CentOS Freelancers

Showing 58 freelancers

CentOS Freelancers

Showing 58 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

  • Linux administrator / Devops engineer - AWS, Vmware, Puppet, Amazon

    I am self-motivated professional with over 10 yrs. of experience, I have strong work ethic and productive self-starter, proven with success being a freelancer at oDesk. I perform each project to the fullest of my capabilities and with the dedication … more

    I am self-motivated professional with over 10 yrs. of experience, I have strong work ethic and productive self-starter, proven with success being a freelancer at oDesk. I perform each project to the fullest of my capabilities and with the dedication that is expected from a professional as myself. Team player - Participated in multiple projects, joining large teams, effectively co-working with other professionals Effective leader - Took over leadership and managed team resources to achieve goals meeting deadlines. I've great experience with: - OS deployment, configuration and troubleshooting: CentOS, Ubuntu, Windows Server 2003 - 2012R2. - AWS (RDS, EC2, SES, S3, CloudFront, VPC, Route53, RedShift, Elastic Beanstalk etc.) - Web / Mail / Application: Apache, Tomcat, Send mail, Zimbra, Postfix, Qmail, Squirrelmail, FTP, Samba, OpenLDAP, POP3/ IMAPS & IIS server, Courier Map, Request Tracker, Openfire IM Server, Kickstart Server, LTSP, Cpanel, WHM and Plesk, Redhat Directory Server, CAS. MS Active Directory Server, WSUS Server, Atlassian JIRA\Confluence deployment and troubleshooting. - Virtualization: Vmware Server, Vmware ESXi Server. - Network Monitoring Tools: NagiOS, MRTG, PRTG, Solarwind, OpManager, OpenNMS, Watsup Gold. - Database: MySQL, Postgresql & MS SQL. - CMS: Drupal, Wordpress, Joomla, Liferay - DMS: Alfresco Well experience in Linux & Windows System administration, Puppet deployment, LDAP, Postfix, NFS/NIS, Samba, MySQL, Liferay, Alfresco, Tomcat, PHP, Apache and many others technologies.  less

    puppet-administration amazon-ec2 virtualization cpanel whm dns apache-administration firewalls linux-system-administration centos nagios vmware-administration mysql database-administration liferay magento drupal wordpress joomla php customer-support custom-cms rackspace-cloudservers varnish-cache memcached apache-ant apache-tomcat redhat-administration 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 1973 HOURS
    • INDIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 1 TEST
  • Senior System Administrator, Security officer, Migration engineer, SSD

    YOUR POSITIVE FEEDBACK IS THE HIGHEST AWARD FOR ME ;) Will do my best to assist you in any questions and tasks you may have =) Here is some info about my experience. SUMMARY Specialties: Information Technology / Internet / IT Division / Computer security … more

