Unix Shell Freelancers

Clear all filters
Reza I.

Reza I.

✔ Sr. Network & System Administrator (UNIX,Linux,C...

Indonesia - Last active: 09/02/2011 - Tests: 9 - Portfolio: 4

Over last 8 years I have design & deploy wide range network and server system using Cisco networking, Open Source Operating System like Linux and BSD or Windows Server. My core competency lies in complete end-end management of network infrastucture. I am looking for opportunities to design, setup and maintain networking infrastructure. I have extensive experience in Perl/Shell Programming, open source server applications such as integrate and modify, TCP/IP networking, Cisco Switch and Router, IT broadcast equipment such as SAN/NAS video server, digital media editing, project management and documentation

$20.00 /hr
402 hours
4.64
Denis G.

Denis G.

Unix Shell,Debian,RedHat,SQL,PostgreSQL,noSQL,Mong...

Russia - Last active: 06/10/2013 - Tests: 22 - Portfolio: 9

I am Tech Lead and DBA at http://www.odesk.com/companies/~~a2242173f0b7173d I have extensive expertise in: Unix Shell,Debian,RedHat,SQL,PostgreSQL,noSQL,MongoDB,Hadoop - cross platform software, website backend and frontend development - mobile development for Simbian, Linux Meego, iOS, Andorid, Windows Phone - DBA: including writing stored procedures - System Administration: including writing Unix daemons - Configuring and Customizing: VNC, Proxi, Mail, Jabber, Apache Servers, Networking, DimDim, VoIP, Asterisk Solutions... [brainbench certified]

$14.77 /hr
829 hours
5.00
Alexey Pechnikov

Alexey Pechnikov

Computer Vision & Simulation, Algorithms & Statist...

Russia - Last active: 3 days ago - Tests: 6 - Portfolio: 7

I have a Master's degree in radiophysics and electronics. In addition to fundamental mathematics and physics knowledge I specialized in computer simulation and computer vision technics. My experience ranges from research to applications. I prefer simple solutions and reliable technologies. I make compact and fast applications having a vast background in producing firmware for embedded devices with relatively small RAM, slow CPU, and very long uptime. Cross-platform programming is not hard, it is the only way :) In addition, I am expirienced in full-stack development: C programming of RDBMS (SQLite), server-side programming (C/Tcl/shell scripting/etc.), client-side programming (Tcl/Tk), web programming (JavaScript, jQuery, HTML5, css), mobile programming (PhoneGap).

$49.99 /hr
259 hours
5.00
Alper OKUTGAN

Alper OKUTGAN

Professional PHP Developer and Web Scraper

Turkey - Last active: 3 days ago - Tests: 8 - Portfolio: 33

Top-notch web scraping expert using PHP/cURL, having scraped hundreds of sites with millions records. Always deliver perfect quality with quick turnaround. Crunchbase, Twitter, oGame, Washington EDU, Craigslist and Yipit are just a few examples. My major expertise is Web crawling, data minning, Wordpress plugin and theme development with PHP/MySQL. I have a degree in Computer System & Engineering and have 14 years experience coding. I am interested in solving complex challenges, difficult problem solving, and learning to enhance my programming skills. I have been working in the hosting industry (Hostgator, GoDaddy, Bluehost) for more than 8 years and highly experienced using hosting software such as WHM/CPanel/Plesk/Virtuozzo/Webmin/Virtualmin. Technical background; I began programming on C64s with QBasic language in the 1990s. Following graduation, I developed various programs with Borland Delphi for computing hardware faculty from 2000s, and I am still programming for RS232 / OBDII. I professionally created various web development projects with PHP and Perl languages since 2002. I began working with Linux and FreeBSD in 2003 and I have been working as an admin for various servers like Debian and Ubuntu operating systems since 2005. I have founded to BACOMputer, which my first company on 2005, and I am still working as a software developer for my own company. I have created almost 250 web sites which are hosted in my re-seller account, and I can provide web hosting services also. You may easily reach some of website samples in my portfolio. I began working with clients through oDesk since 2009, and I have successfully completed many contracts between 2010 - 2014. The subjects of my recently works; ° Web scrapping / mail scrapping with PHP/cURL. My PHP codes also can be run as standalone programs on the linux shell and/or with crontab. ° OpenVPN authentication systems ° Creating Wordpress plugins and themes. HTML to Wordpress. ° PHP-MySQL works / Admin Panels. ° Delphi or PHP based text file conversion programs. * OPEN-WRT Linux distributions. ° Hosting services and transfers. ° Malware code cleaning on the sites and servers. (I have developed my own tools for finding malicious codes and infected files as quickly and efficiently) ° Decompiling/Tracing Flash applications/games. ° Radio, Audio stream program installations and configurations. Shoutcast, Icecast and Flashcast solutions. ° Software installation on Linux. Ftp servers, Apache, Nginx, PHP and MySQL installations/configurations. ° jQuery and resolving jQuery issues and conflicts. ° JWplayer, Flowplayer video player installations and delayed messages/auto redirecting projects ° Lightbox, Greybox, Laytbox and other jQuery (auto) popup solutions. ° .htaccess works (Mass redirections, SEO based links, permalinks)

