CentOS Freelancers

Browse CentOS job posts for project examples or post your job on Upwork for free!

CentOS Job Cost Overview

Typical total cost of Upwork CentOS projects based on completed and fixed-price jobs.

Upwork CentOS Jobs Completed Quarterly

On average, 148 CentOS projects are completed every quarter on Upwork.

148

Time to Complete Upwork CentOS Jobs

Time needed to complete a CentOS project on Upwork.

Average CentOS Freelancer Feedback Score

CentOS Upwork freelancers typically receive a client rating of 4.85.

4.85
Last updated: May 1, 2015
More options
Clear all filters
  1. Oscar Bass

    Oscar Bass Agency Contractor

    Senior UNIX System Engineer, LAMP, LEMP, Network Security, Cloud.

    United States - Last active: 4 days ago - Tests: 7 - Portfolio: 1

    Expert UNIX system administrator and network engineer. Got a problem? I can solve it! For more than 15 years I have been the I.T. backbone and support for many online companies. I use the most up to date standards for any project I am involved in. I work extremely quick and efficiently. If you have a problem let me help you solve it. OS: Linux - Expert, FreeBSD - Expert, AIX - Expert, HP-UX - Expert, Macintosh OS/X - Expert, Windows Server - Proficient Cloud services: AWS, Rackspace, OpSource, Linode Web servers: Apache, Nginx, Tomcat Database servers: Mysql, Postgresql Monitoring: Nagios, Monit, Munin, Cacti Scripting: bash, perl, shell Virtualization: OpenVZ, Xen, SolusVM Mail servers: Postfix, Exim, Sendmail, Dovecot Control panels: cPanel, Plesk, Direct Admin, Webmin/Virtualmin, ISPconfig, OpenPanel Other: standard network services (DNS, DHCP, LDAP, Samba, SVN/Git, http proxy, jabber, backups, monitoring etc), firewalls (iptables, ipfw, pf)

    Associated with: Bass Designs Agency

    $44.44 /hr
    236 hours
    4.96
  2. Risharde R.

    Risharde R.

    System Administrator, Programmer, Migration Specialist

    Trinidad and Tobago - Last active: 3 days ago - Tests: 12

    Hello! Thank you for viewing my profile! I am a Windows and Linux System Administrator / Programmer / Migration Specialist with over 13 years experience in the field of Information and Communication Technology. I urge you to choose me because I am dedicated and honest. My rates are affordable and my wealth of experience is vast. I also believe in excellent customer service. I am also a very quick learner and implementer. I think outside the box and find ways to get around problems that will save you time and money. As a Migration Specialist, I have migrated multiple Drupal 5 to Drupal 6 and Drupal 7 websites (even without using the migrate_d2d modules), transferred websites and databases from server to server and modified DNS configurations to point to new websites. As a Linux Administrator, I am experienced using CENTOS and Debian in conjunction with cPanel and Virtualmin installations and configurations. I have used both Virtual Private Servers as well as Dedicated Servers. As a Programmer, I can easily understand and program in PHP, VB.NET, Bash, Basic, Java, Javascript, Perl, Pascal, Tcl, HTML, CSS with additional experience in Drupal and Wordpress content management systems. I also have experience with setting up servers using linux (such as webhosting servers) running on WHM/Cpanel and Virtualmin. Thank you for taking the time to review my skills.

    $20.00 /hr
    11 hours
    5.00
  3. Alexandru V.

    Alexandru V.

    Senior Linux Administrator

    Romania - Last active: 2 months ago - Tests: 4 - Portfolio: 2

    * 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.

    $20.00 /hr
    122 hours
    4.99
  4. Claudiu C.

    Claudiu C.

    Technical Support and Linux Server Administrator

    Ireland - Last active: 12/20/2014 - Tests: 10 - Portfolio: 1

    Result oriented Linux and Network Administrator with several years experience both on commercial servers and networks but also private ones. Main focus has always been on Linux server administration in which field I successfully ran my own company for 3 years. Proven ability to provide creative and effective server and networking strategies through the application of highly developed problem solving skills. Experienced in providing user account administration and network security. Strong interpersonal, communicative, and organizational skills. Project management proficiency including analysis, design, development, implementation, documentation and evaluation. Technical skills: • Operating Environments: Windows 2000/XP/Vista/7/2008/2012/8, MacOS X, Debian 3.1-6.0, FreeBSD 6.0-9.0, RedHat/CentOS, SunOS/Solaris, iOS, Android, Other Linux • Languages: bash, ksh, PHP, HTML, Pascal (Borland Delphi). • Databases: MySQL • Networking: WAN/LAN, VLAN, TCP/IP, IPX/SPX, Ethernet, Wireless (IEEE 802.11), VoIP, DNS, FTP, SSH, HTTP, Apache, Webmin, cPanel, IRCd, Shoutcast Server, Cacti, Nagios, Virtuozzo, Xen, Asterisk, SMTP/POP3, NAS, Wireshark, tcpdump, Samba • Other software: Microsoft Office, PC Anywhere, TeamViewer, DreamWeaver Suite

    $21.11 /hr
    0 hours
    5.00
  5. Carlos Sura

    Carlos Sura

    System Administrator / Web Developer

    El Salvador - Last active: 16 days ago - Portfolio: 3

    Over the last 5 years, I have developed a wide range of websites using HMTL, PHP and MySQL including sites for startup companies and small businesses. Also, I've provide solutions for email marketing, web hosting, email servers, everything to ensure security, stability and delivery. Experience in: - DKIM - SPF - rDNS - BIND - Postfix - PowerMTA - Amazon SES - Nginx - Zimbra And many more... I also have some experience in the following areas: SQL, Ajax, Ruby, Java.

