CentOS Freelancers

Showing 323 freelancers

CentOS Freelancers

Showing 323 freelancers

Browse Centos job posts for project examples or post your job on oDesk for free!

Centos Job Cost Overview

Typical total cost of oDesk Centos projects based on completed and fixed-price jobs.

oDesk Centos Jobs Completed Quarterly

On average, 138 Centos projects are completed every quarter on oDesk.

138

Time to Complete oDesk Centos Jobs

Time needed to complete a Centos project on oDesk.

Average Centos Freelancer Feedback Score

Centos oDesk freelancers typically receive a client rating of 4.84.

4.84

Last updated: March 1, 2015

  • 16yr exp - Linux Systems Architect / ISP / IT Consultant -

    * gathering customer's requirements (type of applications deployed) * specifying hardware * deploying (software and hardware installation, including in data centers) * technical writing on cloud-computing topics, security, High-availability, clusters and others * monitoring / profiling * management * architecture audits * virtual infrastructures based on KVM / OpenVZ … more

    * gathering customer's requirements (type of applications deployed) * specifying hardware * deploying (software and hardware installation, including in data centers) * technical writing on cloud-computing topics, security, High-availability, clusters and others * monitoring / profiling * management * architecture audits * virtual infrastructures based on KVM / OpenVZ / VMware / XEN / Sun Ray + Virtualbox * Fully-virtualized and HA architectures deployment (Proxmox, ESX, OpenStack) and network virtualization (Neutron); * network solutions based on Brocade / Cisco / HP / Mikrotik products * full internet provider development * providing adequate documentation in each stage (doc/pdf/Visio) of Linux/UNIX based systems, also managing small IT teams, looking for new challenging projects. * BIND, djbdns, mydns, ndns based DNS architectures; * Qmail / Exim / Postfix-based mail systems; * Websystems to include Apache / MySQL / PostgreSQL / PHP / Perl configurations; * Rails solutions; * Complete webhosting managment - Cpanel/WHCMS /Plesk etc.; * Backup solutions (EMC Retrospect, Open source solutions - Bacula, Amanda, ZRM etc.); * Cloud computing IAAS and PAAS(Amazon EC2, OpenStack) and related ecosystems (Ceph); * HA solutions : Pacemaker, Corosync, GlusterFS, MooseFS, DRBD, Ceph * Load testing (jMeter, Tsung, iozone, vdbench, ab, siege); * MySQL - single servers, Master/Slave configurations or Master/Master; * Tomcat/Resin based Java application servers; * Monitoring deployment and administration (Zabbix, Nagios); * Nagios / MRTG / Cacti monitoring and data acquisition; * Design/development and modification of PHP/Ruby/Perl-based web systems; * MVC framework development on Rais / CakePHP / Codeigniter; * Zibra, Zarafa, iRedMail, phplist, google apps, Also extensive experience in deployment and management of server configurations in data centers.  less

    linux-system-administration centos puppet-administration python ruby ruby-on-rails php cakephp openvpn freebsd 00 more less
    • $44.44 HOURLY RATE
    • 5.0
    • 5943 HOURS
    • BULGARIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 1 TEST
  • Linux administrator with website migration and development experience

    Security analyst; Malware removal; Server securing; Server administration; Website migration; Server optimization; Website optimization. God of email. God of migration :)) 100% positive feedbacks, prooved experience and portfolio. I'm specialist of: System Administration, Linux (CentOS, Ubuntu, Debian), Security Setup, Domain … more

    Security analyst; Malware removal; Server securing; Server administration; Website migration; Server optimization; Website optimization. God of email. God of migration :)) 100% positive feedbacks, prooved experience and portfolio. I'm specialist of: System Administration, Linux (CentOS, Ubuntu, Debian), Security Setup, Domain Migration, Domain Fixing, Server/Website speed Optimization, MySQL, Website Development and other. My experience installing and configuring servers is about 15 years. I have several working projects developed by me and written by me. They are located on a server that is configured by me. In addition, I have experience of writing various scripts, experience network security, installation and optimization of MySQL, etc. I hope I will be the best choice to start your project from scratch, even if he plans to be heavily loaded. My primary skills: 1) Migration skills: complete domain migration from legacy to new platform, including web content, email, database, DNS. 2) SEO skills: search optimization, including server setup and source-code optimization. 3) Website creator skills: using CMS or just plain editor, experience with heavyload projects. 4) Linux system administration skills: server setup, web-servers administration(apache, lighttpd), database optimization for heavy-loaded projects. Experience with cluster system, and rpm\deb based Linuxes. 5) Security analysis skills: searching of malware, checking vulnerabilities, website security, detecting outside intrusion or leaks etc. 6) Backup and recovery skills: backup and restore webcontent, email, using my own software or generic applications. I'm seeking for following projects: 1) System administration 2) Domain migration 3) Website developpment 4) Search Engine Optimization 5) Security administration 6) Server setup  less

    linux-system-administration bash-shell-scripting domain-migration mysql php centos lamp-administration dns wordpress cpanel 00 more less
    • $15.00 HOURLY RATE
    • 4.9
    • 10 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 5 TESTS
    ASSOCIATED WITH:
  • Mobile Application with 2D Games

    I am passionate about to developing a Mobile application development specially 2D games and hybrid technology. I have more then 6 years of experience in UI/ UX interface and mobile apps. I am always on top of the current design trends and keep myself updated about latest mobile and tablets design patterns.