$45.00 /hr
1,470 hours
4.99
Alexander Shcheblikin

Alexander Shcheblikin

Linux, UNIX & AWS Expert Administrator

Ukraine - Last active: 25 days ago - Tests: 8 - Portfolio: 3

* 17 years in UNIX world * Security-minded * Administrator & Developer for complex projects involving automation, integration, data mining * Attentive to details * Ensuring reliable & secure systems operation and effective consulting & coaching * Protection against Spam & other unsolicited communications in email, web and VoIP * Building effective web-presence assets (5+ years in Web/SEO)

$40.00 /hr
89 hours
4.92
Andres Olvera

Andres Olvera

Expert Wordpress/PHP developer | Scripting expert

Mexico - Last active: 1 day ago - Tests: 18 - Portfolio: 2

I have lots of experience building and enhancing WordPress plugins and building themes from scratch. My main strengths are: - Clean coding - 100% Wordpress coding standard compliant - Availability - usually respond within 5 to 10 minutes to any queries during CST workhours - Fast and top quality work I also have experience developing web pages using Perl and/or PHP, Javascript/jQuery, VBScript, CSS, Ajax and MySQL databases. I worked for a Fortune 500 automotive company in a reporting and analysis position, and also building and maintaining a website in the company's intranet using Perl and MySQL. After that I was in charge of supporting a website built with Java and the Spring framework, using both MySQL and Oracle databases, for customers worldwide. I also worked at the tech support helpdesk for that same company for over a year, troubleshooting Linux servers and workstations, networking and other data related issues. I was also in charge of administering KBOX ticketing system for over a year, from content management to database administration, to scripting solutions for its customers. I also have knowledge in scripting using different technologies, such as VBScript, Javascript, Linux shell scripting, Perl, and some Powershell, as well as VBA for Excel and HTAs. I was also regularly troubleshooting C and Java programs for bugs and/or enhancements. After that, I moved to a company named Softtek as a Software Engineer, I was part of a team that develops Wordpress plugins and themes for an American multinational conglomerate corporation. The last position I held was for yet another company as a Linux intermediate administrator, where I was in charge of managing users with Centrify and I also installed Cacti to monitor some of the company's servers running CentOS. Currently, I work on my own mostly developing Wordpress plugins and themes. I have specialized myself working on web development, mainly PHP with MySQL databases, but also Javascript/jQuery for the front end.

$55.56 /hr
90 hours
4.96
Anton S.

Anton S.

Senior iOS developer

Belarus - Last active: 7 days ago - Tests: 15 - Portfolio: 15

Software developer for more than ten years. Started my first iOS application back when iOS SDK was introduced. Since then I had explored plenty of dark corners of iOS ecosystem and this really helps me to pick the right tool for the job. I am self-motivated agile worker. Always friendly and proactive in communications which makes me a good team member/leader. I have extended experience with following technologies: Apple native frameworks - from UIKit/Autiolayout and CoreData down to OpenGL, CoreAudio and Accelerate.framework Ad-Hoc app distribution - Testflight, HockeyApp, ; In-House app distribution Project management - JIRA, RedMine Continious integration - TeamCity, Jenkins My code contains best practices, always clean, self-documented, editable, localized and synchronized. Most of UI is in storyboard. I can use any VCS, but git is my favourite one. My experience is not limited by C / Objective-C / Objective-C++ / Swift. I have experience in backend development so it is not secret "where it all comes from" or how to report a bug. oDesk officially recognises me as one of the best mobile developers for the projects I have worked on, my work history and communication skills.

$44.44 /hr
1,588 hours
5.00
Nallamala V.

Nallamala V.

Docker / AWS/ GCE/ Azure/ Linux/ LAMP / DevOps/ Po...

