledge in installing & configuring virtual server management software (Ganeti , proxmox, openvz). Got my BSC in computer engineering and communications with project grade 'Excellent' in image processing and am currently studying for masters in network security. If I can provide you with any further information on my background and qualifications, please let me know. Please note that : I do not accept any jobs related to wine or gambling or adult.  less

    cpanel whm linux-system-administration centos ubuntu mysql virtualization openvz windows-administration virus-removal python 00 more less
    • $16.67 HOURLY RATE
    • 4.9
    • 1466 HOURS
    • EGYPT
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 7 TESTS
    ASSOCIATED WITH:
  • Ruby, Rails, TDD, jQuery MySQL, PostgreSQL, Redis, CSS3 HTML5

    Ruby On Rails - Freelancer I am a full stack Ruby developer focused on Ruby, JS, Rails and Sinatra. You want to build an awesome application with high quality standard? you came to the right person.I have experiences with web … more

    Ruby On Rails - Freelancer I am a full stack Ruby developer focused on Ruby, JS, Rails and Sinatra. You want to build an awesome application with high quality standard? you came to the right person.I have experiences with web application development from scratch to production with linux & OSX skills. Database experiences: MySQL, PostgreSQL, Mongodb; Test frameworks: FactoryGirl, Rspec, TestUnit, Capybara. Infrastructure experiences: Heroku, Amazon Web Service (EC2), Rackspace, Engineyard; Payment process experiences: Stripe, Paypal; FrontEnd: jQuery, PrototypeJs, Bootstrap, CSS3, HTML5, Sass, LESS, CoffeeScript; Love: Basecamp, GIT, Lighthouseapp, Semaphoreapp, Hipchat and hubots, engineyard, codeclimate, newrelic. Thank you for visiting my profile.  less

    ruby ruby-on-rails rspec jquery test-driven-development git html sass prototypejs capistrano haml nginx apache-solr ubuntu basecamp 00 more less
    • $33.33 HOURLY RATE
    • 4.9
    • 1288 HOURS
    • UNITED KINGDOM
    • LAST ACTIVE
    • 14 PORTFOLIO ITEMS
    • 9 TESTS
    GROUPS:
  • Database Systems Expert

    Over the last 10 years,I have been engaged on various development and administration tasks on SQL Server, Oracle, Mysql and Networks.My core competency lies in Performance optimization, designing efficient database structures,including tables,indexes, views,functions,stored procedures … more

    Over the last 10 years,I have been engaged on various development and administration tasks on SQL Server, Oracle, Mysql and Networks.My core competency lies in Performance optimization, designing efficient database structures,including tables,indexes, views,functions,stored procedures,CLR functions using T-SQL and performance tuning/optimization of MySql and SQL Server 2000/2005/2008/2008R2/2012. Expert in DBA tasks, backup,replication,replication over IIS using HTTPS protocols,partitioning, mirroring, security management,SSRS reports development,SSIS and SSAS management also skilled in deploying and managing Virtual and Cloud Computing infrastructure. I look forward to provide consultancy services and work on sophisticated and large scale database projects involving performance and tuning, support, design & development, administration and Business Intelligence for 24/7 mission critical database servers. I must say that i am a performance and optimization geek and i have proved that in my carrier. Good customer service is key for me, and no project is completed until you are satisfied.  less

    database-administration windows-administration database-management database-programming database-design database-testing database-modeling sql t-sql data-warehousing business-intelligence microsoft-business-intelligence-studio etl ssis requirements-analysis stored-procedure-development data-mining oracle-database mysql oracle-plsql microsoft-sql-server-notification-services microsoft-sql-ssas microsoft-sql-ssrs data-analysis requirement-management amazon-ec2 amazon-s3 amazon-rds oracle-pl/sql sql-azure linux-system-administration windows-azure security ubuntu microsoft-sql-server-administration microsoft-sql-server-development 00 more less
    • $30.00 HOURLY RATE
    • 4.7
    • 3988 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 11 PORTFOLIO ITEMS
    • 3 TESTS
    GROUPS:
  • MCITP (System Administration), MCT, MCSA, MCSD: Web Applications

    Experienced System Specialist, MCSA/MCITP/MCSD. In-depth knowledge of business operations and Information Tecnology Systems, project management, enterprise system integrations and information security with over eight years with hands on experience as an Enterprise Administrator and Network Manager in Windows … more

    Experienced System Specialist, MCSA/MCITP/MCSD. In-depth knowledge of business operations and Information Tecnology Systems, project management, enterprise system integrations and information security with over eight years with hands on experience as an Enterprise Administrator and Network Manager in Windows Server 2003 & Windows Server 2008 environments. Experience in hardware and software virtualization using VMware and Hyper-V and App-V. Practiced understanding Active Directory, Group Policies, NPS, NAP, Exchange, SQL Server, Dynamics CRM, ERP, PKI and DFS. Experience as a corporate Microsoft/Certification trainer at one of gold certified partners of Microsoft. Proficent in Server 2012 and 2008 (inc.Server Core edition), Hyper-V, switches and many other technologies. I have been highly involved in server virtualization for seven years and am proficient in both VMware and Microsoft Hyper-V. I am also providing consulting services for web applications. I am a member of DotNetNuke Corp Internationalization Team and I'm working to expand product features to fully support Turkish localization. I am always looking for new opportunities to develop my skills. Check my Microsoft Profile below: https://www.mcpvirtualbusinesscard.com/VBCServer/idumlupinar/profile  less

    dotnetnuke windows-administration database-administration crm e-learning sql microsoft-excel isa-server microsoft-hyper-v-server network-administration microsoft-exchange-server dns technical-documentation document-review translation microsoft-dynamics business-intelligence api-documentation plesk ftp mysql php asp.net linux-system-administration ubuntu aspdotnetstorefront html html5 windows-7-administration windows-8-administration windows-xp-administration helpdesk-support translation-english-turkish 00 more less
    • $48.89 HOURLY RATE
    • 5.0
    • 2202 HOURS
    • TURKEY
    • LAST ACTIVE
    • 13 PORTFOLIO ITEMS
    • 14 TESTS
    GROUPS:
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