    YOUR POSITIVE FEEDBACK IS THE HIGHEST AWARD FOR ME ;) Will do my best to assist you in any questions and tasks you may have =) Here is some info about my experience. SUMMARY Specialties: Information Technology / Internet / IT Division / Computer security/ Internet Services / System Administration/ Webmaster Support / Web Analysis/ SEO / SEM / Internet Marketing Web hosting services (SSD hosting solutions) EXPERIENCE: d(-_-)b Linux/Windows system administrator, Operations team EuroVPS/WebDomSolutions January 2012 - May 2013 Greece, Athens Responsibilities: - Tickets; - System administration and monitoring. Theoretical and practical skills: - Operating Systems: RedHat/CentOS/Fedora, Debian/Ubuntu, FreeBSD, Windows Server 2003/2008; - Virtualization: Virtuozzo, OpenVZ, VMware, Onapp Xen, Apache CloudStack; - Setup/configuration: nagios, kayako, racktables, confluence, observium, nginx, php-fpm, liteSpeed, Apache CloudStack, Hostbill, WHMCS, redmine; - Control panels: Plesk, WHM Cpanel. - Database Administration: SQL Server, MySQL, MariaDB ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ <( -'.'- )> freelancer SEO freelance October 2010 - March 2012 (1 years 6 months) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ o(^_^)o System Administrator / Techsupport Webintellects/Webhostgian/Jumpline/Webdomsolutions November 2010 - March 2012 (1 year 5 months) US, Ohio Responsibilities: - Live Chat support, Tickets; - System/Server/Control Panel administration; - Nagios monitoring; - Internet research and work with technical documentation. Operating Systems: * RedHat/CentOS,Fedora * Windows server 2003/2008 * VPS setup and configuration (Parallels Virtuozzo Containers); Advanced theoretical and practical skills in such areas: - Operating Systems: RedHat/CentOS/Fedora, Windows server 2003/2008; - Virtualization: VPS setup and configuration (Parallels Virtuozzo); - Security: Advanced knowledge of Linux security, Firewalls ( IPtables, CSF, APF, BFD, Fail2Ban), Encryption ( SSL), SSH, Host Security Auditing; - Software: Apache servers (versions 1.3.x/2.2), DNS (BIND 9), QMail, Sendmail, exim, LAMP, Plesk/Exim/Cpanel (installing/upgrading/maintaining), Drupal, Wordpress, Joomla, OsCommerce applications, Yum/RPM usage; - Database Administration: SQL Server 2003/2008, MySQL, MS access. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ b(^_^)d Internet Marketing Specialist || Web Analyst DCoM Soft, Inc. December 2009 – August 2010 (9 months) Responsibilities: - Internet Marketing strategy and tactics - Information architecture and Web site content planning - Research of partners - Internet Market Research - Research Usability Design - Online promotion of company's web-based products Skills: - Search Engine Optimisation (SEO) - Paid online Marketing / Pay per Click Management (PPC) - SEO Copywriting/Editing - Social Media Optimization and Marketing (SMO/SMM) - Experience running USA-targeted social Marketing - Writing press releases - Social networking (Twitter, Facebook, Google follow etc) - Google Products, AdWords/AdSense, Google Analytics, Webmaster tools, Google Merchant, etc. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ \(^_^)/ Customer Relations Representative || Advanced Technical Agent Ecommerce, Inc. May 2007 – October 2009 (2 years 6 months) Responsibilities: - Sales, billing and technical support in solving problems reported by clients; - Chat, helpdesk system, correspondence; - View, Adaptation, "repair" clients' sites; - Basic server/service diagnostic and reports to sysadmin department; - Internet research and work with technical documentation; - Work in team. Basic theoretical and practical skills in such areas: - Linux / Unix OS, Windows server 2000/2003, Windows XP/98; - Servers: Apache, bind, sendmail, ProFTP, MySQL, SQUID / SOCKS, MSSQL, Samba; - Easy coding: PHP, PERL / CGI, HTML, JavaScript, CF, ASP,. NET, C + +; - Widely used protocols (HTTP, HTTPS, SMTP, POP, IMAP, FTP (s), TCP / UDP, etc); - HSPHERE control panel (versions 2.3 and 3).  less

    wordpress plesk cpanel joomla nginx php centos nagios mysql network-administration security atlassian-confluence virtuoso openvz vmware-administration fedora ubuntu bash seo sem ftp exim qmail postfix ssl linux-system-administration lamp-administration database-administration windows-administration project-management virtual-assistant tcp-ip internet-marketing network-security google-analytics redhat-administration css unix-system-administration unix-shell virus-removal apache-administration phpmyadmin red5 00 more less
    • $34.88 HOURLY RATE
    • 5.0
    • 1177 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 16 PORTFOLIO ITEMS
    • 20 TESTS
  • Senior Linux Administrator / Virtualization /Asterisk / VoIP / cPanel

    I am a senior technical engineer who has 15 years IT experience in the following areas: Advanced Linux Cluster Administration Advanced Knowledge of shell scripting Advanced Knowledge of Perl programming Network Administration Network Security (Penetration Testing) Server Auditing Technical Support … more

