David S. Profile

5.0

(3 reviews)

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$25 USD / hour

prague,

czech republic

$25 USD / hour

It's currently 9:59 AM here

Joined April 23, 2012

0 Recommendations

David S.

@dsumsky

5.0

(3 reviews)

2.8

100%

$25 USD / hour

prague,

czech republic

$25 USD / hour

100%

Jobs Completed

100%

On Budget

100%

On Time

N/A

Repeat Hire Rate

Open Source = Choice

Specialties UNIX flavors - Linux, RHEL/CentOS, SLES, Ubuntu, Solaris Virtualization - VMware vSphere, KVM/libvirt, Xen, Solaris Zones, P2V Servers - HP, Dell, Oracle, IBM Storage - HP, IBM, Oracle, LSI, SAN FC/iSCSI, NAS Networking - 10G Solarflare, FC Brocade/QLogic, Infiniband LAMP, Squid, ISC Bind/DHCP, Postfix NetFilter/iptables, OpenVPN, OpenSSH Samba/CIFS, NFS, FTP, ZFS NetIQ, Munin, Monit RHN Satellite/Spacewalk UNIX shell scripting, Bash/Ksh Perl, Python

See all Linux Developers in Czech Republic

Contact David S. about your job

Portfolio

113281

Python

113309

System Administration II.

113319

System Administration I.

113271

Perl

113296

Shell scripting

113281

Python

113309

System Administration II.

113319

System Administration I.

113271

Perl

113296

Shell scripting

Reviews

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Showing 1 - 3 out of 3 reviews

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5.0

£60.00 GBP

Upgrade VMware ESXi 4.1 to ESXi 5.1 without losing VM's

Very competent and helpful. Many thanks for your help

Linux

Adam T.

@adznon

•

11 years ago

5.0

$30.00 USD

Shell or Perl script for removing number ACL from files

Excellent coder. Very fast delivery. Clean and well-structured code. Recommended. A++++++++++

Perl

Software Architecture

Shell Script

Ondrej J.

@Nepto

•

11 years ago

5.0

€130.00 EUR

Project 1706299 has been deleted

David has been an excellent professional throughout the completion of this Project. He understood from the beggining all the requirements of the Project, he represented progress of the project while working on it before the delivery and discussed any inquiries or possible improvements. I would definately do businness again with David

Closed User

@mmihalos

•

12 years ago

Experience

Deutsche Boerse

Sep 2011 - Present

Pro-active monitoring, troubleshooting and administration of the trading system infrastructure of the global customers of Deutsche Brse Group. Pre-configuration and implementation of hardware and software within the connection process of new customers. Design and implementation of technical changes to the global customer offering. Premium customer support. Front-End Services.

UNIS Computers

Jan 2006 - Aug 2011 (5 years, 7 months)

Design and administration of UNIX systems. Design, sizing and implementation of server/storage hardware and SAN networks. Design and implementation of VMware virtual infrastructures. Monitoring, troubleshooting and optimisation of the systems. Customer support.

UNIS Computers

Jul 2004 - Dec 2005 (1 year, 5 months)

Design and administration of Linux systems. Monitoring, troubleshooting and optimisation of the systems. Design, sizing and implementation of server hardware. Customer support.