CentOS Freelancers

Showing 425 freelancers

CentOS Freelancers

Showing 425 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

  • Senior FreeBSD/Linux System Administrator

    I have more than 10 years experience in system administration: - Linux maintenance (CentOS, Debian, Ubuntu, CoreOS, RHEL); - Cloud hosting (Amazon EC2, RDS, S3, DigitalOcean Droplets); - Virtualization: (Docker, VirtualBox, Vmware, Openvz, Xen, Hyper-V); - Web servers (apache, nginx); - Databases (MySQL, PostgresQL); - Monitoring … more

    I have more than 10 years experience in system administration: - Linux maintenance (CentOS, Debian, Ubuntu, CoreOS, RHEL); - Cloud hosting (Amazon EC2, RDS, S3, DigitalOcean Droplets); - Virtualization: (Docker, VirtualBox, Vmware, Openvz, Xen, Hyper-V); - Web servers (apache, nginx); - Databases (MySQL, PostgresQL); - Monitoring (zabbix) - Mail servers (postfix, sendmail, antispam/ antivirus: clamav/spamassassin/amavis, courier, dovecot); - FreeBSD maintenance ; - Networking (DHCP, DNS, VPN, OpenVPN, firewalls: iptables/ipfw, qos, proxies); - Windows Server (2008/2012); - Exchange 2007/2010; - Python programming.  less

    linux-system-administration computer-networking mysql database-administration network-administration freebsd centos python unix-system-administration amazon-ec2 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 549 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 6 TESTS
    GROUPS:
  • Network Administrator (Microsoft / Linux / Cisco)

    let me tell you about myself. more than five years, I work as a system administrator. In my work I deal with the problems associated with the administration of Window servers, Exchange 2010, Symantec Backup exec 2010/2012, CentOS servers … more

    let me tell you about myself. more than five years, I work as a system administrator. In my work I deal with the problems associated with the administration of Window servers, Exchange 2010, Symantec Backup exec 2010/2012, CentOS servers, Cisco routers and switches. The knowledge gained at the university, the experience gained during the work, as well as the ability to work with search engines, technical documentation and books allows me to solve a wide range of tasks.  less

    linux-system-administration centos network-administration computer-networking microsoft-windows-server microsoft-exchange-server microsoft-hyper-v-server microsoft-windows-powershell cisco-routers vpn 00 more less
    • $5.00 HOURLY RATE
    • 4.5
    • 0 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 1 TEST
  • FOSS Consultant

    Hello, My name is Renich Bon Ciric (yeah, I know it's up there...). I'm a FOSS professional and expert GNU & Linux Systems Administrator and Integrator; specialized in RedHat/Fedora. I live in Guadalajara, Jalisco, México. I can offer … more

    Hello, My name is Renich Bon Ciric (yeah, I know it's up there...). I'm a FOSS professional and expert GNU & Linux Systems Administrator and Integrator; specialized in RedHat/Fedora. I live in Guadalajara, Jalisco, México. I can offer my skills remotely. I am willing to work by project, part time or full time. My favorite time of day are evenings. I am a night owl and am happy to work on odd shifts. # Experience - CloudSigma: Recently. I was in charge of integrating their current software stack for the cloud. Basically KVM/Qemu hosts. - (xpert) creations: I was in charge of their LAMP servers; all successfully migrated from several ISPs into KVM/Qemu virtualized servers. - Tools Net: I was in charge of their infrastructure. Migrated from a very old VMWare installation into a KVM/Qemu setup. - Mexican Foodbank Association (AMBA): Was in charge of the infrastructure; including mail, dns and LAMP. - Fedora: I am, currently, a Fedora packager. - LinuxCabal: I started the PHP and Python groups. In charge of new projects for this non-for-profit organization. I'll synthesize a skillset for you and am happy to answer any queries or question regarding these subjects: # Basis - Systemd and SysV - Puppet - Bacula (automated backup system) # Networking and Security - DHCP and DNS (ISC of course) - iptables, firewalld, tcp wrappers, SELinux, etc # Virtualization - KVM/Qemu/Libvirt - OpenStack - GlusterFS, XtreemFS and Ceph # Web - NginX, Apache and Cherokee - MySQL/MariaDB and a little Postgress # Programming and scripting - Bash/Dash, Perl, PHP, Ruby and Python - C and C++ # Misc - Fedora Packaging (RPM) and repo generation I am happy to learn whatever is needed with a few exceptions: - Java - Oracle # CV http://cv.woralelandia.com/ # References https://www.google.com/#q=renich  less

