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@valerianmartin
Flag of Moldova, Republic of Chisinau, Moldova, Republic of
Member since July, 2010
0 Recommendations

logicwreck

Skills: Operating Systems Skills: * Linux (kernel 2.4-2.6). * BSD (FreeBSD 5x-8x). * Windows (9x/Me/NT/2000/XP/2003/2008). Networking Skills: * OSI Model. * LAN: TCP/IP, IPX/SPX, NetBEUI. * WAN: PPP, SLIP, PPTP, PPPoE. * IP Routing: Static/RIP/OSPF/BGP on Zebra/Cisco/PFsense. * LAN Bridging and Switching : VLAN * Advanced Routing, QOS and Traffic Control in Linux with iproute2+iptables: SNAT, DNAT. * Traffic Shaping/Classification/Prioritization with CBQ, HTB, IPFW and other queueing disciplines. * Information Security: Firewall, NAT, OpenSSH, OpenSSL,OpenVPN, IPSec, OSsec, logwatch, hardening techniques. * Network management, monitoring and problem notification (Cacti ,Nagios, Zabbix, MRTG and self-developed software). Network Services Skills: * WEB (Apache with MySQL/Postgres integration, nginx with php-fpm, nginx as frontend and apache as backend, lighthttpd(did custom configs for PFsense firewall(FreeBSD based)), IIS). * WebHosting Panels (Plesk,Cpanel,Webmin,DirectAdmin,Hsphere). * Vitualization (VMware/ESXi - currently studying the API and writing simple perl scripts to manage the ESXi/Vsphere Center software,Virtuozzo,Amazon cloud,Xen). * E-Mail (Sendmail/Postfix/Exim/QMAIL + Courier IMAP/POP3,Dovecot IMAP/POP3). * FTP (ProFTPd,vsftpd,pure-ftpd). * SSH (OpenSSH). * DNS(bind,pdns). * DHCP/BOOTP. * RDBMS (MySQL/PostgreSQL,Oracle(can install, no deep knowledge),MongoDB,MarkLogic). * Samba(file server and PDC). * Tomcat * Rsuite * RabbitMQ * Asterisk installing + billing - didn't do though any serious configuration for it yet. * Optimization of LAMP servers using( MPM worker for apache), mysql tweaking, nginx+apache(nginx as frontend/load-ballancer) setups. * Puppet/Chef installation, operating and recipe/cookbook development, senior in chef and middle in puppet. Hardware skills: * Layer 2/3 Switches: Allied Telesyn, D-Link, Corecess, Cisco(Catalyst 2950 and 3650 series), 3COM, HP Managed Switches Configuration and Installation. * xDSL Hardware: Zyxel, Corecess, Dynamix, D-Link, Huawei, Planet and Lucent DSLAMs and Modems Configuration and Installation. * Routers: Cisco Routers(2500,2600,4700 and 7200 series). Programming Skills: * C/C++: ANSI C/ISO C++ Language, UNIX System and Network Programming. * Perl: CGI/FastCGI Programming, System Administration and Automation Solutions. * PHP: System Administration and Automation Solutions for MySQL/PostgreSQL. * Web Development: LAMP (Linux + Apache + PHP + MySQL and related(like nginx+php-fpm)), HTML, CSS, CGI, JavaScript. * bash/sed/awk/grep/cut: System Administration and Automation Solutions. * SQL: Pl/SQL, ANSI Standard SQL, miscellaneous MySQL extensions. * Python: System Administration and Automation Solutions. * Ruby: System Administration and Automation Solutions. * Puppet/Chef: Automation solutions using these technologies. Development Skills: * Development: Automation Solutions, non-standart solutions(such as SNMP statistic gathering over SSH for further use by MRTG), basic control panels(for site-creation), mass mailing integration of Postfix + mailing application + rotation scripts. RDBMS Skills (installation/administration/programming): * MySQL (programming and integration with miscellaneous system services). * PostgreSQL (programming and integration with miscellaneous system services). * MongoDB (Installation and automation of installation) * MarkLogic (Installation, DB creation, administration) Achievements: * Automation solution for automatic site creation from a core site using bash and php for * MongoDB puppetization in the AWS environment to make it work in master-slave mode. * PostgreSQL chefization in the AWS environment to make it work in master-slave mode. * RabbitMQ chefization in the AWS environment to make it work in cluster mode composed of 2 servers. * Failover, Email and other misc chef cookbooks also used for the chefization of environments under AWS. * Client Database written for ServerSurgeon in Mysql/PHP. * Wrote different automation scripts in ruby and python for the deployment of needed environment stuff. * Built a team of developers and lead it for the development of a serious project for GameScale/Gametech. * Mass mailing system setup and configuration with writing script to rotate IP/Hostname etc. for the mailing application/mail server(postfix). * Wrote a simple control panel for site creation in php + bash and another to call directly php scripts using lighthttpd(with its tweaking). * Setting up routers on FreeBSD/Linux and automating traffic shaping and other tehniques on them(RTL ISP, Telemedia(now Orange) ISP) with easability of management. * Different scripts for monitoring, reloads, checks, automatition etc. written in bash/perl. * Implementing differet server automation techniques. * Using perl for dynamicalization of vhosts on nginx. * Built the development department for and leading it until today. * Different misc solutions written in python and ruby and available at including the first realization of the AWS Signature version 4 written in ruby -