    I am a senior technical engineer who has 15 years IT experience in the following areas: Advanced Linux Cluster Administration Advanced Knowledge of shell scripting Advanced Knowledge of Perl programming Network Administration Network Security (Penetration Testing) Server Auditing Technical Support Virtualization (mainly Parallels Virtuozzo/openVZ/ProxMox) Web hosting Control panels such as cPanel,Plesk,DirectAdmin Tweaking and Optimizing Apache for better performance Hardening PHP Data recovery Asterisk/Trixbox/Elastix/VoIP solutions.  less

    linux-system-administration asterisk mysql cpanel whm centos samba apache-administration perl security nagios bash freepbx trixbox 00 more less
    • $44.44 HOURLY RATE
    • 5.0
    • 6621 HOURS
    • EGYPT
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 7 TESTS
  • Expert Linux administrator, Devops

    My goal is customer satisfaction. If you need to get something done - leave it to me. OS: Linux - expert, FreeBSD and Windows Server - proficient Cloud services: AWS, Rackspace SCM: Puppet, Ansible Web servers: Apache, Nginx, Tomcat Database servers: Mysql, Postgresql … more

    My goal is customer satisfaction. If you need to get something done - leave it to me. OS: Linux - expert, FreeBSD and Windows Server - proficient Cloud services: AWS, Rackspace SCM: Puppet, Ansible Web servers: Apache, Nginx, Tomcat Database servers: Mysql, Postgresql Atlassian: Jira, Confluence, Crowd, etc - the whole suite Monitoring: Nagios, Groundwork, Zabbix, Monit, Munin, Cacti Virtualization: Openvz, Vmware ESXi/server, Proxmox Mail servers: Zimbra, Exim, Sendmail, Dovecot Backups: Bacula, duplicity, rsnapshot High availability: Corosync/Pacemaker, DRBD Other: standard network services (DNS, DHCP, LDAP, Samba, SVN/Git, http proxy, jabber, VPN, backups, monitoring etc), firewalls and routers (iptables, iproute, VLAN, bridging, bonding). Performance optimization: Magento, Wordpress, etc.  less

    openvz apache-administration nginx atlassian-jira mysql bash lamp-administration linux-system-administration postgresql virtualization amazon-web-services amazon-ec2 amazon-s3 nagios exim mail-server-implementation centos iptables haproxy bash-shell-scripting zimbra-administration atlassian-confluence 00 more less
    • $95.00 HOURLY RATE
    • 4.8
    • 2500 HOURS
    • THAILAND
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 7 TESTS
  • Linux System Admin, Tech Hosting Support, cPanel/WHM Specialist

    I have more than 5 years in networking industries , 4 years in System Administration and hosting environment. Bsc in Computing .Certified with CCNA,CCNP in progress. 4 years in web hosting industries with Technical Support, System Administration and Business Development … more

    I have more than 5 years in networking industries , 4 years in System Administration and hosting environment. Bsc in Computing .Certified with CCNA,CCNP in progress. 4 years in web hosting industries with Technical Support, System Administration and Business Development (web hosting) experience. TechnicalSkills and Experience: Ability to build, manage and troubleshoot control panel * Cpanel/WHM - DirectAdmin - PLESK - WebMin - Kloxo control panels Operating System * CentOS * Fedora Core * Ubuntu Including the following: • WWW Servers - Apache. • Control panels WHM/cPanel • Networking - TCP/IP, NFS, Telnet, FTP, DNS, DHCP, NAT, ifconfig, route, netstat, xinetd, HTTP, NIS/YP • Mail - SMTP, POP, IMAP, Qmail, Sendmail • Admin Tools - admintool ,linuxconf, vmstat, iostat, top, trace route, ping, sar, ntop, webmin • Backup - tar, cpio, dump (ufsdump) • Security - SSH, SSL, IPchains, IPtables, TCP Wrappers, Tripwire, port scanners, password crackers Server Security hardening * Firewall [csf/apf/iptables] * Tripwire * chkrootkit , rkhunter * Secure Shell * PHP hardening, sysctl hardening etc Web Server hardening and tweaking. * Apache optimization * Adding mod_security rules * Mod_evasive , mod_limitipconn for preventing DDOS * Tweaking of apache directives Billing System * WHMCS - Blesta Database * MySQL MTA * Qmail with SpamAssassin + ClamAV * Exim with SpamAssassin + ClamAV Primary Language * Arabic Secondary Language (excellent) * English * Please note I apologize to accept any work that contain Adult contents, Wine, Dating and gambling.  less

    network-administration linux-system-administration cpanel whm plesk chat-support email-technical-support arabic whmcs amazon-ec2 amazon-s3 amazon-web-services centos apache-administration security exim iptables fedora mail-server-implementation 00 more less
    • $22.22 HOURLY RATE
    • 4.9
    • 2032 HOURS
    • EGYPT
    • LAST ACTIVE
    • 8 PORTFOLIO ITEMS
    • 9 TESTS
    ASSOCIATED WITH:
  • network and system engineer

