CentOS Freelancers

Showing 422 freelancers

CentOS Freelancers

Showing 422 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/Unix System Administrator

    I`m a Linux/Unix System Administrator with over 7 years of experience. I have an extensive experience installing, configuring, administering and maintaining OS. I prefer nix-like systems, but also have skills to work with MS Windows systems. I will … more

    I`m a Linux/Unix System Administrator with over 7 years of experience. I have an extensive experience installing, configuring, administering and maintaining OS. I prefer nix-like systems, but also have skills to work with MS Windows systems. I will never not take any job in which I am not confident in my capabilities. Guaranteed quality and timely execution of job. My skills: - OS: RHEL-like systems, Debian-like systems; BSD-like systems; OpenWRT/DD-WRT; Microsoft OS (average level) - Web Servers: Apache, nginx - DataBases: MySQL, MariaDB, PostgreSQL - Mail: Exim, Dovecot, LDAP/AD/MySQL integration, Sieve, GreylistD, Obspamd, SpamAssassin, ClamAV, RoundCube, PostfixAdmin, DMARC, SPF, DKIM - DNS: bind, unbound - DHCP: isc-dhcpd - FTP: vsftpd, proftpd - Proxy: squid - Iptables, ipfw, pf, bridging, bonding - VPN: MPD5, OpenVPN, Racoon, PPPD, xl2tpd, pptpd - SAMBA: v3, v4 - Network monitoring: Zabbix - VoiP: Asterisk (entry level) - OpenSSL - Backups - Scripting  less

    linux-system-administration unix-system-administration mail-server-implementation network-monitoring zabbix mysql data-backup freebsd centos ubuntu 00 more less
    • $9.00 HOURLY RATE
    • 5.0
    • 30 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 9 TESTS
  • Linux system administrator, DevOps consultant, Nagios Icinga expert

    High-skilled self-motivated professional with over 7 years of experience in Linux/Unix administration. Strong skills in hosting services including design of networks, servers and services. I have done several projects for designing of infrastructure from ground zero to ready systems … more

    High-skilled self-motivated professional with over 7 years of experience in Linux/Unix administration. Strong skills in hosting services including design of networks, servers and services. I have done several projects for designing of infrastructure from ground zero to ready systems including development area for Web Development companies with staging/pre-production environments. Positive experience in design and implementation solutions for High-Load web projects. - Linux system administration (Debian/Ubuntu and CentOS/RHEL) - PHP and Ruby/Rails software development background, - involved into JAVA projects as build and configuration manager - deployment with Ant, Hudson/Jenkins, Rake/Capistrano - pro-active monitoring with Icinga 2 and Nagios 4 - scheduled backups and disaster recovery verifications - apply DevOps methodology for better cooperation with developers.  less

    amazon-web-services linux-system-administration bash-shell-scripting centos ubuntu unix-shell tcp-ip apache-administration nginx nagios 00 more less
    • $28.00 HOURLY RATE
    • 5.0
    • 15 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 8 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
  • Senior Linux system administrator, network administrator

    I am expert Linux Server Administrator having 10+ years experience and ready to work. I have extended experience on web hosting technologies and cloud. Ready to start working at your project right now! -- Below you can see my general skills … more

    I am expert Linux Server Administrator having 10+ years experience and ready to work. I have extended experience on web hosting technologies and cloud. Ready to start working at your project right now! -- Below you can see my general skills -- * OS’s: Debian, Ubuntu, CentOS, RedHat, CloudLinux, Gentoo, FreeBSD (administration, configuration, audit, optimization); * Software Configuration Management: Salt, Ansible; * Web servers: nginx, Apache (installation, configuration, optimization); * Database servers: MySQL, Postgresql, MariaDB, Percona, MongoDB (installation, configuration, optimization, profiling); * Mail servers: Exim, Postfix, Sendmail, Zimbra, Qmail, Dovecot + Spamassassin, ClamAV; * Webhosting Administration Panel: ISPManager, Billmanager, VMManager, cPanel, ISPConfig, Plesk, DirectAdmin, VestaCP, webmin; * Amazon: AWS setup or Amazon tools; * Virtualization: OpenVZ, XEN, KVM, VMWare, VirtualBox; * Load balancing: HAproxy, Nginx, PowerDNS, BIND, Route53; * System Backup and Restore automatization;   * Network services: dns (bind, powerdns), vpn (mpd,pptpd,openvpn), firewalls (iptables/ipfw), file server (samba3/4), proxies (squid, 3proxy, privoxy, nginx); * Monitoring: Zabbix, Munin, Nagios; * FTP: Vsftp, Pureftp, Proftp. Thank you for viewing!  less

