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Post your Linux system administration project on Upwork 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 Upwork, 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.

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

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Linux System Administration Upwork freelancers typically receive a client rating of 4.79.

Last updated: October 1, 2015
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Md Nazim Uddin

Md Nazim Uddin

VOIP/IP-PBX/ Contact Center/ expert IT Professional

Bangladesh - Tests: 1

I’m high‐performing, strategic‐thinking and highly skilled professional with more than eight years’ of experience in Information Technology & Telecommunication sector. I’m adept at assessing needs, generating options, and implementing solutions in collaboration with clients and stakeholders. Well‐versed in all phases of projects, including defining plan, implementation and quality assurance. Enormous experience on Contact Center technology process, policy, operation & administration, IP Telephony & Unified Communication & Video conferencing deployment, network design, IVR call flow design, business automation, writing technical documents, user manual etc. I also equipped many other IT domain specially Unix & Solaris, Windows servers, PHP, Mysql, Switch & router configuration & Avaya products. I would be immensely delighted to help individual, organization or society. I believe I could solve any complex, technological problems in my domain that challenge my intellect and fire my imagination. My Core Competencies: - Avaya Contact Center solution - Avaya IPT & Unified Communication - Avaya IP Office - Avaya & Cisco Video Conferencing - Cisco switch & router configuration - Installation and administration of Linux - Windows Server installation & administration - IIS & Tomcat configuration - Linux Shell & VB script - Expert on SQL (MS Sql & Oracle DB) - Programming language (Java, Visual Basic & PHP) - Expert in MS office suite

$35.00 /hr
35 hours

Robin J.

Robin J.

Server Administrator and Automation Expert Linux / Windows

India - Tests: 2

Approx 4 years of experience in the field of Server Administration of Linux/Unix/Solaris/Windows. Good experience in the following points: Full Server Installation and configuration with the latest patches Hardening server Server security Server optimization Live server migration Server monitoring Expertise areas: 1. Linux Server Distributions (RedHat, CentOS, Fedora, Ubuntu) 2. WebServers (Apache/Litespeed, Nginx, Tomcat, Jboss) 3. Hosting Control Panel (WHM/C-Panel, Direct Admin,ISPConfig, Plesk Panel) 4. Monitoring Tools (Nagios, Cacti, Mrtg, Prtg) 5.Server Security (Iptables, CSF, Rkhunter, Chkrootkits, SSHD, TCP Wrapper) 6. Database (MySql, Oracle) 7. Mail Server (SendMail, Exim Mail, Zimbra, QMail) 8. Virtualiation (Virtuozoo, Hyper-V, OpenVz, Xen) 9. Scripting (Bash Shell) 10. Other: DNS, DHCP NFS, FTP, Smabha, Telnet, Ldap, NIS

81% Job Success
$12.00 /hr
152 hours

Alec Schule

Alec Schule

Web & Software Developer, Wordpress, Javascript, HTML/CSS, C/C++, etc

United States - Tests: 1

I am a U.S. native and U.S. based developer currently studying computer science at the University of Southern California (USC). I'm looking for part time jobs to help finance my education. I've developed my programming skills my entire life, and I'm confident in my ability as a software developer. I have been programming since 2007 and developing websites since 2009. I specialize in Mac OSX desktop programming in C++/Cocoa, but I have experience programming for Windows, Mac, and Linux. Besides C and C++, I'm comfortable programming in Python, Ruby, Java, and Bash. Apart from programming, I'm also looking for jobs that include Website Design and Development (either through a service such as Wordpress or in pure HTML) and system administration work. My past work experience includes a year-long internship at the Phoenix-based engineering company Dignified Motors, multiple years of work as a general "Technology Consultant" for Values Quest LTD, and approximately one year of work with IFoundAgent, providing support and consulting for a Wordpress based website.

$11.11 /hr
42 hours

Maxim Tarasenko

Maxim Tarasenko

System Administrator, Web Developer, System engineer

Kyrgyzstan - Tests: 3 - Portfolio: 2

I should position myself as a specialist in the field of Internet technologies. My strengths in this area of expertise, I believe the following: programming languages such as python, bash, php, sql excellent knowledge of linux and unix systems in general installation and tuning services and high-level applications such as LAMP, dns, postgres, oracle, squid, smtp, pop3, postfix, exim, cPanel/WHM, ISPmanager, DirectAdmin, Plesk, etc. optimization, clustering, big data, high availability, failover virtualization (VMware, KVM, Xen, OpenVZ, Proxmox Citrix) knowledge of TCP/IP and the OSI model (vpn, port-forwarding, routing, BGP).

88% Job Success
$5.56 /hr
25 hours

Amal Antony

Amal Antony

ASTERISK ,Web Hosting, cPanel, Cloud Linux,Onapp, Plesk, Linode, LAMP

India - Tests: 2 - Portfolio: 2

My objective is to bring excellent client satisfaction, providing quality and professional work. I am an IT Engineer with bachelor degree. I'm also an experienced Linux and VoIP Server Administrator, areas of my expertise are: *Asterisk - Freepbx , Elastix , Vicidial , Goautodial , SIP , DAHDI , GSMintegration *Linux - CentOS, RedHat, Debian, Ubuntu, Gentoo (administration, configuration, audit, optimization) *Webhosting Administration (cPanel, Plesk, DirectAdmin) *Virtualization (Onapp,VMWare, VirtualBox, HyperVM, OpenVZ, Xen) *Amazon AWS setup using or Amazon tools *Apache (installation, configuration, optimization) *MySQL (installation, configuration, optimization) *Subversion systems - SVN, Perforce (instalaltion, configuration) *Atlassian JAVA applications - Jira, Confluence, etc. (installing and configuring) *Mail programs (Exim, Postfix, Qmail, dovecot, ssmtp) *System Backup and Restore automatization *System Services Monitoring automatization *Shell Scripting

67% Job Success
$15.00 /hr
299 hours

Anthony B.