    $27.78 /hr
    603 hours
    4.92
  6. Muhammad iksan I.

    Muhammad iksan I.

    PHP Yii, RoR, SQL, Gmaps API, Java

    Indonesia - Last active: 10 hours ago - Tests: 3 - Portfolio: 8

    I'm a full stack web developer with more than 6 years of experience in web programming. I've been working from small to large application on some companies. I have design and develop many web applications with different languages, but I like coding with Ruby on Rails & PHP Yii. I have some experiences in - Framework : Ruby On Rails 4, PHP Yii, CodeIgniter, LMS Moodle, Django-Python - UI : Sass, CSS3, HTML, Jquery, Twitterbootstrap - API Integration : GMAPS API - DB administration: MySQL, Oracle, PostgreSql - Deploy : Heroku - Other programming skill: Java Please take a look at my portfolio

    $15.00 /hr
    355 hours
    5.00
  7. Oleg Degtyrev

    Oleg Degtyrev

    Content manager, Web Disigner HTML,CSS, IT-administrator, Fix, CMS

    Ukraine - Last active: 4 days ago - Tests: 1

    Site Administration CMS, installation, configuration and filling, transfer site (Wordpress, Joomla, OpenCart, DLE, Drupal, Magento, MODx, Bitrix, Umi,), Knowledge of HTML5, CSS3, Bootstrap, PHP initial level of appeal to a MySQL table and display and small tasks. Also, website promotion, SEO-optimization, Internet marketing, work with Google Analytics, Yandex Metrika; Have experience in content management, data entry, as well as research; There is a portfolio for graphics and video editing effect it: Adobe Photoshop, Adobe After Effects;

    $5.00 /hr
    5 hours
    5.00
  8. Roberto Murillo

    Roberto Murillo

    Computers and Servers Technical Support

    Honduras - Last active: 05/13/2014 - Tests: 3

    1. I have knowledge working with graphics environment Linux Systems and terminals with different Linux distributions (CentOS, Fedora, Ubuntu, Debian, Kubuntu). 2. I know how to configure GNU / Linux Web Administration's interface (Webmin). 3. I have knowledge working with Windows Operating System (Installation, Update & Configuration, etc.). 4. I can give Hardware Technical Support with Personal Computers or Servers (changes Motherboards, Processors, Graphics Cards, Memory RAM, etc.). 5. I can work with installation, configuration and upgrade BIOS. 6. I have Web Programming Knowledge with HTML/XHTML, CSS, and PHP. 7. In working with Linux systems, I can install, upgrade and configure different services to Servers GNU / Linux, such as Samba, Postfix SMTP, Dovecot IMAP/POP3, DHCP Server, Apache HTTP, Shorewall Firewall, SSH, Telnet, and more.

    $7.78 /hr
    147 hours
    4.65
  9. Austin Langley

    Austin Langley

    Independent IT Freelancer

    United States - Last active: 3 months ago - Tests: 8

    Over the last year I have been learning to and designing websites using HTML, CSS, JavaScript, PHP, MySQL, and XML. My main strength is in Web Design. I am also able to code in PHP and design MySQL databases. I am currently seeking opportunity's to design and even manage websites or web applications. I would love to work for you and help make your dreams come true. I also have knowledge in designing and managing basic networks for homes and small businesses. If you need anything done in Microsoft Office I am also able to help you.

    $12.00 /hr
    4 hours
    5.00
  10. Jibon Costa

    Jibon Costa Agency Contractor

    Joomla Designer/Developer/E-commerce

    Bangladesh - Last active: 12/04/2014 - Tests: 12 - Portfolio: 9

    Over 4 years experience on joomla. I have developed a wide range of website using Joomla, HTML, PHP & mysql including sites for startup companies, small companies even for educational institution like colleges or universities. Quick overview: > Joomla 1.5, 2.5, 3.X > Joomla extension development & customization > Joomla template design/coding from PSD or images > Joomla conversion from older version to latest version > PHP, HTML5, CSS3, Javascript, Jquery, Mysql > CakePHP framework > E-commerce Specialist > Virtuemart shopping system > Virtuemart extension development > Virtuemart customization > Jomsocial > Sobipro > Kunena forum > Mediawiki integration I have developed many extensions for joomla too. Can be able to create any kinds of e-commerce, static & flash site. I have a wide knowledge on customized different extensions & templates. Even I have good knowledge on CSS so I am able to change the existence template design also. I have also good knowledge on WordPress, Drupal, elgg for installation, configuration & Theme/Templates designed & customization. I am able to create any kinds of forum using phpbb, mybb, kunena ,vbulletin etc software's. I have also a good knowledge on Adobe Dreamweaver, Adobe photoshop, Illustrator for various purpose of designing & customization of templates. I am able to use accounting based software like tally, gnu cash for various accounting related purpose. I am honest,sincere & punctual of timing to doing job. Don't hesitate to accept me as your working partner

    Groups: Bluehost Developers and Designers

    Associated with: Dynamic Virtual Solution

    $11.11 /hr
    346 hours
    5.00