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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, 21 Unix shell projects are completed every quarter on Upwork.

21

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 4.72.

4.72
Last updated: August 1, 2015

Popular Unix shell Searches

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  1. Aaron Summers

    Aaron Summers

    Linux Cloud Engineer / 14 Years Real World Experience

    United States - Last active: 19 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
    5,795 hours
    4.97
  2. Ivan Ershov

    Ivan Ershov

    Cloud Architect/Engineer/Devops / Linux Admin

    Russia - Last active: 19 hours ago - Tests: 11 - Portfolio: 2

    Over the last 10 years, I have been working as technical support engineer/team leader/infrastructure architect for the different companies with on-premise/cloud hosting. My competency lies in planning, development, deployment and setup of the environments from scratch, troubleshooting/support/improvement of existing production systems based on Linux/Unix with the focus on automation and high availability. Have a lot of experience in automation/monitoring/backup of different distributed environments with LAMP stack and other applications, different clustering, scalability and high-availability techniques. Operating systems: Debian/Ubuntu, Redhat(Fedora, RHEL, Centos), Suse, AmazonLinux Level of skill with Unix/Linux: RHCE MailServers: qmail, postfix, sendmail etc Databases: Postgresql, Oracle, Mysql, noSQL databases (Mongodb, Cassandra, Couchbase, Redis etc) Clustering: RHCS, terracotta, heartbeat, pacemaker, distributed balanced setups Programming, scripting languages: Bash, PL/SQL, Ruby Clouds: AWS/Tata/RackSpace/CloudStack/Openstack/Azure Automation: Chef/Puppet, RightScale, AWS Opsworks,CloudFormation etc Continuous integration/deployment: Docker, Atlassian tools, Jenkins, SVN/Git, Codebase etc. Loadbalancers/proxies: Clouds LBs, Haproxy, mod_jk, Squid, Apache, Nginx Application servers: tomcat, jetty, jboss, Apache, Nginx, different PHP-based servers Monitoring: Nagios, Zabbix, Newrelic, OMD etc English: fluent Availability: up to 30hrs/week

    $38.89 /hr
    1,848 hours
    4.96
  3. Roman Gorokhov

    Roman Gorokhov

    Expert FreeBSD/Linux Administrator

    Spain - Last active: 19 hours ago - Tests: 6

    • 15+ year’s experience in the IT field. • Deadline conscious on all projects and assignments. Resolved IT related issues and concerns under strict deadlines. • Proactively implemented enterprise project deliverables at basic to intermediate levels. • Provided installation, configuration and maintenance of UNIX -based systems for different tasks: http, mail, ftp, dns, proxy, firewalls, smb, backup; web applications – from postfixadmin tо sugarcrm. BSD, Linux, Solaris, QNX. FreeBSD is my favorite. • FreeBSD Port contributor.

    $25.00 /hr
    111 hours
    4.82
  4. Timur Birsh

    Timur Birsh

    Unix Systems Expert and Oracle DBA

    Kazakhstan - Last active: 24 days ago - Tests: 7

    Hello, Over the last 15 years, I am working with the following Unix systems: BSD based systems, Solaris and Linux distributions including Debian, RedHat Enterprise Linux, CentOS, Oracle Linux and Ubuntu. Over the past years I have developed a wide range of solutions: VPN, proxy, mail, web, file, Samba, DNS, DHCP, SSO, database, monitoring, backup, virtualization and high availability servers. I am Oracle DBA with the 5 years of experience. I work for financial institution. On my control a 21 databases. Mission critical and big databases runs on the IBM hardware and AIX operating system. Other databases runs under control of Solaris (SPARC) and Linux operating systems. For data protection we use Data Guard. One of the best products of the Oracle is Enterprise Manager Cloud Control. We use it for the databases and hosts monitoring. Its management repository contains a lot of information. It is very useful in building of custom applications (reports, etc). I have work experience with the following Oracle RDBMS versions: 8i/9i/10g/11g. I am big fan of a tasks automation. For small jobs I use shell scripts. For jobs that have complex logic I use Python or Perl. For complex text processing I use awk, sed and shell scripts as a glue. I have 5+ experience of C language programming for Unix. Hardware administration of the following vendors: Oracle (Sun), HP, Dell. I am contributor of the following free software projects: Debian (http://qa.debian.org/developer.php?login=taem@linukz.org), Transmission Bittorrent Client, inadyn Dyndns client. I maintain the following opensource programs: * sXid - http://linukz.org/sxid.shtml * cd-discid - http://linukz.org/cd-discid.shtml I use Git for source code management. I would be happy to help you. Please do not hesitate to contact me.