$20 USD/hr
9 Reviews
4.5
  • 100%Jobs Completed
  • 100%On Budget
  • 100%On Time
  • 10%Repeat Hire Rate

Recent Reviews

  • image of luke99 AWS Expert needed -- 3 $50.00 USD

    “Very dedicated, knowledgable and helpful professional with top availability - clear and fast communication. Just an exemplary freelancer! Thanks a lot!”

    luke99 Flag of Austria 1 month ago.
    • Amazon Web Services
  • image of edmardaniel configuration Amazon Web Services for Linux PHP $150.00 USD

    “Very Good knowledge about Amazon Web Services. [21 January, 2014] Nice work!”

    edmardaniel Flag of Brazil 1 year ago.
    • PHP
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    • Amazon Web Services
  • image of mokanfar Setting up AWS Server Space Administrator Position - open to bidding $530.00 USD

    “great sysadmin very knowledgeable and fast”

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    • Amazon Web Services
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    “All done, excellent.”

    boardhousebali Flag of Finland 1 year ago.
    • Cloud Computing
  • image of hostiau Bonus for Martin Valerian $31.50 USD

    “Rating: 5.0/5.0”

    hostiau Flag of United Kingdom 2 years ago.
    • PHP
    • System Admin
    • Linux
    • Software Architecture
    • Software Testing
    • Website Testing
    • MySQL
    • Website Management
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    • Web Hosting
  • image of hostiau Linux Web Server with Plesk Control Panel Admin Required $80.75 USD

    “Valerian Martin is a pleasure to work with. Delivering results very quickly, for a reasonable price. Also provided advice for the future too. I look forward to working with this worker again! Thanks very much! If you need someone to help you with your linux based server speak to Valerian!”

    hostiau Flag of United Kingdom 2 years ago.
    • PHP
    • System Admin
    • Linux
    • Software Architecture
    • Software Testing
    • Website Testing
    • MySQL
    • Website Management
    • Database Administration
    • Web Hosting

Experience

CEO

Jul 2012

Company that I've created for IT services together with my friend. It provides a variety of IT services from system administration to development and IT management.

Education

Licentiate

2003 - 2007 (4 years)

Certifications

CCNA (2002)

CCNA courses at DNT association.

Publications

Solutions

Starting June 2012 we've published some solutions for various IT needs at

Badges

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    Complete a project worth over $500USD (or equivalent) on Freelancer.com.
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    Log in every day for 1 week.
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    Create an hourly invoice.
  • All Star

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

    Complete your first project.
  • Nine-to-Fiver

    Win a project and accept the offer.
  • The Perfectionist

    Edited a bid.
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    Pass the US English Exam (Level 1)
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    Bid on 20 projects.
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    Verify your payment method
  • Pro-Profile

    Complete your Profile 100%.
  • The Collector

    Reach a balance of 5,000 credits.
  • Smart Money

    Create 10 Milestones.
  • High Roller

    Complete a project worth over $500USD (or equivalent) on Freelancer.com.
  • All Star

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

    Log in every day for 1 week.
  • The Biller

    Create an hourly invoice.
  • The Adventurer

    Complete your first project.
  • Nine-to-Fiver

    Win a project and accept the offer.
  • The Perfectionist

    Edited a bid.
  • US English Qualified

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

    Bid on 20 projects.
  • The Verified

    Verify your payment method
  • Pro-Profile

    Complete your Profile 100%.

Exams

  • US English Level 1
    88%

My Top Skills

  • Amazon Web Services 7
  • Linux 6
  • PHP 5
  • MySQL 5
  • Web Hosting 4
  • System Admin 3
  • Project Management 2
  • Engineering 2
  • Nginx 2
  • Database Administration 2
  • Java 1
  • Web Security 1
  • Testing / QA 1
  • Computer Security 1
  • Cloud Computing 1
  • Perl 0
  • Javascript 0
  • XML 0
  • Python 0
  • Script Install 0
  • Windows Desktop 0
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  • Ruby on Rails 0
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  • User Interface / IA 0
  • Oracle 0
  • CMS 0
  • Cisco 0
  • Articles 0
  • Web Search 0
  • Apache 0
  • Technical Support 0
  • Article Rewriting 0
  • NoSQL Couch & Mongo 0
  • Plesk 0
  • Parallels Automation 0
  • Linkedin 0
  • Scrum Development 0
  • OpenCL 0
  • WHMCS 0
  • Puppet 0
  • Chef Configuration Management 0
  • PostgreSQL 0

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