CentOS Freelancers

Showing 1,438 freelancers

CentOS Freelancers

Showing 1,438 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, 129 Centos projects are completed every quarter on oDesk.

129

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: February 1, 2015

  • 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
    • $20.00 HOURLY RATE
    • 5.0
    • 15 HOURS
    • MONTENEGRO
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 12 TESTS
  • AWS Solution Architect/Linux System Administrator/Devops

    Having more than 8 years of experience in Linux/Unix IT world, from installation, configuration of OS, packages, designing High Available (HA) and Salable environments. Worked for various clients and domains - IT Telecom, Mobile and Pharma clients. More than 4 … more

    Having more than 8 years of experience in Linux/Unix IT world, from installation, configuration of OS, packages, designing High Available (HA) and Salable environments. Worked for various clients and domains - IT Telecom, Mobile and Pharma clients. More than 4 years of experience in Amazon Web Services ( AWS ), EC2, RDS, VPC, S3, Elastic Beanstalk , SQS, SNS , SES , Route 53, IAM , Cloud watch. Designed and implemented HA and Auto Salable environments. Worked on Hardening security, Cost optimization and Performance Optimization. Load Balancing, Backup and Disaster Recovery ( DR ) environments.Automation process with chef / Puppet / AWS elastic beastalk heavily with 0 downtime deployment Managed and monitored 100+ VMs for 20+ clients using various tools and scripts. Automated environment backups, deployments, scaling using various tools, scripts and REST API command line tools. Built tools to Vertical and Horizontal scale in and out. Regular security audits, cost optimization, backup audits. I am always look for new challenges and love my work.  less

    linux-system-administration amazon-web-services amazon-ec2 amazon-s3 amazon-rds ubuntu redhat-administration centos windows-administration 00 more less
    • $25.00 HOURLY RATE
    • 5.0
    • 551 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 2 TESTS
  • Linux administrator with website migration and development experience

    Security analyst; Malware removal; Server securing; Server administration; Website migration; Server optimization; Website optimization. God of email. God of migration :)) 100% positive feedbacks, prooved experience and portfolio. I'm specialist of: System Administration, Linux (CentOS, Ubuntu, Debian), Security Setup, Domain … more

    Security analyst; Malware removal; Server securing; Server administration; Website migration; Server optimization; Website optimization. God of email. God of migration :)) 100% positive feedbacks, prooved experience and portfolio. I'm specialist of: System Administration, Linux (CentOS, Ubuntu, Debian), Security Setup, Domain Migration, Domain Fixing, Server/Website speed Optimization, MySQL, Website Development and other. My experience installing and configuring servers is about 15 years. I have several working projects developed by me and written by me. They are located on a server that is configured by me. In addition, I have experience of writing various scripts, experience network security, installation and optimization of MySQL, etc. I hope I will be the best choice to start your project from scratch, even if he plans to be heavily loaded. My primary skills: 1) Migration skills: complete domain migration from legacy to new platform, including web content, email, database, DNS. 2) SEO skills: search optimization, including server setup and source-code optimization. 3) Website creator skills: using CMS or just plain editor, experience with heavyload projects. 4) Linux system administration skills: server setup, web-servers administration(apache, lighttpd), database optimization for heavy-loaded projects. Experience with cluster system, and rpm\deb based Linuxes. 5) Security analysis skills: searching of malware, checking vulnerabilities, website security, detecting outside intrusion or leaks etc. 6) Backup and recovery skills: backup and restore webcontent, email, using my own software or generic applications. I'm seeking for following projects: 1) System administration 2) Domain migration 3) Website developpment 4) Search Engine Optimization 5) Security administration 6) Server setup  less

    linux-system-administration bash-shell-scripting domain-migration mysql php centos lamp-administration dns wordpress cpanel 00 more less
    • $15.00 HOURLY RATE
    • 4.9
    • 10 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 5 TESTS
    ASSOCIATED WITH:
  • Senior Linux System Administrator

    Total of 6 year and 2 months experience as Systems Administrator with experience in Sun Solaris, Red Hat Enterprise Linux, and Windows.Good working knowledge in UNIX/Linux Command Line Interface and Network Services as well as control panels and Openstack.

