Unix System Administration Freelancers

Showing 41 freelancers

Unix System Administration Freelancers

Showing 41 freelancers

  • Systems Administrator, Technical Support, and Sharepoint

    I am seeking opportunities where I can apply my skills on PC, server, network and technical support. I am here to provide solutions remotely (using various remote desktop sharing tools). I am knowledgeable in the following areas as well: HTML, CSS, Sharepoint, PHP, Joomla, Drupal, Wordpress and databases such as MS SQL, MySQL and Oracle.

    windows-administration linux-system-administration unix-system-administration network-administration sql microsoft-sharepoint-administration helpdesk-support html css wordpress 00 more less
    • $15.00 HOURLY RATE
    • 5.0
    • 2954 HOURS
    • PHILIPPINES
    • LAST ACTIVE
    • 19 PORTFOLIO ITEMS
    • 8 TESTS
    GROUPS:
  • PostgreSQL Administration, Design and Automation

    I'm offering Administrative and Design services for the projects using PostgreSQL. I have more then 10 years experience in projects including: parser, client/server, network application development (C / Bison / Flex); real-time payment card authorization (C / ISO8583 protocol); web-development (HTML … more

    I'm offering Administrative and Design services for the projects using PostgreSQL. I have more then 10 years experience in projects including: parser, client/server, network application development (C / Bison / Flex); real-time payment card authorization (C / ISO8583 protocol); web-development (HTML, CSS, PHP, Python); database administration (ORACLE / PostgreSQL); tasks automation (shell: bash / ksh). My current assignments include: DBA and Environment administrator's team management, PostgreSQL database administration in the sharded setup, distributed OLAP application design.  less

    postgresql database-administration database-modeling unix-system-administration linux-system-administration database-design database-testing oracle-database nosql unix-shell ksh-korn-shell 00 more less
    • $29.50 HOURLY RATE
    • 4.9
    • 1519 HOURS
    • LATVIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • Linux programmer

    Linux programmer with over then 10 years old experience. Skills: Linux (Debian) administration Web development: PHP OOP, MySQL, HTML5/DHTML, JavaScript Data mining: Java webdriver, PHP Curl regex System administration: Bash and Perl scripting AWS EC2: build new LAMP AMI , AWS PHP SDK, PVGRUB AMI, EBS, snapshot management. Android: Java, PhoneGap

    linux-system-administration php mysql java javascript perl amazon-ec2 selenium-webdriver git unix-system-administration lamp-administration 00 more less
    • $22.22 HOURLY RATE
    • 5.0
    • 1508 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 8 TESTS
  • Expert in GNU/Linux/Opensource/Embedded software

    Looking for challenging new projects which can effectively use my talents and creativity, to generate cost effective software solutions. I'm a world class C programmer (primarily on Unix/Linux) and I'm used to making "impossible" tasks "possible". I … more

    Looking for challenging new projects which can effectively use my talents and creativity, to generate cost effective software solutions. I'm a world class C programmer (primarily on Unix/Linux) and I'm used to making "impossible" tasks "possible". I have a great deal of expertise in: * real time embedded systems * cross compilation/software construction * source control * network programming * system administration * kernel level programming/device drivers * image processing * performance and metrics  less

    c unix-system-administration embedded-linux linux-system-administration tcp-ip driver-development assembly-language agile-software-development object-oriented-design image-processing version-control freebsd dhcp git subversion reverse-engineering make-build-script 00 more less
    • $83.33 HOURLY RATE
    • 4.8
    • 3023 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 4 TESTS
  • 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
    • 4.9
    • 4661 HOURS
    • MEXICO
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 4 TESTS
  • AWS Certified Solutions Architect, Senior Linux / Cloud Expert, DevOps

    I am APN Consulting Partner: https://aws.amazon.com/partners/overview/consulting-partner/ and AWS Certified Solutions Architect: http://aws.amazon.com/certification/ with 7 years on odesk! I demonstrate knowledge, skills and proficiency with AWS services and can help customers … more

    I am APN Consulting Partner: https://aws.amazon.com/partners/overview/consulting-partner/ and AWS Certified Solutions Architect: http://aws.amazon.com/certification/ with 7 years on odesk! I demonstrate knowledge, skills and proficiency with AWS services and can help customers of all sizes design, architect, migrate, or build new applications on AWS. I have gain access to a range of resources that will enable me to better help my customers deploy, run, and manage applications in the AWS cloud. I have also experience with other cloud solutions like Gogrid, Rackspace, Rightscale, Scalr, Linode, Digital Ocean. I am Linux administrator of the RedHat/Centos, Ubuntu/Debian distributions with preparing the Scalable and Highly Available Products using automation by Puppet/Chef/Capistrano/Elastic Beanstalk/Opsworks/Cloudformation software.  less

    amazon-web-services amazon-ec2 amazon-s3 amazon-rds puppet-administration unix-system-administration perl linux-system-administration unix-shell clustering apache-administration lamp-administration python mysql mail-server-implementation virtualization nagios scalr rightscale zabbix bash postgresql apache-tomcat openvpn squid subversion capistrano postfix centos ubuntu apache-solr mongodb rackspace-cloudservers varnish-cache jenkins redis 00 more less
    • $38.89 HOURLY RATE
    • 4.9
    • 5078 HOURS
    • CZECH REPUBLIC
    • LAST ACTIVE
    • 8 PORTFOLIO ITEMS
    • 7 TESTS
    GROUPS:
  • Open source application consulting

