Denis Chebotarev
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Denis Chebotarev

System/Network/DB Administrator


Novocherkassk, Russia


Highly experienced professional system/network administrator.- full support of the LAMP (linux apache mysql php) services installation, upgrade, tuning, configuring, back up and etc.- database support (mysql, postgresql usually but not limited to) installation, back up, management- virtualization (xen, citrixxen, openvz) have very good experience in this, making proposal to embed this technology at the firm i work at, usually work with VPS that are maintained using virtualization technology.- all common enterprise infrastructure tasks (domain management and setup, upgrade of the software on server and etc.)- server security configuration of firewalls for common tasks, for special access. using and management of ... moreready firewall systems (m0n0wall, pfSense, etc.)- support of windows servers (IIS, MS SQL, ASP.NET)- web hosting support (using WHM or Plesk)- other special tasks if needed less

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Work History and Feedback

  • Oct 2009 - Jan 2010

    Server Management
    Thank you very much for you help. I do appreciate it and wish you the best of luck in your future projects. Thanks again Denis. --Shane
    4 hours
    $16.67 / hr
    $64.01 earned

  • Oct 2008 - Aug 2009

    Windows and Linux System Administrator
    49 hours
    $12.22 / hr
    $592.67 earned

  • Feb 2009

    High load server experienced enginner
    $133.33 earned
    Fixed Price

  • Nov 2008 - Feb 2009

    FreeBSD Administrator / Backup

    No feedback given

    30 hours
    $16.67 / hr
    $508.44 earned

  • Dec 2008

    Quick job.
    1 hour
    $16.67 / hr
    $13.84 earned

  • Dec 2008

    LAMP- Webserver-Administrator, PHP, ideal: if German language
    Denis was quickly available as I needed help on a difficult matter. Thank you for this.
    3 hours
    $16.67 / hr
    $41.68 earned

  • View More (8)

Denis Chebotarev has more jobs to show. Create an account to review them.


Name Score (out of 5) Time to Complete
Dreamweaver 8 Test 3.40 Top 10% 16 mins
Firewall Concepts Test 3.60 Top 30% 39 mins
Ecommerce Test 2.60 Above Average 27 mins
Redhat Linux 9.0 Admin Test 3.00 Above Average 35 mins
Redhat Linux 9.0 General Test 4.25 Above Average 13 mins
Unix Test 3.50 Above Average 22 mins
Networking Concepts Test 3.00 Below Average 15 mins
Windows XP Test 3.75 Top 20% 8 mins
Upwork Readiness Test for Independent Contractors and Company Managers 4.20 Below Average 26 mins
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Work History

331 hours worked
23 jobs


More than 30 hrs/week

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