    debian-os centos database-programming mysql php linux-system-administration database-administration nginx apache-administration openvz 00 more less
    • $15.00 HOURLY RATE
    • 5.0
    • 15 HOURS
    • MONTENEGRO
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 12 TESTS
  • System Administrator

    I'm a professional Linux system administrator with 8+ years of experience and strong troubleshooting skills. My skill: * Linux(CentOS, Ubuntu, Debian) and FreeBSD * Scripting: bash/Python/Ruby/PHP * Debugging C/C++ software * Network services: Web server(Apache, Nginx, PHP-FPM … more

    I'm a professional Linux system administrator with 8+ years of experience and strong troubleshooting skills. My skill: * Linux(CentOS, Ubuntu, Debian) and FreeBSD * Scripting: bash/Python/Ruby/PHP * Debugging C/C++ software * Network services: Web server(Apache, Nginx, PHP-FPM), Email(Postfix, Exim, Dovecot, Zimbra, OpenDKIM), DNS(BIND), iptables, VPN(IPsec/strongSwan, PPTP/Poptop, OpenVPN), Squid, HAProxy * Database: MySQL, MongoDB, PostgreSQL, Memcached * Virtualization: Xen, Docker, KVM, Vagrant, VMware(ESXi/vSphere), SolusVM * Monitoring: Zabbix, Nagios/Icinga, Munin, Cacti * Configuration management: Ansible, Puppet * Control panel: Webmin, ISPConfig * VoIP: Elastix * Hosting: AWS(EC2), DigitalOcean, Linode, OVH(So you Start/Kimsufi), Hetzner, Go Daddy  less

    linux-system-administration centos ubuntu nginx mysql amazon-ec2 openvpn 00 more less
    • $15.00 HOURLY RATE
    • 5.0
    • 3 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • Professional linux system administrator

    Over the past 4.5 years I`m a system administrator on highly loaded projects. I started as junior sysadmin in masterhost, largest hosting company in Russia at that moment, and grew up to very experienced system administrator. For the … more

    Over the past 4.5 years I`m a system administrator on highly loaded projects. I started as junior sysadmin in masterhost, largest hosting company in Russia at that moment, and grew up to very experienced system administrator. For the last 3 years I`m working in one of the biggest internet company in Russia, mail.ru group. In masterhost I used to administrate FreeBSD and Linux servers for shared hosting and VPS hosting. Nginx, apache, mysql. Searching for bottlenecks, mysql, apache, nginx tunning. OpenVZ. In mail.ru group from 2011 til 2013 I was working in storage-team. Over 3000 servers, 12 Petabytes of data (emails, photos, videos, etc). And from 2013 I`m working in go.mail.ru team. Developing cloud infrastructure based on LXC. It`s hard to write all my occupations, so here is skills I used most: Linux system administration(Centos mostly, Debian and Ubuntu) nginx apache mysql redis memcached sysctl tunning for highly loaded servers strace, gdb for very deep debugging kickstart (had developed fully automatic system for servers installation based on ks) puppet, mcollective (orchestration and configuration management. Started puppet from scratch in mail.ru) saltstack (same as puppet purpose, but brand new way of orchestration and configuration management. Our team migrating right now from puppet. Like it more)  less

    linux-system-administration puppet-administration dns nginx openvz centos ubuntu virtual-private-server load-balancing 00 more less
    • $15.00 HOURLY RATE
    • 5.0
    • 0 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 6 TESTS
  • System Administrator

    I am an experienced CentOS and Ubuntu Administrator specializing in Web Server and Game Server Management. I'm also experienced in many aspects of business and accounting, and have training in many different areas. … more