    $33.33 /hr
    18 hours
    4.97
  5. Jordan Ringenberg

    Jordan Ringenberg

    PhD in Computer Science, Expert in C++, Python, MATLAB, Java, Web Dev.

    United States - Last active: 19 hours ago - Tests: 3 - Portfolio: 1

    Expert knowledge and over seven years of experience in object-oriented programming and agile development utilizing C++, Java, Python, Visual Basic, Objective-C, C#, MySQL, shell scripting, and web programming Software engineering and computer vision expertise, with numerous peer-reviewed published outcomes. Specialties include object-oriented design, algorithms, image processing and computer vision, and 3D modeling Expert-level experience in major development platforms including .NET, MATLAB, Linux/UNIX, Eclipse, and Cocoa Strong written and verbal skills, with proven track record in university teaching and scholarly publications

    $78.00 /hr
    176 hours
    5.00
  6. Oleksandr N.

    Oleksandr N.

    Senior System Administrator, Migration and Security L3 engineer, SSD

    Ukraine - Last active: 3 days ago - Tests: 20 - Portfolio: 16

    YOUR POSITIVE FEEDBACK IS THE HIGHEST AWARD FOR ME ;) Will do my best to assist you in any questions and tasks you may have =) Here is some info about my experience. SUMMARY Specialties: Information Technology / Internet / IT Division / Computer security/ Internet Services / System Administration/ Webmaster Support / Web Analysis/ SEO / SEM / Internet Marketing Web hosting services (SSD hosting solutions) EXPERIENCE: d(-_-)b Linux/Windows system administrator, Operations team EuroVPS/WebDomSolutions January 2012 - May 2013 Greece, Athens Responsibilities: - Tickets; - System administration and monitoring. Theoretical and practical skills: - Operating Systems: RedHat/CentOS/Fedora, Debian/Ubuntu, FreeBSD, Windows Server 2003/2008; - Virtualization: Virtuozzo, OpenVZ, VMware, Onapp Xen, Apache CloudStack; - Setup/configuration: nagios, kayako, racktables, confluence, observium, nginx, php-fpm, liteSpeed, Apache CloudStack, Hostbill, WHMCS, redmine; - Control panels: Plesk, WHM Cpanel. - Database Administration: SQL Server, MySQL, MariaDB ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ <( -'.'- )> freelancer SEO freelance October 2010 - March 2012 (1 years 6 months) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ o(^_^)o System Administrator / Techsupport Webintellects/Webhostgian/Jumpline/Webdomsolutions November 2010 - March 2012 (1 year 5 months) US, Ohio Responsibilities: - Live Chat support, Tickets; - System/Server/Control Panel administration; - Nagios monitoring; - Internet research and work with technical documentation. Operating Systems: * RedHat/CentOS,Fedora * Windows server 2003/2008 * VPS setup and configuration (Parallels Virtuozzo Containers); Advanced theoretical and practical skills in such areas: - Operating Systems: RedHat/CentOS/Fedora, Windows server 2003/2008; - Virtualization: VPS setup and configuration (Parallels Virtuozzo); - Security: Advanced knowledge of Linux security, Firewalls ( IPtables, CSF, APF, BFD, Fail2Ban), Encryption ( SSL), SSH, Host Security Auditing; - Software: Apache servers (versions 1.3.x/2.2), DNS (BIND 9), QMail, Sendmail, exim, LAMP, Plesk/Exim/Cpanel (installing/upgrading/maintaining), Drupal, Wordpress, Joomla, OsCommerce applications, Yum/RPM usage; - Database Administration: SQL Server 2003/2008, MySQL, MS access. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ b(^_^)d Internet Marketing Specialist || Web Analyst DCoM Soft, Inc. December 2009 – August 2010 (9 months) Responsibilities: - Internet Marketing strategy and tactics - Information architecture and Web site content planning - Research of partners - Internet Market Research - Research Usability Design - Online promotion of company's web-based products Skills: - Search Engine Optimisation (SEO) - Paid online Marketing / Pay per Click Management (PPC) - SEO Copywriting/Editing - Social Media Optimization and Marketing (SMO/SMM) - Experience running USA-targeted social Marketing - Writing press releases - Social networking (Twitter, Facebook, Google follow etc) - Google Products, AdWords/AdSense, Google Analytics, Webmaster tools, Google Merchant, etc. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ \(^_^)/ Customer Relations Representative || Advanced Technical Agent Ecommerce, Inc. May 2007 – October 2009 (2 years 6 months) Responsibilities: - Sales, billing and technical support in solving problems reported by clients; - Chat, helpdesk system, correspondence; - View, Adaptation, "repair" clients' sites; - Basic server/service diagnostic and reports to sysadmin department; - Internet research and work with technical documentation; - Work in team. Basic theoretical and practical skills in such areas: - Linux / Unix OS, Windows server 2000/2003, Windows XP/98; - Servers: Apache, bind, sendmail, ProFTP, MySQL, SQUID / SOCKS, MSSQL, Samba; - Easy coding: PHP, PERL / CGI, HTML, JavaScript, CF, ASP,. NET, C + +; - Widely used protocols (HTTP, HTTPS, SMTP, POP, IMAP, FTP (s), TCP / UDP, etc); - HSPHERE control panel (versions 2.3 and 3).

