Linux System Administrators & Developers

Showing 3,062 freelancers

Linux System Administrators & Developers

Showing 3,062 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

  • GNU/Linux system administrator

    Hello, my name is Arseniy Chernyakov. I have four years of experience in the field of professional system administration (small & medium office networks, 2000+ hosts university network), network planning, server, website and database administration. As a professional, my #1 goal … more

    Hello, my name is Arseniy Chernyakov. I have four years of experience in the field of professional system administration (small & medium office networks, 2000+ hosts university network), network planning, server, website and database administration. As a professional, my #1 goal will always be to meet your needs and deadline. When working on a new project, I like to speak with the client, so that I can have a clear understanding of his/her needs and vision of the project. I have 6 research publications on the subject of backup mechanics and algorithms, network security, highload systems and cryptographic protocols. Please take a look at my work history for comments from other clients, as well as oDesk test results. Thank you in advance for your time and consideration. I look forward to working with you soon. Listed below are my experience and skills: * OS: Windows Sever 2003, 2003 R2, 2008, 2008 R2, 2012; Windows XP, Vista, 7, 8; Debian 5-7; CentOS 5, 6, 7; Ubuntu (desktop 10.04-14.04, server 12.04-14.04); Arch, Slackware, Gentoo; Mac Os X * Coding: C/++, bash, powershell, HTML/CSS/PHP, SQL * Stacks: LAMP, WAMP, Denver * Web servers: Apache, Nginx * Databases: MySQL, PostgeSQL, Micosoft SQL (MSSQL) Server, Oracle database 12c+ * Backup services: Bacula, BackupPC, Amanda, Windows Backup (wbadmin), self-written scripts * VCS: Git, SVN * Domain administration: Active Directoy, Samba * Mailservers: Postfix, Dovecot * Mail tech: spamassassin, SPF, DKIM, un-blacklisting * Netwok secuity: fail2ban, snort, Sqiud, ClamAV  less

    unix-system-administration firewalls tcp-ip network-administration linux-system-administration network-security mail-server-implementation apache-administration lamp-administration microsoft-active-directory 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 34 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 7 TESTS
  • Linux,Windows,System Admin, cPanel/WHM,Plesk Expert, Nginx,Apache,AWS

    Working as a System Administrator for webhosting clients and undertaking system administration work in Linux and Windows servers. Experience in Linux / Windows server administration. Expert in LAMP Administration DNS management (Registrar end and Hosting end), Mail Services (Postfix, Qmail, Exim … more

    Working as a System Administrator for webhosting clients and undertaking system administration work in Linux and Windows servers. Experience in Linux / Windows server administration. Expert in LAMP Administration DNS management (Registrar end and Hosting end), Mail Services (Postfix, Qmail, Exim, Mail enable), Advanced knowledge and experience in handling Plesk and cPanel . Experience in server migration Virtualization ( Parallels Virtuozzo/openVZ) Expert in Perl and Bash scripting.  less

    apache-administration linux-system-administration windows-administration cpanel plesk iis nginx postfix wordpress amazon-web-services 00 more less
    • $7.00 HOURLY RATE
    • 5.0
    • 96 HOURS
    • INDIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 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
    • 51 HOURS
    • INDIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • 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
    • 160 HOURS
    • BELARUS
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 2 TESTS
  • system administrator

    As a Network / Systems Engineer. I can help troubleshoot most network issues on WAN / LAN with almost any network device vendor, administer Windows and Linux server environments from one small business with multiple locations. I can also help recommend and … more

    As a Network / Systems Engineer. I can help troubleshoot most network issues on WAN / LAN with almost any network device vendor, administer Windows and Linux server environments from one small business with multiple locations. I can also help recommend and provide guidance to secure all aspects of data and network integrity, by providing assessments and audits of current environments. I has experience with a variety of software: * Distribution based on linux: debian-like, arch, gentoo, centos, etc .; windows; openBSD. Installing, configuring, updating, monitoring, detection, followed by elimination problems of hardware and software , support for up to date. * Virtualization: libvirt, kvm, virtualbox, docker, systemd-nspawnd * Firewall: iptables and others. * Vfs: samba, nfs, ftp, tftp, pxe * Various network services: ntp, dhcp, dns * Remote Access: ssh, rdp, vnc * Proxy server squid + rejik + lightsquid * Monitoring and analysis: cacti, zabbix, wireshark, tcpdump, ntop. * Print Server cups * Web server,: apache, nginx. * Database management systems: MySQL, PostgresQL, Firebird, Sqlite * Backup: rsync-based, tar, dd * More user and server software technology: * TCP/IP, OSI Programming languages: * PHP, HTML * Python, unix shell  less

    linux-system-administration windows-administration openvpn zabbix tcp-ip virtualization network-monitoring bash-shell-scripting sql firewalls 00 more less
    • $9.00 HOURLY RATE
    • 5.0
    • 5 HOURS
    • BELARUS
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 9 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
  • Linux Administrator