    linux-system-administration dhcp iptables kvm-virtualization fedora centos nginx apache-administration php ruby python bash bash-shell-scripting mysql virtualization firewalls security network-administration network-security computer-networking lamp-administration redhat-administration music-arrangement music-composition music-producer ableton-live propellerhead-reason avid-pro-tools sinatra-framwork bacula data-backup google-apps 00 more less
    • $50.00 HOURLY RATE
    • 5.0
    • 48 HOURS
    • MEXICO
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 3 TESTS
  • Senior Linux System Engineer

    Skills/Technologies: Apache, Nginx, Haproxy, Nagios, Zabbix, Postfix, Dovecot, MySQL, PostgreSQL, Redis, Git, Bash, Xen, OpenVZ Virtualization, IPtables, Shell Scripting, Troubleshooting, Bind, Squid, Samba, PHP Scripting, Chef, Puppet, Deep MySQL+PHP+Apache/Nginx optimization, CI. Environment building/configuration: Jira + Confluence … more

    Skills/Technologies: Apache, Nginx, Haproxy, Nagios, Zabbix, Postfix, Dovecot, MySQL, PostgreSQL, Redis, Git, Bash, Xen, OpenVZ Virtualization, IPtables, Shell Scripting, Troubleshooting, Bind, Squid, Samba, PHP Scripting, Chef, Puppet, Deep MySQL+PHP+Apache/Nginx optimization, CI. Environment building/configuration: Jira + Confluence + Crowd + Stash/Bamboo. OS: CentOS, RedHat, Gentoo, Debian. Eugene is ready to build/optimize your company's IT infrastructure, environment architecture, build Continuous Integration and product environment using world lead Atlassian Jira/Confluence/Crowd/Stash/Bamboo products. Also he is providing hosting and personal system engineering consultations. Eugene have more than 10 years background in system engineering, network building, HA, virtualisation, HA storage, databases, email servers, web servers but also in advertisements and entrepreneurship. In 2006 he founded developed and built successful advertising network using media panels installed in city buses Odessa, Ukraine.  less

    linux-system-administration database-administration network-administration lamp-administration php centos mysql git nginx 00 more less
    • $25.00 HOURLY RATE
    • 5.0
    • 0 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 2 TESTS
  • Senior System Administrator

    Hello, I'm a System Administrator with 6+ years experience. I have worked earlier with hosting companies like hostpro.ua, 1gb.ua, hostclear.com, justhost.com and SingleHop.com. I've great experience with WordPress, cPanel/WHM, Plesk and server … more

    Hello, I'm a System Administrator with 6+ years experience. I have worked earlier with hosting companies like hostpro.ua, 1gb.ua, hostclear.com, justhost.com and SingleHop.com. I've great experience with WordPress, cPanel/WHM, Plesk and server configuration (Bind, Postfix, Apache, MySQL, FTP and etc) + Virtualization OpenVZ Also I know CentOS and Ubuntu rather good (installation and configuration of software like ffmpeg, 3dproxy, Maldet, OpenVPN, Bugzilla and etc) Also I've a good experience with Nginx + PHP-FPM + Nginx Cache + Varnish Cache Currently I work remotely as a system/server administrator at RipaMedia Inc. I love my job and also I like to help people like you :)  less

    linux-system-administration mysql ubuntu wordpress cpanel plesk windows-administration whm domain-migration ffmpeg openvpn openvz centos nginx virus-removal lamp-administration clamav load-balancing nagios varnish-cache memcached 00 more less
    • $22.22 HOURLY RATE
    • 4.9
    • 129 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 1 TEST
  • Senior Systems & Network Engineer

    With over 15 years of experience in the IT field, having worked at some of the most demanding environments as a Senior Unix System administrator (FreeBSD/Linux) and a Security expert. I specialize in complex ISP based *nix installations, corporate … more