    $34.88 /hr
    1,379 hours
    5.00
  7. Bhushan Kumar Sharma

    Bhushan Kumar Sharma

    Linux Servers AWS Cloud Hosting Security CPanel Plesk VOIP PenTest

    India - Last active: 19 hours ago - Tests: 4 - Portfolio: 14

    Since 2001, I have been dedicatedly working with Linux Operating Systems & Open Source. Services Provided ::- Deployment, Configuration, Security, Hardening, Monitoring, Performance Tuning, Troubleshooting of Linux Server Roles AWS – Amazon Web Services Migration of Servers Hosting Panels like WHM/CPanel, Plesk etc Asterisk Dialers, VOIP and Call Center Solutions Customization of Linux Kernel & Distro with Rebranding Faculty of Post-Graduate Degree in Computer Sciences. Firewalls & Gateways Linux HPC - High Preformance Clusters Remote Server Support & Troubleshooting L3/L4 Security Auditing of Servers & Websites Cloud & Virtualization Technical Writing VPN - Site-to-Site, Road-warrior Vulnerability Assessment & Penetration Testing Kayako

    $16.67 /hr
    3,625 hours
    4.85
  8. Daniel Z.

    Daniel Z.

    Highly skilled API integrator, PHP (ZF) Coder and Project Manager

    Poland - Last active: 19 hours ago - Tests: 7 - Portfolio: 6

    Goal: Project and develop high quality apps for your success. Profile: OOPHP & Zend coding, IT consulting and business analyst, project coordinator and manager, Other skills: Apache, Bind, SSH, bashscripting, Memcached, Github, Solaris, Oracle, MySQL, Radius, AD, expert knowlegde of many *ux and windows systems Advantage: Project and implementation of many web apps. Most of it projected and developed by myself using Zend Framework, Google API (youtube, gdata), social API (twitter, facebook). Some of it integrated with operating systems or AAA software (radius, ldap). Usually Design Patterns were used (like Template Method, Version of Control, DAO, Dependency Injection, Decorator and so on). Some application built upon a structure of web services (XML, REST, JSON), some using jQuery and AJAX. Tools and technologies: Apache, radius, bind, ldap, Zend Framework, XML, SOAP, Linux, Linux daemons, Memcached, Sockets, REST, JSON, Oracle, MSSQL, MySQL, Design patterns, MVC, SVN, BASH, PHPUnit, Xdebug, Unit testing, Google Youtube API, Google Gdata API, Google Maps API, Facebook API, PayU API