Anthony B.

Technical Support

Philippines - Tests: 5 - Portfolio: 2

Its been 12 years, and yet active as technical resource and primary point of contact for server and network administration. I have successfully implemented and migrated Databases (postgres, mysql, MS Sql 2005 & 2008), Setup windows Server (2000NT, 2003, 2008, 2012), and Unix/Linux as System Administrator. And as network administrator constructed structured cabling, deployed and manages switches (L2), routers from small to corporate offices, firewall like SonicWall 5060 & NSA 5000 series, and Cisco ASA 5510/5505. I am also knowledgeable in developing Web design using Dreamweaver, Html, Php and MySql.

$17.78 /hr
16 hours

Vuk M.

Vuk M.


Serbia - Tests: 17 - Portfolio: 8

11 years of developer experience. If something isn't working, tell me why and I'll fix it. I want to earn my money. *** Work I do: • anything WordPress! • website development / security / speed • custom scripts, themes, plugins and applications • vps / dedicated setup, part time *nix admin • fixing errors My design skills are often sufficient (i.e. when modifying an existing WordPress theme), but I suggest you hire a professional designer if a new theme is being built or a logo / banner is needed. *** Please do… DO feel free to go negative about things you don’t like. If you don’t tell me what you think isn’t working, I’ll show you the same thing again and again. DO point out and go into as much detail as possible as to why you feel something is not working. More than anything, your reasoning is critical to solving the problem. DO speak to your goals and priorities for the project. DO tell me why I'm wrong about certain design and development decisions we’ve made. Part of the process is finding those holes. DO limit the amount of people participating in the review cycle to as small as possible - for faster, more succinct feedback. *** Please don't… DON’T mock up designs or alterations to my designs or code in photoshop, word, or any other program. Doing so is counter productive because I then must reverse engineer the whole thing to find out what you were trying to solve. This results in lost time, and budget. DON’T prescribe solutions, because prescriptive feedback also needs to be unpacked, and reverse engineered to get to the real issue. Bad → “Move the twitter button to the left” / Better → “We want more importance placed on the social media sharing tools.” DON’T forget you hired development and design experts and your job is to be the business expert. Best, Vuk

53% Job Success
$12.00 /hr
86 hours

Syed samar H.

Syed samar H.

Web Developer/ API and Web service Developer

Pakistan - Tests: 4 - Portfolio: 11

I am developing websites and web-services[Rest/JSON] for mobile applications using different PHP frameworks since January 2012. I am currently using Yii 1.x-2.x, Cakephp 1.3-2.x,Code Igniter,Zend framework 2, myBB forum 1.6,Smarty 3, MySql, Ajax, Javascript, jQuery, JQuery UI, JQuery Moblie, Bootstrap2, HTML, CSS, JSON,Google Maps API, Mail Chimp API framework,Mozilla Openbadges, Zencoder, Mandrill, Amazon S3 and SES, twilio(for sms), textlocal, FaceBook API, Twitter API, Paypal Integeration. I have also done query optimization and performance increasing in my project. I have also used memcached I have also knowledge of C, C#, ASP.Net, Java, JSP, SQL Server. I have very little knowledge of Objective C and iPhone You can see my Project Details below link Blog: Stack Overflow: LinkedIn URL:

100% Job Success
$13.33 /hr
52 hours

Nijat Alakbarov

Nijat Alakbarov

Software Developer / Database Administrator

United Kingdom - Tests: 6 - Portfolio: 4

Hi, My name is Nijat Alakbarov. 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'm honest and fair. Since 2007, I'm an Oracle database administrator/developer. Developing procedures/functions (PL/SQL) and server (big data, cluster programming, high load). Also from 2010 I develop applications on JAVA. Thank you in advance for your time and consideration. I look forward to working with you soon. I have a Masters degree in Software Engineering from the University of Birmingham, in the United Kingdom. Listed below are my experience and skills. - Database: Oracle, MySQL, PostgreSQL - OS: Linux, Windows, Mac OS X; - Java Core: Java Core, Multithreading, Collections API, etc; - Frameworks: Eclipse RCP, JUnit; - Core web: XML, JSON, HTML/CSS, JavaScript; - CMS: Joomla, Drupal. - IDE: Eclipse; - Bug/Issue trackers: Jira, Assembla, Redmine; - UML.

86% Job Success
$28.00 /hr
697 hours

Tewfik D.

Tewfik D.

IT Expert, Web developer, Linux Sysadmin

Algeria - Tests: 5 - Portfolio: 13

Holding an Engineering Degree in Control & Automation, with 7+ years experience in the IT field, I am routinely dealing with web projects and embedded systems development. Specialized in Linux/Unix environments, committed to high-standards and a sense of responsibility, I will be happy to collaborate in web-services projects and server administration jobs.

$11.11 /hr
71 hours