    linux-system-administration computer-networking network-administration centos mysql java cpanel plesk vmware-administration openstack 00 more less
    • $16.67 HOURLY RATE
    • 5.0
    • 29 HOURS
    • INDIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 1 TEST
  • Network/System Engineer

    More than 12 years experience with Linux Red Hat/CentOS and Debian/Ubuntu. I've done many big migrations from 1 website with a couple of MB's till thousands of websites with 80GB+. I prefer working directly on servers … more

    More than 12 years experience with Linux Red Hat/CentOS and Debian/Ubuntu. I've done many big migrations from 1 website with a couple of MB's till thousands of websites with 80GB+. I prefer working directly on servers (via ssh access), but am also familiar with Plesk and cPanel/WHM. As a certified Linux Professional (lpi.org) I like working with bash as scripting language. I am also a network professional (CCNP security (Cisco)) and certified MySQL dba. I only do jobs which I can solve!  less

    postfix centos ssl ftp ssh tcp-ip apache-administration mysql bash ffmpeg nagios pci-compliance plesk ubuntu phpmyadmin dns 00 more less
    • $33.33 HOURLY RATE
    • 5.0
    • 34 HOURS
    • NETHERLANDS
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 5 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

    unix-shell linux-system-administration tcp-ip centos ubuntu postfix sendmail apache-administration nginx mysql ruby php python virtualization jenkins capistrano nagios bash 00 more less
    • $28.00 HOURLY RATE
    • 5.0
    • 8 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 8 TESTS
  • Linux System Admin | Tech Support | cPanel Specialist

    I have more than 5 years working as a Linux systems administrator specializing in management for cPanel based servers in both virtual and dedicated environments. Stronger areas: Operating Systems: CentOS / Fedora / CloudLinux Control Panels: cPanel / Direct Admin / SolusVM / Kloxo Billing … more

    I have more than 5 years working as a Linux systems administrator specializing in management for cPanel based servers in both virtual and dedicated environments. Stronger areas: Operating Systems: CentOS / Fedora / CloudLinux Control Panels: cPanel / Direct Admin / SolusVM / Kloxo Billing Systems: ClientExec, WHMCS, HostBill Database: MySQL / MariaDB Web Server: Apache / LiteSpeed / Nginx Virtualization: OpenVZ / XEN / KVM Various Others: cPanel DNS Clusters, Any work including the following: Initial setup of the server which includes configuring software/hardware raid, disk partitioning(LVM as well) Installing OS, Control panel, hardening/optimizing the server including firewall, rebuilding Apache / PHP, setup private name servers, migrating accounts to the server, ensuring all sites are working and make adjustments to server if necessary, make further optimizations to server to best fit the current environment.  less

    cpanel whm whmcs centos administrative-support customer-support helpdesk-support technical-support linux-system-administration mysql apache-administration php clamav exim firewalls redhat-administration fedora dns openvz kvm-virtualization email-technical-support nginx ftp nfs-implementation memcached 00 more less
    • $38.89 HOURLY RATE
    • 5.0
    • 8 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 1 TEST
  • 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 / Database Administrator

    8 years in Unix/Linux system administration - Designing infrastructure solutions - Linux/FreeBSD system administration - Cloud Administration (OpenStack, VMware) - LAMP stack administration - Load balancing concepts and technologies - Experience in shell scripting - System monitoring/logging - Clear written and verbal communication 3 years … more

    8 years in Unix/Linux system administration - Designing infrastructure solutions - Linux/FreeBSD system administration - Cloud Administration (OpenStack, VMware) - LAMP stack administration - Load balancing concepts and technologies - Experience in shell scripting - System monitoring/logging - Clear written and verbal communication 3 years as Team Lead - Managing Infrastructure Team - Planning and prioritizing work - Developing people - Hiring and on-boarding the right talent  less

    firewalls linux-system-administration freebsd centos mysql cisco-asa mongodb apache-solr vmware-administration apache-administration nginx atlassian-jira atlassian-confluence magento 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 708 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 5 TESTS
    ASSOCIATED WITH:
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