    I am an energetic, well-spoken and capable Network & System Administrator with expertise in Linux Server Administration and Network equipments. I enjoy working on all things IT related, and I have extensive experience of resolving Linux server problem and also network … more

    I am an energetic, well-spoken and capable Network & System Administrator with expertise in Linux Server Administration and Network equipments. I enjoy working on all things IT related, and I have extensive experience of resolving Linux server problem and also network related problems. My key strengths include, but are not limited to: - WebServers: Nginx, Apache, Tomcat; - Databases: MySQL, MariaDB, CouchDB; - Mail Servers : Postfix, Dovecot, Qmail, DBMAIL; - FTP: Vsftpd, ProFTPD, Pure-FTPD; - VPN: OpenVPN, PPTP; - Firewall: csf, afp, custom iptables firewall; - Backup Solutions; - Proxy Servers; - Bash Shell Scripting; - Web Security (PHP Security php_suhosin, Apache Security mod_Security, OS Security (malware detection), Antivirus (clamav)); - - Traffic Control Scripts based on TC; - Monitor Technologies; - TCP/IP, VLANS, Routing Protocols - (RIP, EIGRP, OSPF) I have CCNA Certification and during time I had participate to online courses to improve my experience in Linux, Security, Firewalls. I will bring to your company or project fresh ideas, new perspectives, a diversity of experiences, and a dedication to service.  less

    network-security computer-networking plesk cpanel centos ubuntu linux-system-administration cisco-routers linux-slackware apache-administration postfix mysql lamp-administration performance-tuning 00 more less
    • $11.11 HOURLY RATE
    • 5.0
    • 2357 HOURS
    • ROMANIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 7 TESTS
    ASSOCIATED WITH:
  • AWS/WHM/Cpanel/Plesk/Zpanel/ISPconfig/Virtulamin/Webmin

    8+ Years of Experience in System and Network Administration Operating system: Ubuntu, Debian,CentOS,Red Hat, Windows Server (2003,2008,2012), XP, Vista, Win7, OSX Server: AWS, EC2, S3, EBS, Digital Ocean, Rackspace, Hostgator, Godaddy, Active Directory, Samba4, VMware Vsphere … more

    8+ Years of Experience in System and Network Administration Operating system: Ubuntu, Debian,CentOS,Red Hat, Windows Server (2003,2008,2012), XP, Vista, Win7, OSX Server: AWS, EC2, S3, EBS, Digital Ocean, Rackspace, Hostgator, Godaddy, Active Directory, Samba4, VMware Vsphere, Xen Server, Apache,Tomcat, Nginx, Samba File Server, Free Radius, Openfiler, LTSP Server,ISPconfig, Zpanel, Cpanel, Plesk, Linux/Windows Terminal Server, DNS, Bind, MS Excange 2013, Zarafa, Resara, Postfix, Dovecot, Cloud Computing, High Availability. Security: IPsec, PPTP,SSH, SSL/TLS Untangle, ISA, Zentyal Hardware: Laptop, PC, Router, Switch, Printer, HP server, NAS, SAN Website Application: Wordpress, Magento Ecommerce, Woocommerce  less

    linux-system-administration ubuntu wordpress mysql microsoft-excel microsoft-word magento windows-administration phpmyadmin centos squid openvpn performance-testing performance-tuning hardware-troubleshooting apache-administration lamp-administration firewalls microsoft-active-directory tcp-ip 00 more less
    • $16.67 HOURLY RATE
    • 4.7
    • 1163 HOURS
    • PHILIPPINES
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 5 TESTS
  • VCP, MCSA, Exchange, Vmware, HyperV, Servers Expert Admin

