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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, 131 CentOS projects are completed every quarter on Upwork.

131

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 4.86.

4.86
Last updated: September 1, 2015
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  1. Alexandru Stan

    Alexandru Stan

    SYS Admin - Linux ,Cpanel WHM, Plesk, AWS, Cloud

    Romania

    Over 8 years experience with Hosting Environments { Linux , Windows } Linux : * various linux distributions : Redhat/Fedora, CentOS, Debian/Ubuntu, Slackware,SUSE,,BSD etc. * Control Panel : Cpanel WHM / Plesk / ISPconfig / etc . * networking environment * Magento Server Layer optimization and software level * security,penetration testing, firewalls,routers,vpn * databases (Mysql,MariaDB, Percona Mysql,Informix,ODBC etc) * virtualization * amazon backup services (S3) * monitoring (cacti, nagios/icinga, zabbix, munin etc) * web servers Apache, Nginx , PHP-FPM, FastCgi etc * web sites speed optimizations : google pagespeed, SPDY,lossless image optimization, ram caches,database optimizations, APC, Memcached etc Versed in PHP , HTML , CSS fixes , exploit patches and more . Thank you Alex

    $30.00 /hr
    96 hours
    4.98
  2. Artur R.

    Artur R.

    Systems Engineer/DevOps

    Canada - Tests: 4

    I am a Experienced Systems Engineer/DevOps with more then 15 yrs experience with Linux, Opensource and cloud technologies. I do have experience and offer my services in these areas: System Administration: Linux-all flavours (expert), BSD*(expert) Automation: Chef, Puppet, Jenkins Monitoring: Zabbix, Cacti, Munin, Nagios,Graphite Mail services: Postfix, Exim, Dovecot Virtualization: Xen, KVM, OpenVZ, Proxmox, AWS, Docker High availability: DRBD, GFS2, GlusterFS, Pacemaker, Heartbeat Common services: DNS, DHCP, File Sharing, NAT, iptables, ipfw Scripting: Bash, Python, Ruby Web servers: Apache, Nginx, Haproxy Database servers: MySQL, PostgreSQL, MongoDB,Oracle, RDS BigData: Elasticsearch,Hadoop CDN: Akamai, Cloudflare

    $40.00 /hr
    9 hours
    4.94
  3. lee daniel

    lee daniel

    3 Amazing Developer Apple Watch | iOS | Android

    China - Portfolio: 2

    Hi, Dear My Potential Clients! My goal is to make You Win in the IT world. With all of my competencies and creativity, I work hard to deliver an Excellent Competitive Solution to you. The long involvement in web development allowed me to have rich and deep insight into every aspect of web technology. My skill set is based on a strong combination of good education along with rich development experience and would be always up-to-date with new technologies. As a freelancer, my goal is to be a valuable developer who could add real value to my clients. Your SUCCESS is my SUCCESS! Let's WIN-WIN in IT world. I look forward to a long term relationship with you based on trust. Thank you for reviewing my profile.

    $38.00 /hr
    0 hours
    5.00
  4. Andrii K.

    Andrii K.

    System Administrator

    Ukraine - Tests: 5 - Portfolio: 5

    Last 6 years I have engaged in system administration using Apache2, Nginx, PHP, Perl, Python and MySQL including sites for startup companies and small businesses. extensive experience in the deployment of sites and projects of varying complexity, and I am seeking opportunities help you to build your business. I have great experience in: - Linux maintaince/troubleshooting: Debian, CentOS, Gentoo, Ubuntu, RHEL etc - Apache2 + Nginx, Nginx + PHP-fpm, Nginx + PHP-fastcgi, MySQL, Varnish, Memcached. - Linux serverside: iptables, rsync, Bind, OpenVPN, - Mail: Exim, Dovecot, Postfix. - Cloud Hosting: Digitalocean, RackSpace, Amazon (EC2, AWS, S3), Linode, GoDaddy - Hosting providers : Softlayer, Hetzner. - Backup/Migration - Hosting panels : Plesk, whm\cPanel, ISP , DirectAdmin, Virtualmin - Virtualization: Xen, KVM, OpenVZ, Proxmox - Monitoring: Zabbix, Munin, Cacti, Nagios - CMS : Wordpress, Drupal, Magento, Joomla, CS-Cart

    $30.00 /hr
    2,223 hours
    4.99
  5. Sergey Kogut

    Sergey Kogut

    Sr Windows and Linux Systems Admininstrator

    Ukraine - Tests: 1

    Hello, I'm a System Administrator with 11+ 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 :)