    $35.00 /hr
    1,767 hours
    4.98
  9. Vitaliy Nogin

    Vitaliy Nogin

    Linux, Cisco administrator

    Ukraine - Last active: 4 days ago - Tests: 1

    PROFESSIONAL EXPIRIENCE: EQUIPMENT: 1 Server hardware by IBM and HP, IBM-PC compatible. 2 CISCO switches and routers (800,1700,1800,2600,2800,3560,3600,3750,7200,etc series) 3 Intel switches. 4 Digital Super Hybrid Telephone Systems iDCS-500 and OfficeServ 7200 by Samsung 5 Zeroshell, 3Com, D-Link, Zyxel, MikroTik. OPERATING SYSTEMS: 1 UNIX, Linux, FreeBSD, Solaris 2 Microsoft Windows Server 2003/2008 NETWORK PROTOCOL: 1 HTTP, SNMP, SMTP, TELNET, FTP, SSH, SCP, SMB, NFS, DNS, NNTP, POP2/POP3, IMAP, UUCP, NIS, NFS, SOCKS5 etc. 2 SSL 3 RPC, NetBIOS 4 TCP, UDP, GRE 5 IP, BGP, OSPF, RIP, PPP, ICMP, ARP 6 Ethernet, X.25, Frame Relay, ISDN, MPLS, IEEE 802.11 PROGRAMMING LANGUAGES: Perl, bash, csh, awk, expect, PHP, Pascal, Delphi, C++, Visual Basic, HTML, Java

    $15.00 /hr
    0 hours
    4.91
  10. Roman T.

    Roman T. Agency Contractor

    UNIX and security expert, network and system administrator

    United States - Last active: 3 days ago - Tests: 9 - Portfolio: 3

    I'm a problem solver with technical and managerial experience, based out of Los Angeles. I love solving complicated problems by building elegant solutions and seeing the impact it has on a business's growth. I've always been interested in the technological field, specifically in information security and automation, which has made a huge impact on my work experience. However, I recently found myself involved in start-ups and helping with management, risk assessment and developing business strategies. I offer the following key services: o Security Audit o Network and Systems Administrator Services o Information Security Services o IP-PBX and VoIP softswitchs: installation and maintenance o Software development: Web, desktop and server applications o Complex solutions for business-process automation Experience Platforms: Cisco (routers, switches and ASA), Huawei (L2&L3 routers and switches), MikroTik, Ubiquiti, OpenStack. OSs: UNIX (FreeBSD, OpenBSD, *BSD, Solaris), Linux (Debian, Ubuntu, Kali, Gentoo, Red Hat, SuSe, uLinux, ASP, Mandrake, Fedora Core), MikroTik's RouterOS, VRP (Huawei), Windows 95/98. Languages: C/C++, UNIX Shell Scripting (Bash, Shell, sed, awk), Delphi (Pascal), Perl, PHP, Python, SQL, T-SQL, Assembler (Intel and AT&T SysV/386 syntax), GTK+ applications, Erlang, HTML, CSS, JavaScript, JQuery, JSON, REST API, XML, XSLT, DTD. Databases Engines: PostgreSQL, MySQL, Oracle, SQLite, Mnesia, MS Access, Sybase, DB2. Networking: TCP/IP, ISO/OSI, IPv6, Ethernet, VLAN (dot1q), ARP, VRRP, CARP, MPLS L2, MPLS L3, STP, GVRP, PPPoE, VPN, PPTP, L2TP, IPSec, OpenVPN, SNMP, SSH, XMPP, SIP, h323, BGP, OSPF, RIP, IRC, AJAX, Netflow. Virtualization: OpenStack, XEN/Server, Qemu, VMWare, FreeBSD Jail, Chroot. CMS: WordPress, Bitrix, osCommerce, Joomla, RoundCube. Panels: CPanel, Plesk, ISPManager, Webmin.

    Associated with: IntLös

    $35.00 /hr
    299 hours
    4.95