Unix Programmers & Shell Scripting Developers

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Post your Unix shell project on Upwork and find freelance Unix system administrators and programmers to manage your OS administration or Unix shell script writing or modification. These experienced freelancers can create a custom shell for your Unix operating system, coordinate the migration process of your projects between Unix systems, develop shell scripts to implement system security policies (like Firewall), or modify your OS kernel to implement new functions. They can also redirect input and output to and from your Unix system, manage your processes, or import your .sh Unix shell databases into MySQL databases.

A Unix shell is a command-line interpreter and programming language that provides system administrators with a user interface for Unix and Unix-like systems. On Upwork, the world’s largest online workplace, companies hire Unix shell scripting developers to manage their Unix shell scripting and Unix platform-based application support and maintenance.

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Unix shell Job Cost Overview

Typical total cost of Upwork Unix shell projects based on completed and fixed-price jobs.

Upwork Unix shell Jobs Completed Quarterly

On average, 14 Unix shell projects are completed every quarter on Upwork.

14

Time to Complete Upwork Unix shell Jobs

Time needed to complete a Unix shell project on Upwork.

Average Unix shell Freelancer Feedback Score

Unix shell Upwork freelancers typically receive a client rating of 4.88.

4.88
Last updated: May 1, 2015

Popular Unix shell Searches

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  1. Oscar Bass

    Oscar Bass Agency Contractor

    Senior UNIX System Engineer, LAMP, LEMP, Network Security, Cloud.

    United States - Last active: 3 days ago - Tests: 7 - Portfolio: 1

    Expert UNIX system administrator and network engineer. Got a problem? I can solve it! For more than 15 years I have been the I.T. backbone and support for many online companies. I use the most up to date standards for any project I am involved in. I work extremely quick and efficiently. If you have a problem let me help you solve it. OS: Linux - Expert, FreeBSD - Expert, AIX - Expert, HP-UX - Expert, Macintosh OS/X - Expert, Windows Server - Proficient Cloud services: AWS, Rackspace, OpSource, Linode Web servers: Apache, Nginx, Tomcat Database servers: Mysql, Postgresql Monitoring: Nagios, Monit, Munin, Cacti Scripting: bash, perl, shell Virtualization: OpenVZ, Xen, SolusVM Mail servers: Postfix, Exim, Sendmail, Dovecot Control panels: cPanel, Plesk, Direct Admin, Webmin/Virtualmin, ISPconfig, OpenPanel Other: standard network services (DNS, DHCP, LDAP, Samba, SVN/Git, http proxy, jabber, backups, monitoring etc), firewalls (iptables, ipfw, pf)

    Associated with: Bass Designs Agency

    $44.44 /hr
    232 hours
    4.98
  2. Aaron Summers

    Aaron Summers

    Linux Cloud Engineer / 14 Years Real World Experience

    United States - Last active: 11 hours ago - Tests: 7 - Portfolio: 2

    Daily engineering and administration of OpenBSD, FreeBSD, Linux and Windows based operating environments. LAN/WAN: Experience identifying a large number of network and host based security problems. Stabilized the bandwidth billing system for accuracy and provided assistance to the web development team. UNX(tm)/Linux/BSD: Designed and built a custom Enterprises Data Ware House utilizing RedHat Enterprise Linux, IBM Information Server, and the Sun N1 toolkit. Back ported the RedHat clustering tools and GFS modules for RedHat Enterprise Linux 4. Customized the operating environment for running the IBM Information Server 8 family of applications, consisting of IBM DB2 V 9.3, IBM WebSphere 6.0, IBM DataStage and IBM QualityStage. Was the single onsite operations point for the HP-UX, Solaris, FreeBSD, MacOS X, and Linux machines. Wrote custom tools for monitoring and metrics. Fluent in the change management process as it relates to Sarbanes Oxley, internal, and external audits. Extensive documentation of custom applications, primarily our custom data warehouse solution. Designed and implemented the company's external web presence using Solaris 10. Utilized zones, the ZFS file system, and hardware RAID on the T2000 platform. Wrote my own tools in Perl, C, and the Bourne shell. Debugged many complex operational problems. Specialties Started running Linux around 1993, kernel was 0.99 Moved onto SunOS and Open/FreeBSD. Since have worked with HP-UX and SCO extensively. Currently work with RHEL, AMI Linux, CentOS, OpenBSD, EC2, Parallels, and Rackspace.