    Groups: Bluehost Developers and Designers

    $22.22 /hr
    144 hours
    4.90
  6. Daniel Yavorovich

    Daniel Yavorovich

    System Administrator

    Ukraine - Portfolio: 1

    Operating Systems ● FreeBSD ● Linux Security ● iptables ● openssl ● jail ● clamav ● mod_security ● mod_clamav DNS ● Bind ● PowerDNS (+PostgreSQL / +MySQL) HTTP ● Apache ○ MPM: prefork, worker ○ mod_ssl, mod_php, mod_wsgi ● Nginx ○ Access control ○ Autoindex ○ Fast-CGI ○ uWSGI ○ Proxy ○ Cache ○ SSL ○ upload_progress_module ○ Control panel integration ■ Virtualmin ■ DirectAdmin ■ Plesk Proxy ● squid ○ basic auth ○ transparent proxy ○ cache ● 3proxy ○ http/socks ○ auth Raid ● Linux ○ md(0,1,5,6,10) ● FreeBSD ○ Gmirror / Striping File Systems: ● Ext 2,3,4 ● ReiserFS ● XFS ● OCFS2 ● ZFS (port to FreeBSD) ● CEPH CVS ● SVN ● Mercurial ● GIT ○ GitLab ○ GitoLite Backup ● rsync ● BackupPC ● Bacula FTP ● ProFTPd ● VSFTPD File sharing ● NFS ● SAMBA Control Panel ● Direct Admin ● Webmin+Virtualmin ● CPanel ● ISP-config ● Plesk Automatization ● Puppet ● Saltstack Monitoring ● Zabbix ● Nagios ● Munin ● Monit Network Understanding of theoretical and practical foundations of the networks (Data link, Network, Transport, Application Layers). VPN ● OpenVPN ● PPTP Database (SQL) ● MySQL (+MariaDB, +Percona) ● PostgreSQL Database (NoSQL) ● ElasticSearch ● Riak ● MongoDB ● Cassandra ● Redis Virtualization & Containerization ● KVM ● XEN ● OpenVZ ● LXC ● Docker ● Vagrant Cluster ● DRBD ○ master-slave ○ master-master (+ocfs2) ● Heartbeat ● Pacemaker Development ● actively use: ○ shell (bash, sh) ○ Python ● Frameworks ○ Django ○ Flask ○ Twisted ○ Tornado Cloud Solutions: ● AWS (EC2, S3, CloudFront, Route53) ● DigitalOcean ● RackSpace

    $33.33 /hr
    45 hours
    5.00
  7. Giorgi Javakhidze

    Giorgi Javakhidze

    MCITP | Vmware | Windows - Linux Systems Administrator

    Georgia - Tests: 6

    In the last 3 years, I have administered many IT networks, managing over 1000+ users. My core competency lies in complete managing of windows - linux based networks, including Active Directory, Exchange, MS-SQL, virtual clouds, based on VMware / Hyper-V and EVA Storage Area Network. I have deep experience in the following software solutions: Basic server services ( DNS, DHCP, WSUS, Vpn, etc. ) Windows 2003/2008 Server Windows 2003/2008 Active Directory Lync Server, Exchange Server, SharePoint Server. Monitoring: SCOM, Nagios Web Server: IIS, Apache Mail Servers : MDaemon, Postfix. Database: MSSQL, MySQL. Proxy / firewall solutions ( Squid, TMG, ISA ) VMware vShere and vCloud: ESXi, vCenter, vCloud Director, vShield

    $15.00 /hr
    183 hours
    5.00
  8. Sergei L.

    Sergei L.

    Database engineer & system architect

    Russia - Tests: 6

    My experience: - Creation architecture of www.ximad.com - working now in www.cs-cart.com as system architect Strong knowledge: - CentOS(RedHat), Debian, openSuSE - Nginx, Apache - Bash, PHP - MySQL - Amazon AWS( S3, EC2, SNS, CF, RDS ) Work with: - Memcache / Redis - MongoDB I've had various expirience with high-load servers and architectures and I'm looking for non-standard, complex work, that should be interesting for me. If I'll really like your task , I could give you even a discount :-) Profile on the stackoverflow: http://stackoverflow.com/users/1032042/sergei-lomakov

    Groups: Coding Champs, Microsoft Certified Professionals

    $30.00 /hr
    134 hours
    4.96
  9. Sergey P.

    Sergey P.

    VoIP and Linux Engineer

    Russia - Tests: 5

    OS: linux (gentoo, debian, centos ...), FreeBSD over 10 years using/administration Lang: perl, lua, shell (java, ruby, erlang studying) VoIP: asterisk, freeswitch, gnugk, kamailio/ser (over 7 year administration) PBX: Si2000 (v.5), Definity administration (SS7, ISDN) DB: mysql, postgresql Sec: DMVPN, IPsec, OpenVPN Publish: LaTeX

    $30.00 /hr
    76 hours
    5.00