    _Over the last 10 years, I have been working with clients across the globe as a consultant . I have vast exposure to C/C++ , Java/J2EE, Perl, UNIX, ORACLE, MySQL, PostegreSQL and PHP. I am serve businesses in Telcom domain … more

    _Over the last 10 years, I have been working with clients across the globe as a consultant . I have vast exposure to C/C++ , Java/J2EE, Perl, UNIX, ORACLE, MySQL, PostegreSQL and PHP. I am serve businesses in Telcom domain build solution in less time and withing budget. Thanks to open source products out there. We provide developement and support services for open source products like jBillng, OpenRate, SugarCRM, vTiger etc . The services include customization, integrations, testing, deployment and support functions. I have a good team of people with deep knowledge and experience in the above stated technologies/products. Please visit [www.saralam.com][1]for more info. _ [1]: http://www.saralam.com  less

    c c++ unix-system-administration java sql php perl 00 more less
    • $16.67 HOURLY RATE
    • 4.4
    • 1013 HOURS
    • INDIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 1 TEST
    ASSOCIATED WITH:
  • Senior RoR developer|Ruby on rails|rspec|cucumber|

    Do you have a great idea? Do you need help or someone to consult with for your web site and mobile apps? You can always invite me and discuss your problem. I will be there for you I also have … more

    Do you have a great idea? Do you need help or someone to consult with for your web site and mobile apps? You can always invite me and discuss your problem. I will be there for you I also have EXCELLENT experience in the following areas: MySQL, Java Script, Ajax, OOP, and software design and testing, rspec and cucumber. Gem Working Experience: Gems: ● Devise(Authentication) ● Can Can(Roles authorizatin) ● Paperclip(image upload) ● carrier wave(image upload) ● Refinery CMS(Content management) ● Spree(Stores) ● Redmine(Management tool) ● Active admin(Admin View) ● Stripe(Payments) ● Rails admin(Admin view) ● Google Api V3(google maps) ● Whenever(Cron jobs) ● Elastic Search(Searching) ● Rails best practicies ● Capistrano(App deployment) ● Fog(Cloud Api for saving images on amazon) ● Obviously many many more My Expertise : Ruby on Rails ( 5+ Years) Availability : 40 hours/ week Communication Via : oDesk/Gtalk/Skype/Mail or Call. Reporting : on daily basis. My github id : arvinddagar Please feel free to ask for any further query, I will be happy to work with your project and make it successful. Looking forward for your soon and positive reply Thanks and Regards Arvind  less

    ruby-on-rails jquery html html5 mysql mongodb heroku css css3 ajax sass haml javascript twitter-api twitter-bootstrap asp.net-mvc xml git github shopify amazon-ec2 amazon-s3 ubuntu linux-system-administration unix-system-administration apache-administration spree google-maps-api google-apps-api google-apps google-docs-api seo web-design web-content-management website-development capistrano backbone-js postgresql ruby svn oauth test-driven-development agile-software-development paypal-integration facebook-api apache-click xhtml joomla 00 more less
    • $25.00 HOURLY RATE
    • 4.9
    • 1667 HOURS
    • INDIA
    • LAST ACTIVE
    • 18 PORTFOLIO ITEMS
    • 8 TESTS
  • Python/PHP/NodeJS/JavaScript developer and server administrator

    Experienced in PHP / Zend Framework / Kohana / Yii / CodeIgniter / Ruby / Rails / MySQL / PostgreSQL / Redis / MongoDB / SQLite / node.js / express.js / socket.io / Python / Django / CoffeeScript / Backbone.js / Angular.js / Require.js / Bootstrap / HTML5 / CSS3 / LESS / Javascript / JQuery / TDD / BDD / Git / Mercurial … more

    Experienced in PHP / Zend Framework / Kohana / Yii / CodeIgniter / Ruby / Rails / MySQL / PostgreSQL / Redis / MongoDB / SQLite / node.js / express.js / socket.io / Python / Django / CoffeeScript / Backbone.js / Angular.js / Require.js / Bootstrap / HTML5 / CSS3 / LESS / Javascript / JQuery / TDD / BDD / Git / Mercurial / SVN GitHub: https://github.com/C1nde https://github.com/intspirit BitBucket: https://bitbucket.org/C1nde https://bitbucket.org/intspirit  less

    linux-system-administration lamp-administration windows-administration bash apache-administration iis python ruby node.js unix-shell unix-system-administration javascript backbone-js html css nginx amazon-ec2 google-app-engine windows-azure php zend-framework atlassian-jira jenkins clojure ruby-on-rails sinatra-framwork 00 more less
    • $35.00 HOURLY RATE
    • 4.8
    • 1840 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 11 TESTS
    ASSOCIATED WITH:
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