    $30.00 /hr
    5,568 hours
    4.97
  3. Minh N.

    Minh N.

    Server Admin/Linux/Unix/AWS Ec2/ Nginx /WordPress/Magento/Odoo

    Vietnam - Last active: 1 day ago - Tests: 7 - Portfolio: 4

    I have been Server Admin and Web Developer for over 10 years, I worked with many top-rated websites all over the world. I am expert with LEMP and LAMP system, very good at speeding up servers and sites. For some personal reasons, I MOVED back to Vietnam. I am also working at Elance and Freelancer. If you need references, please don't hesitate to contact me. http://vincosolution.com/ My Blog: http://blog.vincosolution.com/ My Linkedin: https://www.linkedin.com/profile/view?id=204192625 Security Portfolio: http://goo.gl/75iNSS http://packetstormsecurity.com/files/author/8194/ http://sangte.blogspot.com/ Hall of Fame: https://www.apachefriends.org/about.html - Linux maintaince/troubleshooting (RHEL, Centos, Debian, Ubuntu, FreeBSD, gentoo, Mac OS X Server) - Windows Maintaince / Troubletshooting (Windows Server 2003-2012, Hyper-V, Lync, SharePoint Server 2010-2013) - Virtualization: (Vmware Esxi 5.x, Openvz, Virtuozzo, Xen, KVM, Vserver) - Cloud hosting (Amazon EC2, AWS, S3, RDS, simple Cache) - Networking (dhcp, DNS:powerdns/bind/named, vpn: openvpn/pptp, firewalls: iptables/ipfw, qos, proxies, tcpdump) - Web servers (apache, nginx, lighttpd, tomcat, ssl installation and troubleshooting) - Caching ( apc/xcache/memcached/varnish/nginx) - Load Balancer (Nginx/Haproxy/Hardware LB) - Mail servers (exim, postfix, qmail, antispam/ antivirus: clamav/spamassassin/amavis, courier, dovecot) - Bulk marketing (Dkim, spf, high speed/inboxing, interspire) - Automation (puppet, perl/shell/awk scripting) - Monitoring (nagios, zabbix, munin) - Hosting Control Panels (Cpanel/WHM, Plesk, Directadmin, ISPconfig..). - Mobile Application (Android / iOS / Windows Phone)

    Groups: Bluehost Developers and Designers

    $38.89 /hr
    1,760 hours
    4.86
  4. Alexandru V.

    Alexandru V.

    Senior Linux Administrator

    Romania - Last active: 1 month ago - Tests: 4 - Portfolio: 2

    * Fully manage the installation, configuration and troubleshooting of Linux servers * Install and configure Web Servers and MySQL * Install and configure customer scripts and programs * Monitor performance to identify and resolve issues using a suite of systems and tools. * Troubleshoot and resolve network, system, hardware and software problems. * Achieve quick fixes and / or long-term solutions as needed. * Maintain 100% customer satisfaction through all available means.

