crashus3
Senior System Administrator & Security Expert
Username: crashus3
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Location: Kharkov, France 
Member since: March 2010
High-load web-environments are my primary interest. Vast experience in failover\clustering and ddos protection allows me to design and implement stable and efficient infrastructure exactly for application needs.\nI have extensive experience with multiple unix operating systems with an emphasis on FreeBSD but also linux, network hardware, system and network security as well as network design.\nI learn new concepts and systems quickly. I work well alone or in a group, I also have experience managing groups.\n\nTechnical experience:\n- 8 Years *BSD (Primary FreeBSD but have some NetBSD experience... also)\n- 8 Years linux (redhat and debian-based distros mainly)\n- 11 Years Windows as my main Desktop system, basic server support for windows 2003-2008 distros\n- Strong background in web hosting (Managing high-load servers, monitoring and server software maintenance + solving clients issues)\n- Strong background in networking\n- All kinds of web and mailing software (Apache, nginx, lighttpd, exim, postfix, dovecot, exchange)\n- Voip (Asterisk + FreePBX)\n- Systems monitoring and backups\n- Basic php and perl programming languages knowledge\n- High-load mysql tuning, basic postgresql setup\nNetworking:\n- Server configuration\n- Network troubleshooting\n- Basic switch and router maintenance\n- Network Load-balancing, failover\n- Ddos mitigation\n- Network subsystems monitoring (Nagios + Cacti)\nSecurity:\n- Unix security knowledge\n- Secure internet services\n- Lan\Wan security, VPN\n- Firewalls (ipfw, iptables + csf), D-link hardware firewalls\n- Encryption (PGP, SSL)\n- OS hardening\n- Network security design and implementation\n- Security audit
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$100 USD
DewDropStudios 
May 11, 2010
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Outstanding! Excellent communications and real knowledge. I would recommend this provider in a heart bit. Thank you very much.Outstanding! Excellent communications and real knowledge. I would recommend this provider in a heart bit. Thank you very much.
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Project Description: We currently have a Ruby On Rails powered site running on a server using Mongrel and would like to switch the server environment to Apache Passenger in order to run the Rails site along our other sites on the same server...
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$50 USD
danny70437 
Apr 29, 2010
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Excellent unix knowhow - excellent communication. I can recomment this provider. Thanks your very much.Excellent unix knowhow - excellent communication. I can recomment this provider. Thanks your very much.
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Project Description: Project: SP20100423 - Setup apache httpd reverseproxy (SP20100423) ** Brief description SSetup an apache2 'server-customer' as an reverseProxy to hide a apache2 'server-swd' and preserve ALL the functionallity of the 'server-swd'...
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$30 USD
tringster 
Apr 21, 2010
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The man is a wizard. Understood requirements and delivered in a timely manner. Hope to use him again. FIVE GOLD STARS *****The man is a wizard. Understood requirements and delivered in a timely manner. Hope to use him again. FIVE GOLD STARS *****
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Project Description: #1 Background: Looking to setup and document DNS fail-over redundancy with a website. Website currently sits on a share Linux web server with a web hosting provider. #2 Scope: To mirror existing website to another web server...
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$80 USD
gbrielat 
[ Incomplete Report ]
Apr 21, 2010
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Good to work with. But he tried to increase inbox delivery. But there was not much of an increase. I have tried to contact him on several times to see what else could be done but have no response. I can not keep working because I need a solution for my problem. So, I must close this project to re-post it.Good to work with. But he tried to increase inbox delivery. But there was not much of an increase. I have tried to contact him on several times to see what else could be done but have no response. I can not keep working because I need a solution for my problem. So, I must close this project to re-post it.
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Project Description: I own few website and promote my services by regular newsletter or email marketing but a high rate of my emails are bouncing or to the spam box. We are looking for an email marketing expert (Guru)...
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$50 USD
cbdukes [ Incomplete Report ]
Apr 16, 2010
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Mutual agreement to cancel projectMutual agreement to cancel project
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Project Description: I'm looking for someone to write Cacti templates to graph data pulled from mysql tables. I will supply the mysql commands, but I want someone to write both the Cacti templates and the backend script to pull the data (via perl or php, your choice) from mysql...
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$30 USD
hplovejet 
Mar 17, 2010
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really couldn't have been better - crash is a real unix expertreally couldn't have been better - crash is a real unix expert
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Project Description: Whenever I add or delete a product I get the following error: SQLSTATE[23000]: Integrity constraint violation: 1452 Cannot add or update a child row: a foreign key constraint fails (`subtshirt/catalog_product_entity_varchar`,...
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crashus3 has not completed any projects.
crashus3 does not have any work in progress.
crashus3 does not have any open projects.
crashus3 does not have any work in progress.
[ Incomplete Report ]
