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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
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  • 100%Jobs Completed
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Recent Reviews

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)

DNT

CCNA courses at DNT association.

Publications

Solutions

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

Exams

  • US English Level 1
    88%

My Top Skills

  • Amazon Web Services 8
  • 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
  • Electronics 0
  • Ruby on Rails 0
  • Joomla 0
  • Android 0
  • Game Design 0
  • Social Networking 0
  • SQL 0
  • Wordpress 0
  • Blog 0
  • Customer Support 0
  • 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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