    $20.00 /hr
    122 hours
    4.99
  5. Vinod C

    Vinod C

    Seasoned linux Administrator - Nginx , apache, cPanel, Shell scripting

    India - Last active: 2 days ago - Tests: 7

    Hello, I am Vinod and I have more than 10 year experience in managing Linux and cPanel servers. I have versatile experience in setting up and managing servers, optimising them for the best usage and fine tuning the security aspects. I am very good in migrating websites or applications from one server to another with lowest possible downtime. Along with that I use shell scripting to automate day-to-day activities. I have set up and maintained clusters of DNS servers, web servers using Apache / Nginx controlled by a Load Balancer, Db servers using MySQL / Percona /MariaDB with Master - Slave replication. I have also experience in setting up NFS server for remote storage. I can be available any time on all weekdays and can provide industry references if needed. Why you wont regret for hiring me. 1. I love what I do and I insist on doing it well. 2. I follow certain work ethics and 100 % privacy and confidentiality is promised. 3. I do not outsource my projects. 4. I use Linux PC and Laptop and hence my computer is free from virus. 5. Have more than 3 active internet connections. DSL, WiMAX, 3G x 2 . So no ISP issue I am 1. True professional. An engineer by profession and education. 2. I am honest. I don't boast on what I don't know. I know Linux and I know it well. 3. I would rather ask 100 questions than making mistakes. 4. NDA is fine. Can send it as a hard copy / fax / email. 5. I have many other things to do too and I value my personal life too. So no lame excuses or delay projects. I am efficient in my work. I believe " a stitch in time saves nine " completely. 6. I understand that what you are spending is your hard earned money. 7. I will be online on Skype / Gtalk / Yahoo / AIM and I will be available on email / phone. With my 8.5 year experience, I believe I can understand what is the requirement completely. I have been a help desk (Kayako, Perlbill, WHMCS, Cereberus ) tech for the last 6 and half years and I have been dealing with a lot of people ranging from technically sound server / network administrators and architects to laymen. I can effectively communicate in a language which is understandable to whom I am dealing with. Pasting below a briefing about my skills. my experiences include --Centos, FreeBSD, Ubuntu , Redhat -- PCI -- Nagios -- Apache , Nginx , Lighttpd , varnish cache -- Exim -- MySQL , Percona , MariaDB -- Bind -- NFS -- Shell scripting, Working over command line. -- Control panels like cPanel, Plesk, Webmin, zpanel -- Cloud operating systems like Applogic, Onapp. -- Working on KVM switch ( for installing OS / networking issue trouble shooting etc ) -- Server security , Firewalls, Mod Security --Customised server setup for Drupal , Wordpress , Joomla -- Documentation Skills And many other services / applications which are necessary for managing linux based servers and applications.

    $23.00 /hr
    1,246 hours
    5.00
  6. Ruslan K.

    Ruslan K.

    Magento PHP/MySQL WebDeveloper, SeoSpecialist

    Ukraine - Last active: 7 days ago - Tests: 23 - Portfolio: 7

    Over the last 9 years, I have developed a wide range of websites using HMTL, CSS, PHP and MySQL, Centos/Fedora webserver administration and optimization for high perfomance, Wordpress, Drupal, PrestaShop and Magento, SEO and GoogleAdwords, including sites for startup companies, small businesses and financial companies (invest funds and forex brokers). My core competency lies in complete end-end management of a new website development project, and I am seeking opportunities to build websites from the ground up for you or your business. I also have some experience in the following areas: SQL, Ajax, OOP, software design, Unix, Amazon EC2 & CPanel, Apache & nginx. Reasons to hire me: +actually, I like my work; +I'm sociable & friendly; +highest quality; +my goal is to satisfy your needs due to my specialty.

    $20.00 /hr
    0 hours
    5.00
  7. Mikolaj R.

    Mikolaj R. Agency Contractor

    PHP Developer with Frond-End and JavaScript skills

    Poland - Last active: 10 days ago - Tests: 16 - Portfolio: 18

    I have worked as a PHP developer for about 7 years for now. My experience in working on a wide range of projects allowed me to work with large corporations like Adidas, Reebook and Unilever - that kind of clients are very demanding and expect performance to the highest level. Thanks to that cooperation I know how necessary thing is good communication. I worked in a team of developers as well as on my own, additionally, I have experience as a team leader. Worked on small projects and some bigger ones that took over a year to complete. I am very much familiar with the latest technologies such as: PHP 5x (OOP), MySQL 5x/Postgresql 8+ (usually with ORM if needed), MVC Frameworks, jQuery, Mootools, DHTML, CSS3, HTML5, Youtube/Facebook/Twitter API to integrate projects with social media. All my applications are SEO optimized to play good with google and easy to work with SEO companies.

    Associated with: Polcode

    $32.00 /hr
    2,428 hours
    4.70
  8. Dat Nguyen

    Dat Nguyen Agency Contractor

    Magento Expert, e-commerce and more

    Vietnam - Last active: 11 hours ago - Tests: 9 - Portfolio: 11

    Top Rated Odesk's Freelancers!!! SEO and expertise for Magento platform. I had 8 years working with a lot of projects built base on PHP and Mysql and 4 years working based on Magento platform. I have some portfolios and built a lot of Magento sites. My works focus to customise Magento extensions, build theme, create custom extension, import/export, data and more...

