Linux System Administration Freelancers

Showing 11,548 freelancers

Linux System Administration Freelancers

Showing 11,548 freelancers

Get Your Linux System Administration Project Started Today!

Post your Linux system administration project on oDesk and find Linux experts and system administrators to assist you with your Linux server installation, configuration, maintenance and technical support tasks. These experienced consultants can manage your Linux network and infrastructure security or perform backups and security scans or updates and identify threats on your Linux OS system. They can also deploy web applications, eCommerce systems and content management systems on your Linux server, or migrate your virtual machine to a physical Linux server. You can also find a professional Linux sysadmin, experienced in system monitoring and control tools, to manage and optimize your Linux-based server farm.

Linux is a collection of free and open-source, cross-platform, Unix-like operating system distributions, among which the most widely known are Ubuntu, Red Hat and Slackware. On oDesk, the world’s largest online workplace, you can find experienced Linux system administrators to set up dedicated Linux web servers, install web hosting control panels (like ZPanel, Plesk, cPanel or DirectAdmin), set up SQL databases and file managers or configure Linux server security and accounts.

Browse Linux System Administration job posts for project examples or post your job on oDesk for free!

Linux System Administration Job Cost Overview

Typical total cost of oDesk Linux System Administration projects based on completed and fixed-price jobs.

oDesk Linux System Administration Jobs Completed Quarterly

On average, 612 Linux System Administration projects are completed every quarter on oDesk.

612

Time to Complete oDesk Linux System Administration Jobs

Time needed to complete a Linux System Administration project on oDesk.

Average Linux System Administration Freelancer Feedback Score

Linux System Administration oDesk freelancers typically receive a client rating of 4.78.

4.78

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
    • 485 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 6 TESTS
    GROUPS:
  • Embedded Linux developer

    Linux kernel developer: writing kernel device drivers, porting kernel to new platforms. Author and ex-maintainer of S3C2416 (Samsung's ARM-based SoC) support in mainline kernel. Co-founder and former kernel developer in the OpenInkpot project (open source firmware for eInk e-book … more

    Linux kernel developer: writing kernel device drivers, porting kernel to new platforms. Author and ex-maintainer of S3C2416 (Samsung's ARM-based SoC) support in mainline kernel. Co-founder and former kernel developer in the OpenInkpot project (open source firmware for eInk e-book readers, now abandoned). Good skills in Linux system and network administraton. I have expierence in creation of custom Linux distributions (mainly for embedded systems) and build-systems. Embedded development: hardware prototyping, firmware writing. I have expierence with many (ARM,MIPS,PowerPC)-based SOCs, AVR microcontrollers, digital schematics design and debugging. Languages: C, Ruby, Unix shell, JavaScript, assembler for various archs... My patches in various OpenSource projects: http://bit.ly/1e4ad7z github repos: https://github.com/jekhor?tab=repositories  less

    embedded-linux driver-development embedded-systems atmel-avr c embedded-c ruby ruby-on-rails linux-system-administration 00 more less
    • $22.22 HOURLY RATE
    • 4.7
    • 143 HOURS
    • BELARUS
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 2 TESTS
  • RedHat/CentOS linux system administrator.

    I'm a RedHat/CentOS linux system administrator, skilled in HA RHEL cluster, RHEL KVM virtualization. I have experience with: - Zabbix; - Sendmail; - OpenLDAP; - Dovecot; - XBMC/Kodi/OpenElec. … more

    I'm a RedHat/CentOS linux system administrator, skilled in HA RHEL cluster, RHEL KVM virtualization. I have experience with: - Zabbix; - Sendmail; - OpenLDAP; - Dovecot; - XBMC/Kodi/OpenElec.  less

    linux-system-administration rhel centos 00 more less
    • $11.11 HOURLY RATE
    • 5.0
    • 0 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 4 TESTS
  • System Administrator (Linux)

    Hi, my name is Anton Yushkov. In my portfolio, there are a few scripts that I developed. But I don't know how I can show my sysadmin jobs, not all of them have a frontend. I believe my strong … more

    Hi, my name is Anton Yushkov. In my portfolio, there are a few scripts that I developed. But I don't know how I can show my sysadmin jobs, not all of them have a frontend. I believe my strong points are my Knowledges, Educability (there are a lot of tools in the world that I didn't know previous), and Punctuality. My #1 goal is always be to meet your needs at deadline. When I start new project, I like to speak with the client to take a whole and clear understanding of his/her needs and vision of projects. So I can choose the best way to reach the client's needs. I strive to help more fully and accurately. Since 2008, I've been a system administrator of windows and linux systems. It is servers for office local networks and internet sites and services. Also in 2011, I got RHCSA certificate, so since 2011 I've been specializing in linux systems. System administration - is the complex way, so I can do a lot of various jobs, but I prefer setup servers, configure automating self-support (backups, checks, other) and write scripts (bash, python). Please take a look at my work history for comments from other clients. Thank you in advance for your time and consideration. I look forward to work with you soon. I have a degree Engineer of Automation, Remote Control and Communication from University of Railways. Listed below are my experience and skills: - Web servers: apache, nginx, proxy-sites (apache and nginx), ssl. - DB: installation and setup of postgresq and mysql. Also mongodb and sybase. - Security Linux servers: iptables/ufw, openvpn, fail2ban and other. - Backup: duply (duplicity), bacula, bash scripts. - Monitoring: zabbix, cacti, xymon (hobbit). - Virtual servers: ESXi, VBox, Hyper-V, KVM. - Management server: CFEngine, ansible, - Mail: exim, dovecot, roundcube. - VOIP: Asterisk - Elastix. - Program languages: python, bash, php, perl, bat and other if need. My greate job is local network of developer company: ESXi servers with vm's and one NAS for backups. Services: Subversion (legacy) Gitlab Nexus Sonatype YouTrack TeamCity OpenGrok (search of code) Crucible (code review) gateway with proxy-site for all services and Active Directory authorization. mail (exim+dovecot+roundcube+postfixadmin) some self-writed services (autogenerate openvpn keys, signes for e-mails) time sheet service and others. All of it have a backup local and offsite with automate scripts and howto's for restore in case a fire in the office J  less

    linux-system-administration vmware-esx unix-system-administration unix-shell python bash iptables redhat-administration javascript tcp-ip network-administration 00 more less
    • $22.22 HOURLY RATE
    • 5.0
    • 66 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 7 TESTS
  • System Administrator | IT Consultant | DevOps

