Profile image of ancientb
@ancientb
Flag of Greece Ioannina, Greece
Member since April, 2009
2 Recommendations

Kostas Berios

Experienced in Linux System Administration including Servers and Shell/C/C++ Scripting.

$15 USD/hr
54 Reviews
5.1
  • 64%Jobs Completed
  • 93%On Budget
  • 98%On Time
  • 5%Repeat Hire Rate

Recent Reviews

  • image of soptom Open ERP 7 installation on CENTOS €88.00 EUR

    “Fine service, perfect communication, delivered on time. Will hire again in the future”

    soptom Flag of Greece 1 year ago.
    • Java
    • Python
    • Web Security
    • ERP
    • PostgreSQL
  • image of stickitgr Prestashop Optimise Peformance Time to first byte $83.00 USD

    “Excellent work. Very good communication and very helpfull. He worked late hours so my site was not down at peak time. Finaly the is optimized further than expected, thanks a lot Kosta!”

    stickitgr Flag of Greece 1 year ago.
    • PHP
    • Prestashop
    • MySQL
  • image of sandmann0o Sshd authentication through Mysql $60.00 USD

    “Very good”

    sandmann0o Flag of Brazil 2 years ago.
    • System Admin
    • Linux
  • image of balazskesmarki Nominatim installation with full planet on debian squeeze $70.00 USD

    “Due to underestimation and unexpected technical problems, the project couldn't be completed. The root cause of the failure is still unknown, no problem description, no any sort of report on the job has been delivered yet.”

    balazskesmarki Flag of Hungary 2 years ago.
    • PHP
    • Script Install
    • Linux
    • SQL
    • Shell Script
  • image of iFindSystems Geoloqi Map Attack Installation $135.00 CAD

    “He did a fantastic job. Looking forward to working with him again.”

    iFindSystems Flag of Canada 2 years ago.
    • Linux
    • Ruby on Rails
  • image of Expertindian Security Report on 5 Website. $30.00 USD

    “Worked as expected. Perfect in all aspects.”

    Expertindian Flag of India 2 years ago.
    • Script Install
    • System Admin
    • Web Security
    • MySQL

Experience

Level II & III System Administrator

Oct 2012

Level 2 & 3 System Administrator at Biznet Infoservices ( ).

System Administration

Mar 2012 - Apr 2012 (1 month)

Periodical System Administration and Optimization to achieve best performance per system resources.

Education

8.0

2007 - 2011 (4 years)

Badges

  • Simply the Best

    Complete 5 or more projects, with a 95% completion rate.
  • The Collector

    Reach a balance of 5,000 credits.
  • Full Service

    Successfully complete a contest, then use the design to complete a project.
  • Essential Credentials

    Update your account details 100%
  • Backup plan!

    Verify a backup payment method
  • The Selector

    Award 1 contest.
  • The Regular

    Log in every day for 1 week.
  • Fast Responder

    Bid within 2 minutes of a project being listed.
  • Deck the Halls

    Participated in the 2013 twelve days of Freelancer Festivities
  • Contest Host

    Post a contest.
  • Proven Identity

    Complete your Email, Phone and Payment verifications.
  • Quick Pick

    Award your project within 24 hours of posting
  • The Giver

    Award your project to a Freelancer.
  • The Verified

    Verify your payment method
  • Smart Money

    Create 10 Milestones.
  • Nine-to-Fiver

    Win a project and accept the offer.
  • US English Qualified

    Pass the US English Exam (Level 1)
  • The Adventurer

    Complete your first project.
  • All Star

    Receive a 5-star rating for a project.
  • The Prospector

    Post your first project.
  • The Speculator

    Sponsor 1 bid.
  • The Seeker

    Bid on 20 projects.
  • The Perfectionist

    Edited a bid.
  • Insta-Hire

    Use Hire Me to employ a Freelancer.
  • The Collector

    Reach a balance of 5,000 credits.
  • Deck the Halls

    Participated in the 2013 twelve days of Freelancer Festivities
  • Simply the Best

    Complete 5 or more projects, with a 95% completion rate.
  • Full Service

    Successfully complete a contest, then use the design to complete a project.
  • Backup plan!

    Verify a backup payment method
  • Smart Money

    Create 10 Milestones.
  • All Star

    Receive a 5-star rating for a project.
  • Essential Credentials

    Update your account details 100%
  • The Selector

    Award 1 contest.
  • The Regular

    Log in every day for 1 week.
  • Fast Responder

    Bid within 2 minutes of a project being listed.
  • Contest Host

    Post a contest.
  • Proven Identity

    Complete your Email, Phone and Payment verifications.
  • Quick Pick

    Award your project within 24 hours of posting
  • The Giver

    Award your project to a Freelancer.
  • The Verified

    Verify your payment method
  • Nine-to-Fiver

    Win a project and accept the offer.
  • US English Qualified

    Pass the US English Exam (Level 1)
  • The Adventurer

    Complete your first project.
  • The Prospector

    Post your first project.
  • The Speculator

    Sponsor 1 bid.
  • The Seeker

    Bid on 20 projects.
  • The Perfectionist

    Edited a bid.
  • Insta-Hire

    Use Hire Me to employ a Freelancer.

Exams

  • Freelancer Orientation
    80%
  • General Orientation
    84%
  • C 1
    83%
  • Shell Script
    78%
  • US English Level 1
    90%
  • Unix Level 2
    75%

My Top Skills

  • Linux 27
  • PHP 20
  • Script Install 13
  • System Admin 11
  • Apache 9
  • Web Security 7
  • Java 5
  • Shell Script 3
  • Ruby on Rails 2
  • C Programming 1
  • Video Upload 1
  • UNIX 1
  • Magento 0
  • Bulk Marketing 0
  • Advertising 0
  • C# Programming 0
  • DNS 0
  • Nginx 0
  • C++ Programming 0
  • Anything Goes 0

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