    I'm fully working from the last 5+ years as a Linux Administrator .I'm well experienced in Linux Server administration tasks in the production and development environments - Have excellent knowledge and hands on experience in Apache, Tomcat ,Nginx, Qmail … more

    I'm fully working from the last 5+ years as a Linux Administrator .I'm well experienced in Linux Server administration tasks in the production and development environments - Have excellent knowledge and hands on experience in Apache, Tomcat ,Nginx, Qmail, Sendmail, postfix, Mysql, Postgresql, FTP, Samba, SVN, Git, Asterisk, Elastix, CouchDB, Pfsense firewalls,load balancers, Amazon EC2, HP cloud, Openfire chat, Nagios servers, Mysql replication, Squid proxies etc.., Good knowledge in shell scripting. Also can perform server auditing, optimizing and tunings. Also provide Linux Training for freshers and others who wanted to well familiarize with the Linux server administration core areas.  less

    linux-system-administration 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 6 HOURS
    • INDIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 2 TESTS
  • Senior Linux System Administrator

    Providing administration and technical support to web hosting clients via chat and ticketing. Handle different levels of technical issues with servers. Optimizing the server. Familiar with Vituozzo, WHM and cPanel. Configuring and managing users groups, permission levels etc. Backup and … more

    Providing administration and technical support to web hosting clients via chat and ticketing. Handle different levels of technical issues with servers. Optimizing the server. Familiar with Vituozzo, WHM and cPanel. Configuring and managing users groups, permission levels etc. Backup and Recovery of servers. Installation and Administration of Apache, PHP, MySQL. Apache, PHP recompilations to add-on new modules. Excellent experience in various webhosting and Cloud platforms including AWS / Azure / Vcloud / Rackspace etc. I can also handle development tasks using php, codeignitor, Magento, Wordpress etc.  less

    cpanel linux-system-administration plesk virtuoso mysql phpmyadmin mail-server-implementation apache-administration exim php 00 more less
    • $16.67 HOURLY RATE
    • 5.0
    • 132 HOURS
    • INDIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 2 TESTS
  • Senior IT Specialist

    Hi, my name is Roman, I'm a Senior IT Specialist in a huge russian company Mail.ru Games, and I have a lot of experience(about 10 years) in Linux-like operation systems. Also I'm a leader of cyber … more

    Hi, my name is Roman, I'm a Senior IT Specialist in a huge russian company Mail.ru Games, and I have a lot of experience(about 10 years) in Linux-like operation systems. Also I'm a leader of cyber security team, which took part in many CTF competitions. I like my job and people and I can help you for a decent pay. Keywords: Linux, Unix, FreeBSD, databases, postgres, postgresql, mysql, percona, dbms, web server, apache, nginx, shell scripts, bash, zsh, mail servers, filesystems, ext2, ext3, ext4, python, ruby, ror, rails, ruby on rails, information security, dns, bind. bind9, named, dhcp, isc-dhcp-server, nfs, cifs, samba, smb, ssh, ftp, vsftpd, proftpd, zabbix, nagios, monitoring, hacking, security, firewall, iptables, netfilter, ipfw, network, backup  less

    unix-system-administration unix-shell mysql postgresql ruby nginx linux-system-administration network-security penetration-testing apache-administration 00 more less
    • $25.00 HOURLY RATE
    • 5.0
    • 4 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 4 TESTS
  • Linux system administrator,Netwoking

    I have experience with : DigitalOcean,Linux-based system, shell scripting. High-available ,LoadBalancing,virtualization. Server panel,nginx,apache,php-fpm,MySQL,MariaDB,FTP,DNS,networking and more softwares. Openstack VoliaCLOUD Performing,optimization. Simple debug,strace,dtrace,logs. Knowledge interaction with kernel,memory. Build from source

    linux-system-administration nginx virtualization bash-shell-scripting dns haproxy kvm vmware-esx openvpn openvz 00 more less
    • $15.00 HOURLY RATE
    • 4.9
    • 4 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 2 TESTS
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