    With over 15 years of experience in the IT field, having worked at some of the most demanding environments as a Senior Unix System administrator (FreeBSD/Linux) and a Security expert. I specialize in complex ISP based *nix installations, corporate Mail servers, large high traffic Web servers, Database servers and large ZFS based storage solutions. I have extensive knowledge in Virtualization technology. I have being involved with various types of Cloud solutions especially with OpenStack and CloudStack and KVM I like to deliver fast results with great quality and I never overcharge my clients.  less

    freebsd security unix-system-administration vpn linux-system-administration centos rhel solaris-administration firewalls mail-server-implementation apache-administration amazon-ec2 virtualization mysql 00 more less
    • $30.00 HOURLY RATE
    • 5.0
    • 544 HOURS
    • GREECE
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 10 TESTS
  • System and Neytwork specialist

    Experienced graduate seeking opportunity that will allow the utilization of skills gained in the Networking and Telecommunication field. I hold excellent trouble-shooting skills due to the real time hands on experiences. As a Cisco Certified, I hold in depth knowledge … more

    Experienced graduate seeking opportunity that will allow the utilization of skills gained in the Networking and Telecommunication field. I hold excellent trouble-shooting skills due to the real time hands on experiences. As a Cisco Certified, I hold in depth knowledge on Cisco Products & networking solutions. I am looking for a role where I can develop my skills further, researching new technologies and reveling in new challenges.  less

    itil network-security linux-system-administration vmware-esx firewalls pfsense centos nagios vpn cisco-asa 00 more less
    • $11.11 HOURLY RATE
    • 5.0
    • 0 HOURS
    • SRI LANKA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
    ASSOCIATED WITH:
  • Candidate of Sciences (PhD), Unix Developer & Administrator

    Over the last 5 years, I have worked on - scientific software development - server-side web development - scraping and crawling of web sites - *nix administration - building packages for Linux distributions - encrypting data I have experience in the following: - Fortran 77/90/95 … more

    Over the last 5 years, I have worked on - scientific software development - server-side web development - scraping and crawling of web sites - *nix administration - building packages for Linux distributions - encrypting data I have experience in the following: - Fortran 77/90/95; OpenMP; BLAS, LAPACK, MKL - LaTeX; Gnuplot, Asymptote - C; OpenGL, GLS, GLPK - Java SE; JOGL - Python 2/3; Django, PyGObject, SciPy, NumPy - JavaScript; Bootstrap, JQuery - CSS - BASH; Coreutils, - GNUMake - GIT - Debian GNU Linux, Ubuntu, Fedora, CentOS, FreeBSD, Mac OS X  less

    opengl ubuntu freebsd fortran java unix-shell python c django-framework sqlite mysql python-scipy python-numpy jquery twitter-bootstrap apache-administration lighttpd mac-os-app-development javascript centos fedora 00 more less
    • $20.00 HOURLY RATE
    • 4.8
    • 492 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 11 TESTS
    GROUPS:
  • 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
  • RHEL / CentOS System Admin, AWS, WHM/Cpanel

    Handling unmanaged VPS, Dedicated Server with core console (Terminal). -Giving sites maximum Uptime. -Implementing new policy and maintain backup and backend server. -Prevent from websites hack (SQL Injection, FTP bypass, Brute force on SSH Tunnel ) -Maintain All site on Nginx … more

    Handling unmanaged VPS, Dedicated Server with core console (Terminal). -Giving sites maximum Uptime. -Implementing new policy and maintain backup and backend server. -Prevent from websites hack (SQL Injection, FTP bypass, Brute force on SSH Tunnel ) -Maintain All site on Nginx and Kloxo with limited sync time. -Manage shop cart Zencard and Magento site on servers and make server compatible . Penetration Testing: -Client side attacks - Server side attacks - Web applications vulnerability scans - Custom exploiting techniques - Social engineering  less

    linux-system-administration penetration-testing mail-server-implementation mysql dns squid security network-security apache-administration node.js subversion nginx centos iptables ssh ubuntu 00 more less
    • $17.86 HOURLY RATE
    • 5.0
    • 385 HOURS
    • INDIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 3 TESTS
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