    plesk whm cpanel centos opensuse iis apache-administration 00 more less
    • $16.00 HOURLY RATE
    • 4.7
    • 388 HOURS
    • INDIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 4 TESTS
    ASSOCIATED WITH:
  • Network/System Engineer

    More than 12 years experience with Linux Red Hat/CentOS and Debian/Ubuntu. I've done many big migrations from 1 website with a couple of MB's till thousands of websites with 80GB+. I prefer working directly on servers … more

    More than 12 years experience with Linux Red Hat/CentOS and Debian/Ubuntu. I've done many big migrations from 1 website with a couple of MB's till thousands of websites with 80GB+. I prefer working directly on servers (via ssh access), but am also familiar with Plesk and cPanel/WHM. As a certified Linux Professional (lpi.org) I like working with bash as scripting language. I am also a network professional (CCNP security (Cisco)) and certified MySQL dba. I only do jobs which I can solve!  less

    postfix centos ssl ftp ssh tcp-ip apache-administration mysql bash ffmpeg nagios pci-compliance plesk ubuntu phpmyadmin dns 00 more less
    • $33.33 HOURLY RATE
    • 5.0
    • 34 HOURS
    • NETHERLANDS
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 5 TESTS
  • Network, Linux and Security Admin

    Experienced Linux admin in Philadelphia and available to travel to NYC. Security specialist: post-intrusion, malware recovery and PCI compliance. Scripting and web server administration background, SSL certificates. Current certifications: CCNA, Network+, Security+ and Linux+, LPIC1, Novell CLA

    ssl linux-system-administration security pci-compliance vulnerability-assessment debian-os centos virus-removal mysql php 00 more less
    • $55.00 HOURLY RATE
    • 4.8
    • 134 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 5 TESTS
  • Senior Linux Administrator

    * Fully manage the installation, configuration and troubleshooting of Linux servers * Install and configure Web Servers and MySQL * Install and configure customer scripts and programs * Monitor performance to identify and resolve issues using a suite of systems and tools. * Troubleshoot and … more

    * Fully manage the installation, configuration and troubleshooting of Linux servers * Install and configure Web Servers and MySQL * Install and configure customer scripts and programs * Monitor performance to identify and resolve issues using a suite of systems and tools. * Troubleshoot and resolve network, system, hardware and software problems. * Achieve quick fixes and / or long-term solutions as needed. * Maintain 100% customer satisfaction through all available means.  less

    apache-administration nginx varnish-cache centos iptables linux-system-administration vmware-administration nagios vmware-esx mysql linux-slackware memcached windows-administration network-administration postgresql postfix ftp apache-solr domain-migration ssh spamassassin clamav vim openvz atlassian-confluence atlassian-jira glassfish virtualization freebsd cpanel unix-shell bash amazon-web-services amazon-ec2 amazon-s3 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 118 HOURS
    • ROMANIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 4 TESTS
  • Expert Network/Unix Administrator

    Over 3 years experience Certified CCNP network specialist with experience of working at ISP in Russia with about 150k+ customers. • Certifications: CCNP R&S, CCNP SP, CCNA. • Skills OSPF,EIGRP,BGP,IS-IS,STP,VTP,HSRP,VRRP,Network Design,DMVPN,LAN … more

    Over 3 years experience Certified CCNP network specialist with experience of working at ISP in Russia with about 150k+ customers. • Certifications: CCNP R&S, CCNP SP, CCNA. • Skills OSPF,EIGRP,BGP,IS-IS,STP,VTP,HSRP,VRRP,Network Design,DMVPN,LAN,WAN,VPN,QoS,DNS,DHCP,IPv4,IPv6,MPLS,VPLS I am looking for a job to apply my experience and knowledge.  less

    apache-administration centos cisco-ios cisco-routers dhcp dns iptables mysql nginx php virtualization virus-removal windows-administration openvz 00 more less
    • $22.22 HOURLY RATE
    • 5.0
    • 37 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 10 TESTS
  • Bulk Email Server | PowerMTA & IEM | SMTP SETUP| Linux Administration

    Over the last two years, I am experienced Systems Engineer with deep knowledge in Web Administration, Mail Servers Handling, High Availability, Database Administration and Optimization. Server performance optimization and security implementation. I am specialized in Mail Servers : Handling PMTA, Interspire … more

    Over the last two years, I am experienced Systems Engineer with deep knowledge in Web Administration, Mail Servers Handling, High Availability, Database Administration and Optimization. Server performance optimization and security implementation. I am specialized in Mail Servers : Handling PMTA, Interspire, Blacklisting, Feedback Loops, Increase opens, etc.... I have been designing infra our company, I am responsible for Email Delivery, and other factors like SPF, DKIM, DMARC, FBL, getting Open rates, SPAM Issues, Bounce Processing required for perfect email solution. List Management, Auto-responder, Email Deliver-ability expertise, mail server Back End Software. PowerMTA Administrator | Email Deliverability Expert ----------------------------------------------------------------------------- - Requirements analysis - IPs monitoring - DNS/Reverse records settings - SPF - DKIM - FBL - PowerMTA Configuration - Daily Performance reports - Daily Bounce processing - Advance Configuration and optimization. and so on.. Currently handling servers that sends 5+ millions emails per day.  less

    centos linux-system-administration sendmail email-technical-support interspire email-deliverability-consulting mail-server-implementation email-handling mysql database-administration 00 more less
    • $10.00 HOURLY RATE
    • 5.0
    • 16 HOURS
    • INDIA
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 4 TESTS
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