India - Last active: 1 day ago - Tests: 4

Docker & AWS & Azure & Google Compute Engine & Cloud and System administration & Production Support & Migrations & Cost Optimization & Security hardening & Performance Tuning & High availability & 24/7 detailed Monitoring & Automation & Continuous Integration & Chef & Ansible & Jenkins & LAMP & Shell Scripting EXCLUSIVE SERVICES: Docker, Ansible, Cloudformation CLOUD ASSESSMENT AND STRATGEY: Rapidly evaluate, define opportunities & the roadmap to move your IT to the Cloud. Create the optimal platform for building Systems of Engagement. I will help you develop your cloud strategy to ensure seamless and effortless migration of applications, platforms and infrastructure. DESIGN & IMPLEMENTATION Create high available and scalable architecture keeping the infrastructure and maintenance at cost at minimum. DATA CENTERS TO CLOUD MIGRATIONS (LIFT n SHIFT): Pre-migration readiness assessment. Services to seamlessly migrate your infrastructure to the cloud without any business downtime along with processes for security, backup and DR CLOUD AUTOMATION AND OPTIMIZATIONS Run your infrastructure with high efficiency by optimising and automating cloud deployments. Cost and Performance optimization. DEVOPS SERVICES Make use of industry best practices to automate the infrastructure provisioning, scaling , backup, monitoring, patch updates, code deployments TECHNOLOGY EXPERTISE: Public Clouds: AWS, Azure, Google Compute Engine Stack Migrations and Deployments: LAMP/LEMP( Wordpress, Drupal, Magento, Joomla etc), Java, RoR, .Net, Python(Django), Node.js OS Administration: Linux, Windows, Mac Web/App Servers Administration: Apache, Nginx, HAProxy, Tomcat, JBoss, IIS, Puma, Rails, Database Administration: MySQL, Postgres, SQL, Mongo, Cassandra Cache Mangament: CDN, Redis, Memcached, Varnish Automation Tools: Chef, Ansible, Jenkins, Docker Monitoring Tools: Nagios, Zabbix, NewRelic, Data Dog, Opsview Security: OpenVPN, Nessus, OSSEC Experience: Migrated 300+ Applications to AWS, Azure and GCE. Managed 10000+ VM instances in cloud. Migrated and Managed high popular applications to cloud. Designed highly scalable , available and secured architectures for popular e-commerce and Enterprise applications. Migrated and managed HIPAA complaint applications.

$49.00 /hr
2,432 hours
4.81
Fabrizio R.

Fabrizio R.

Linux system administrator - AWS / EC2 and Rackspa...

Italy - Last active: 2 days ago - Tests: 10 - Portfolio: 1

I am having more than 10 years of experience in Installing, configuring and administrating various type of *nix servers using various opensource and closed source software for various customer requirement in the industry. My major expert areas in summary:- #Cloud environment :- Amazon Web Services, VPS, Rackspace #Email deliverability: PowerMTA, Interspire #Operating Systems :- Redhat, CentOS, Ubuntu, Dabian, Gentoo, HP-UX, Aix, SunOS,. Windows workstations and Servers 2000, 2003, 2008 R2, etc., #TCP/IP networking :- Advanced ip routing, forwarding, filtering and firewall with Netfilter Iptables #servers :- Sendmail, Postfix, Dovecot, Courier IMAP, Squirrelmail, Roundcube, BIND, Apache, VSFTPD, DHCPD, Squid, Samba #Monitoring and remote admin :- Log analizing with Sarg,Monitoring serves with Nagios and icinga ,Remote desktop with FreeNX, Remote Admin SSh/Telenet #Scripting :- Bash scripting, Perl #Web and Database :- postgresql, MySQL, HTML #CMS: Drupal, Magento, Wordpress Thank you. Best Regards. Fabrizio

$50.00 /hr
1,343 hours
4.91
Oleg Batishchev

Oleg Batishchev

Magento Jedi / Senior Web Developer / Consultant

Russia - Last active: 1 day ago - Tests: 6 - Portfolio: 9

Hello dear customer, Yes, I'm not wrong, cause after read that you will wanna to hire me ;) Well, now seriously ... I am a highly experienced verified by oDesk web developer who has primary direction of activities in e-Commerce web-developing, in that case it's a Magento area. I'am an adept of Magento and if you don't know what is it and you wanna e-commerce site you have to contact with and I will explain how is Magento awesome. I have 3 years experience in Magento and 9 years total in PHP developing with an MVC, different CMS (Wordpress), frameworks (Yii, Zend) and other. I always stick to the coding standards and follow the best practices to provide seamless, readable and reliable code. Besides developing I have some administration skills to manage servers, automate routines and can improve performance of Magento backend and frontend as well. Also I can setup the server from a scratch. I prefer a stack for Magento consists of: Nginx, Php-Fpm, Redis, Apc, Mysql 5.5 (5.6) (Percona better), SOLR/Lucene/Sphinx. I prefer do not install any control panels but if required I would prefer ISP Manager 5 Lite. Magento related Experience and Services - Optimization, load improvements, speed up - Extension development and customization - Troubleshooting - Tweaks & tricks - Bulk importing. Do you have 100k products? It's not a problem - Store migration - AWS, Rackspace building an architecture of you infrastructure - Core upgrade - Magento recurring support - Bug/error fixing - Theme design and customization - Consultation - Code review I also have some basic skills in the desktop programming (C#) and some Photoshop skills. I'll be glad to new acquaintances and long-term cooperation. I have a team of developers and every day we are expanding. Just hard to write all things what I can do. I am easy learnable for new stuff (frameworks, custom systems, foreign code). My strong side is a backend developing and have a good knowledge of a frontend side: - HTML5/CSS3 - Bootstrap - jQuery - Ajax - WebSockets, Long polling - Prototype - ExtJS - Google API, Yandex API - many other things that I can't remember at this moment. Also in a less degree Angular, Backbone and other frameworks/libs. Communication Channel : Skype/Whatsapp/Email/Phone I have listed only a little part of my portfolio cause I have many jobs completed and I can't add every job to profile.

$45.00 /hr
1,120 hours
4.98