    10+ years experience in Information Technology (IT) Major areas of expertise: VMware and Microsoft virtualization technologies. Designing and implementing fault-tolerant virtualization clusters SAN and NAS systems (iSCSI, FC) Windows 2003 / 2008 / 2012 Server * Active Directory * Microsoft ISA Server and TMG … more

    10+ years experience in Information Technology (IT) Major areas of expertise: VMware and Microsoft virtualization technologies. Designing and implementing fault-tolerant virtualization clusters SAN and NAS systems (iSCSI, FC) Windows 2003 / 2008 / 2012 Server * Active Directory * Microsoft ISA Server and TMG * Clustering * MS Windows XP/Vista/7/8 desktop/workstation operating systems * Centralized anitivirus systems WSUS * TCP/IP, Switching and Routing * Firewalls IBM, HP, Dell Servers * DNS, DHCP, Wins * Print Server * File Server * Network and Servers documentation * LAN hardware/software administration, design, installation and configuration * Print Server * LAMP Administration * Linux services : squid, postfix, dovecot, firewall, ldap, mysql, nagios, dhcp, bind etc Certifications: MCP - Microsoft Certified Professional MCSA - Microsoft Certified Systems Administrator VCP - Vmware Certified Professional VCP-510 * VCA-DCV - Vmware Certified Associate Data Center Virtualization.  less

    windows-administration vmware-administration vmware-esx microsoft-exchange-server virtualization network-administration lamp-administration cisco-routers cisco-ios microsoft-hyper-v-server iis dhcp dns centos postfix apache-administration php computer-networking mail-server-implementation isa-server mysql software-testing virus-removal firewalls squid ldap linux-system-administration network-security 00 more less
    • $22.22 HOURLY RATE
    • 4.7
    • 2581 HOURS
    • ROMANIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 8 TESTS
    GROUPS:
  • Network Expert (Cisco CCIE), Linux/UNIX Administrator(RHCE,SCNA)

    I am an Cisco Expert in both Routing&Switching (CCIE R&S) and Service Provider (CCIE SP), Professional in Network Security (CCSP). I have extensive experience with Cisco, Juniper, HP networking hardware and technologies, and strong on the side of … more

    I am an Cisco Expert in both Routing&Switching (CCIE R&S) and Service Provider (CCIE SP), Professional in Network Security (CCSP). I have extensive experience with Cisco, Juniper, HP networking hardware and technologies, and strong on the side of UNIX systems - with emphasis on Linux and Solaris but also FreeBSD. Microsoft OSs are also part of my experience. I am certified in Linux/UNIX:RHCE on RHEL3 and SCNA on Solaris 9 and 10. I am also Microsoft-Certified: MCSE.  less

    cisco-routers security wan linux-system-administration centos solaris-administration cisco-ios firewalls cisco-asa network-administration dns 00 more less
    • $45.00 HOURLY RATE
    • 5.0
    • 6814 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 4 TESTS
  • 9+ years exp in hosting industry. NIX/WIN servers config/tuning

    server-administration, linux-system-administration, windows-administration, unix, freebsd, clustering, amazon-web-services, virtualization, openvz, plesk, cpanel, customer-support, helpdesk-support, internet-applications, database-management, mysql, postgresql, microsoft-sql-server, rdbms, mail-servers, dns, web-services, iis, apache, lighttpd, nginx, apache-tomcat, jboss, security, openvpn, billing

    centos freebsd windows-administration virtualization linux-system-administration unix-shell unix-system-administration apache-administration apache-tomcat iis haproxy dbms mysql sqlite oracle-database oracle-application-server microsoft-visio virtuoso vmware-administration ftp ssl ssh helpdesk-support sendmail exim postfix nagios zabbix snmp cpanel whm plesk php perl c++ bash borland-c++-builder microsoft-visual-c++ svn tortoise-svn vpn openvz openvpn technical-support redhat-administration 00 more less
    • $33.33 HOURLY RATE
    • 5.0
    • 1622 HOURS
    • MONTENEGRO
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 7 TESTS
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