    Groups: Bluehost Developers and Designers

    Associated with: X Magento

    $38.89 /hr
    3,946 hours
    4.88
  9. Pavel Piatruk

    Pavel Piatruk Agency Contractor

    Linux system administrator

    Belarus - Last active: 5 days ago - Tests: 11

    I have great experience in * Linux maintenance (RHEL, Debian, Ubuntu) * Virtualization: (Vmware, Openvz, Virtuozzo, Xen, KVM), * Cloud hosting (Amazon EC2, AWS, S3), * Networking (dhcp, DNS:powerdns/bind/named, vpn: openvpn/pptp, firewalls: iptables/ipfw, qos, proxies), * Web servers (apache, nginx, lighttpd, tomcat), * Mail servers (exim, postfix, qmail, antispam/ antivirus: clamav/spamassassin/amavis, courier, dovecot), * Bulk marketing (Dkim, spf, high speed/inboxing, interspire), * Automation (puppet, perl/shell/awk scripting), * Monitoring (nagios, zabbix), * Hosting panels (Cpanel/WHM, Plesk, Directadmin). Java, J2EE, Maven, JUnit(DTDUnit, JMock, StrutsTestCase, DBUnit), apache commons, SQL (pl-sql/MySQL/ORACLE/MS SQL), HTML, JS, AJAX, CSS, Spring, Struts, Tiles, ORM/Hibernate, XML, XSLT, Jasper, Ant, JMeter

    Groups: Bluehost Developers and Designers

    Associated with: JazzTeam, NK Support

    $27.78 /hr
    1,307 hours
    4.84
  10. Aty P.

    Aty P. Agency Contractor

    Linux Server Admin, Security Expert, PHP MySQL, Wordpress Expert

    India - Last active: 4 days ago - Tests: 5 - Portfolio: 41

    Hi, My name is Aty. Over the last 7 years since 2007, I have led mufti-functional teams to execute on mission-critical engagements. I did job with large design firms in my starting career for 2-3 years. I then assembled a crack commando unit of the best people I encountered. We take on assignments, right-size the solution to the problem, and then use the team approach: an architect to ensure you have a platform suitable to your needs, razor sharp analysts to document the deliverable, creative designers for graphics, and masters of code. We then put very cheap SEO and maintenance folks to ensure your rankings remain at the top, and your site runs blazing fast. Each of these people bill at different rates, so you get maximum bang for your buck. When you hire anyone at Quinji, you hire the team resources. You will not suffer if someone is not available. We have the breadth of skills and depth of resources to ensure your project is on time and on budget. I am native US English speaker and this feedback is given to me by more than 20 different clients which they found a plus point while making conversation when they are outsourcing their work for better communication and understanding. Always available on Skype for voice or text during my working hours. I completed 2600+ hours on odesk with 4.96 star feedback out of 5 up to June 2014. Hope it will boost some confidence inside my capabilities to complete your assignments successfully. Looking forward to hear from you. ********************************************* My Technical Skills are as below: ------------------------------------------------ Security Expert -> SQLi/XSS, Trojan Removal, Malware and Malicious Code Removal, Security Configuring on servers, CSF, mod_security, DDos Attack, Phishing attack, Iframe, eval and base64 signature detection, VPS and Dedicated server Management, Monitoring, cloaking, pharma hacks, shell detection, spam blocking. Penetration testing, Nessus, Nmap, Metasploit, Maldet, Blackhole Exploits detection removal and others.. -------------------------------------- Developer -> PHP/MySQL, Core CMS -> Joomla, Drupal, WordPress, CakePHP, CodeIgnitor -------------------------------------- Social Framework -> SocialEngine, Dolphin, JomSocial, Community Builder. -------------------------------------- Ecommerce ->OScommerce, Magento, Cscart, ZenCart, BigCommerce, CBSubs, Virtuemart, Woocommerce -------------------------------------- Framework -> Cakephp, Codeignitor, Zend, Symfony. Yii -------------------------------------- Java Script Framework -> JQuery, JQuery UI, Mootools -------------------------------------- SEO/SEM -> OnPage SEO optimization so Search engines crawl all the required content automatically, Article Writing and Submission, Social Bookmarking, Link Building, Press Release, Directory Submission, Social Media, Traffic Generation, Youtube, Facebook, Twitter, Digg and so on with all Ethical Methods. Latest strategy according to Panda 4.4 algo follwed while doing SEO -------------------------------------- Desktop or Laptop Fixes -> I used Remote Desktop or Team Viewer to take access to client machines to fix their machines from spywares, Malwares, viruses or Trojans installed on their machines. ******************************** Hope once we start we will be in long term business relationship.

    Groups: AWeber, BoonEx...

    Associated with: Quinji

    $30.00 /hr
    2,824 hours
    4.96