    When you need: professional system administration, - accurate deployment, - high availability, - efficient performance optimization, - configuration management or you just want to talk about some IT stuff. Come on, you are welcome. Just write a message. I will glad to help. P … more

    When you need: professional system administration, - accurate deployment, - high availability, - efficient performance optimization, - configuration management or you just want to talk about some IT stuff. Come on, you are welcome. Just write a message. I will glad to help. P.S. Ready to start working at your project right now. -- Skills -- OS's: Linux (Archlinux, Debian, Ubuntu, Centos) Windows (servers and workstations) Mac OS X Network technology: Deep understanding OSI model Deep understanding of the principles TCP / IP protocol stack Installing and configuring network devices. Networks troubleshooting . Well developed skills in building Ethernet networks Maintenance and optimization, network hardware Network Software: Web server: nginx, apache File servers: samba, vsftpd, nfs Revision control software: mercurial, git Bug trackers: youtrack, jira IM: ejabberd, openfire Mail servers: postfix, dovecot, Continuous integration: jenkins DNS: bind, nsd Firewaals: iptables, ipfw, kwf Backup: bacula, fog Directory Servers: 389 server, active directory Monitoring system: zabbix nagios Proxies: squid, kwf VPN servers: openvpn, pptpd, strongswan Databases: mysql, postgresql, mongodb, redis Virtualization: aws ec2, proxmox, kvm, qemu, libvirt, convirt Programming Languages: bash, Python cmd  less

    linux-system-administration nginx amazon-web-services network-administration ldap mercurial git continuous-integration magento 00 more less
    • $23.00 HOURLY RATE
    • 5.0
    • 40 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 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
    • $20.00 HOURLY RATE
    • 5.0
    • 0 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 2 TESTS
  • Expert Linux SysAdmin/DevOps

    Linux user and administrator with 20 years of experience. Focused on Debian and Debian-based distributions, but also comfortable with RPM-based ones such as CentOS and other Red Hat derivatives. Excellent understanding of networking. Regularly manage sizable installations of LAMP-stack servers … more

    Linux user and administrator with 20 years of experience. Focused on Debian and Debian-based distributions, but also comfortable with RPM-based ones such as CentOS and other Red Hat derivatives. Excellent understanding of networking. Regularly manage sizable installations of LAMP-stack servers, as well as more contemporary engines and development languages such as Node.JS, Python and to an extent Ruby. Solid working knowledge of the tools of the trade such as git, orchestration and management systems like ansible and fabric, various monitoring and metric gathering solutions (Nagios-like, Graphite, others). Regularly manage hundreds-of-gigabytes production installations of MySQL (mostly Percona builds); familiar with PostgreSQL, Redis, MongoDB. Good working knowledge of Amazon Web Services (multiple subsystems, including but not limited to EC2, S3, DynamoDB, RDS, SNS, ElastiCache).  less

    linux-system-administration debian-os amazon-web-services amazon-ec2 amazon-rds mysql nginx unix-system-administration 00 more less
    • $40.00 HOURLY RATE
    • 5.0
    • 12 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 5 TESTS
  • 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
    • 4.9
    • 13 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 9 TESTS
  • Linux System Administrator / AWS / Network

    I'm a self-motivated, reliable Linux System Administrator with strong work ethics. I have more than 6 years of experience, managing and analyzing hundreds of Linux servers. Certifications: • RHCSA: Red Hat Certified System Administrator • Linux+: Linux Certified Professional • Security+: Security … more

    I'm a self-motivated, reliable Linux System Administrator with strong work ethics. I have more than 6 years of experience, managing and analyzing hundreds of Linux servers. Certifications: • RHCSA: Red Hat Certified System Administrator • Linux+: Linux Certified Professional • Security+: Security Certified Professional Specialties • Linux Servers (CentOS, RedHat, Debian, Ubuntu); • Cloud Computing (VMware ESXi, Amazon AWS - EC2, ELB, RDS, VPC, CloudWatch, Auto Scaling); • Shell Scripting; • PHP/MySQL Programming; • MySQL Administration; • WHM/cPanel; • Linux Maintenance/Troubleshooting; • Server Hardening; • Server Optimization/Tuning; • Highly Scalable Servers • HAProxy Load Balancers • Web Servers (NGINX, Apache, IIS); • High Traffic Server Optimization; • Munin Monitoring; • Infrastructure Design and Implementation; • Colocation Management; • F5 BigIP Load Balancers, Cisco Switch, Juniper Firewall; • Server Pricing Negotiation (renting or buying); • Help with hiring developers and sysadmins; • Languages (English, Portuguese and Spanish); • Team Player; and some more...  less

    varnish-cache apache-administration nginx mysql dns network-security clustering vmware-esx linux-system-administration performance-tuning php wowza-media-server database-administration video-streaming virtualization whm whmcs load-balancing load-testing vpn 00 more less
    • $55.00 HOURLY RATE
    • 5.0
    • 240 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 2 TESTS
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