    I am an experienced CentOS and Ubuntu Administrator specializing in Web Server and Game Server Management. I'm also experienced in many aspects of business and accounting, and have training in many different areas.  less

    centos mysql network-administration linux-system-administration minecraft 00 more less
    • $50.00 HOURLY RATE
    • 5.0
    • 2 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • Amazon AWS/Linux/Security Expert

    The last 10 years I developed the whole IT infrastructure in large publishing house company, implemented domain, mail, documents workflow, and web services for 500+ company employees. List of operational systems and technologies I have used the last ten years … more

    The last 10 years I developed the whole IT infrastructure in large publishing house company, implemented domain, mail, documents workflow, and web services for 500+ company employees. List of operational systems and technologies I have used the last ten years: Dedicated Servers and VPS setup, configuration, security - both Windows and Linux. Work with CentOS, Ubuntu, Debian, Amazon Linux, FreeBSD, Windows 2003/2008/2012 Servers. Server administration Panels, setup and configure - Plesk, DirectAdmin, Cpanel, Webmin, WHMCS. MySQL, MSSQL, Apache, IIS - setup, configuration, optimize for performance. Wordpress - performance optimization, security, migration.  less

    amazon-ec2 cisco-routers domain-migration linux-system-administration centos whm cpanel wordpress 00 more less
    • $27.78 HOURLY RATE
    • 5.0
    • 172 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 11 TESTS
  • Apache/PHP/MySQL/cPanel/servers/OpenVZ/Xen

    I am a System and network Administrator, who have an experience of 4 years in Linux platform,firewalls.Currently working as a Senior Administrator. OS flavours : Centos/Cloudlinux/Ubuntu/debian/Windows # cPanel /WHM /Plesk Control Panels. # Server Security Management. # SolusVM … more

    I am a System and network Administrator, who have an experience of 4 years in Linux platform,firewalls.Currently working as a Senior Administrator. OS flavours : Centos/Cloudlinux/Ubuntu/debian/Windows # cPanel /WHM /Plesk Control Panels. # Server Security Management. # SolusVM Master and Slave (OpenVZ, Xen and KVM) installation and configuration. # VPS Migration between SolusVM Slaves. # Migration: Online OpenVZ Server migration/cPanel/Plesk. # Hardware RAID setup and troubleshooting. # Managing and configuring backup tools idera/Amazon backup s3 # Custom package installation FFMPEG/RED5 # DDOS prevention and detection # Mail Server Exim/Qmail # Apache/MySQL optimization #PHP Programming # Troubleshooting Level 1-2-3 issues including control panels like (cPanel/WHM, Plesk) # MySQL database and user creation, Tweak MySQL for optimum performance, Repairing crashed databases and tables, Database backup and Restoration # Monitor Load average, process, uptime and suggesting fine tuning/system packages upgrade to ensure better performance. # Configure Firewall using IPtables, CSF and APF # Exploits detection and prevention: Server rootkits and malware scanning, running security updates for possible exploits and hack scripts.  less

    nagios raid-administration cpanel mysql apache-administration centos linux-system-administration domain-migration openvz puppet-administration 00 more less
    • $11.00 HOURLY RATE
    • 5.0
    • 56 HOURS
    • INDIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • Linux System Administrator, Streaming Expert

    I am experienced in: • Linux Server Management. • PHP Web Development. • Search Engines’ Optimization (SEO). Personal Statement: I am a self-motivated character, ambitious, hard worker and time manager. Personal Skills: · Good communication skills. · Able to work accurately and neatly. · Good organizational … more

    I am experienced in: • Linux Server Management. • PHP Web Development. • Search Engines’ Optimization (SEO). Personal Statement: I am a self-motivated character, ambitious, hard worker and time manager. Personal Skills: · Good communication skills. · Able to work accurately and neatly. · Good organizational skills. · Able to work with minimum supervision. · Able to communicate information accurately. · Can work under pressure and meet deadlines.  less

    php centos wordpress video-streaming linux-system-administration shoutcast wowza-media-server radio-broadcasting vpn openvpn 00 more less
    • $35.00 HOURLY RATE
    • 5.0
    • 0 HOURS
    • EGYPT
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 1 TEST
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