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Rate: $30.00 USD/hour
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codetrance

Cluster architecture design. Server security and optimization

Username: codetrance

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Location: Zwolle, Netherlands

Member since: February 2006

Reputation:

5.0/5

(118 reviews)

6.1
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4 users have recommended this freelancer.

My skills:

My projects:

  • £60.00 GBP
    4.4
    Profile image for Seller trilson

    trilson

    15 days ago

    Did as good a job as possible given the resources available

    Project Description:Muselive.com is backed by a MySQL database, however since our website nice recently it has been running very slowly. We think that the database is not correctly configured or optimised. We would like something to take a look at our current set up and make changes to improve performance...
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  • $75.00 USD
    5.0
    Profile image for Seller egmMedia

    egmMedia

    Jul 2, 2014

    Patient, thorough and crystal clear in communication. Will hire again.<br/>

    Project Description:Beste Freelancer, Ik ben zelf een ontwikkelaar van eCommerce, CMS &amp; CRM systemen (en koppelingen tussen deze systemen). Voor een aantal klanten wil ik ook wat (geoptimaliseerde) hosting aanbieden voor voornamelijk Magento &amp; Wordpress...
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  • $50.00 USD
    5.0
    Profile image for Seller CarloGambino

    CarloGambino

    Jun 22, 2014

    Great Job! Recommend!

    Project Description:My admin is on vacation and I need installation of new VPS - Centos x64 last stable release. I have VMware vSphere access and also full access via Idrac to the server. I need apache, MySQL + php. We...
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  • $30.00 USD
    5.0
    Profile image for Seller wuestenigel

    wuestenigel

    Jun 19, 2014

    very professional freelancer with a great knowledge.

    Project Description:I migrated to a root server and some old php scripts do not work. They use scandir and the error message is: scandir(): open_basedir restriction in effect. File(/srv/www/vhosts/xxx.com/httpdocs/wp-content/userUploads/xxx/)...
    [more]
  • $50.00 USD
    5.0
    Profile image for Seller CarloGambino

    CarloGambino

    Jun 19, 2014

    Great freelancer and good professional, will hire again!

    Project Description:Hi, I tried to upgrade MySQL from 5.1 to 5.5. via WHM but it didn&#039;t happen. Attached is the output... Also /scripts/check_cpanel_rpms --fix didn&#039;t help. Currently MySQL is not running.
    [more]
  • kr1700.00 SEK
    5.0
    Profile image for Seller mattiaslyth

    mattiaslyth

    Jun 16, 2014

    Thanks, let's keep in touch.

    Project Description:I&#039;m looking for an Magneto hostig expert to configure an optimized stack for a Magento site receiving a medium amount of traffic. I will supply you with a clean VPS of either Debian,Ubuntu or CentOS (your choice)...
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  • $250.00 USD
    5.0
    Profile image for Seller josch12

    josch12

    Jun 10, 2014

    A verry godd freelancer

    Project Description:hello, We have a Magento store with the following hardware: Magento enterprise edition 1:13 Debian (without controllpanel) Intel Xeon E5-1650 3.7 Ghz 48 Gb Ram ou shop run in a virtual environment...
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  • $120.00 USD
    5.0
    Profile image for Seller lampodiiluce

    lampodiiluce

    May 7, 2014

    This man is simply great. No more words are needed. Thanx

    Project Description:I am having some problems with my server. They seems to be connected with /tmp partition too small and/or cache files not being accessible by the server after they have been created. i get error like...
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  • $100.00 USD
    5.0
    Profile image for Seller rossi256

    rossi256

    Apr 12, 2014

    Great comunication and top tech level!<br/>

    Project Description:Need an affordable expert to enhance current servers performance and work through tasks for me every now and then. Currently the server is set up running on ubuntu 12.04 with zpanel, apache, nginx as reverseproxy, php5, mysql, postfix, clamav, and an openerp server...
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  • $60.00 USD
    5.0
    Profile image for Seller alwaysontask

    alwaysontask

    Mar 31, 2014

    Excellent job, I do recommend.

    Project Description:Need to disable a faulty module on a virtual private server and check for a coupe of minor issues to fix.
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    codetrance has not completed any projects.
  • $25 USD/hr In Progress

    I do run an apache server which is getting a high load of spammers recently.I need someone to help me securing it better. details by PM.

  • $45 USD In Progress

    Dear codetranceThe issue is described in details in a private message to you

  • $30 USD/hr In Progress

    We hebben een module draaien op de magento cron, echter stopt deze met synchroniseren na 60 records met de volgende melding;503 Service UnavailableError 503 Service UnavailableService UnavailableGuru Meditation:XID: 238434493Varnish cache serverIk heb het vermoeden dat het te maken heeft me de VCL instellingen, maar hier heb ik zelf niet het nodige verstand van.Kan jij op (zeer) korte termijn helpen?Mvg,Mike

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  • $30 USD/hr In Progress

    Beste Freelancer,Ik ben zelf een ontwikkelaar van eCommerce, CMS & CRM systemen (en koppelingen tussen deze systemen). Voor een aantal klanten wil ik ook wat (geoptimaliseerde) hosting aanbieden voor voornamelijk Magento & Wordpress.Om dat te verwezenlijken zoek ik iemand die een VPS kan inrichten (o.a. periodieke backups) en die daarnaast het platform kan optimaliseren/af en toe kan onderhouden.Ik ben 2/3 dagen in de week in Zwolle werkzaam, graag spreek ik een keer af om de mogelijkheden te bespreken.Met vriendelijke groet,Mike

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  • £59 GBP In Progress

    i have a website being hosted on a virtual server (1and1). Recently the server/container stops running and my website goes offline (internal server error) and my emails also stop working. I need someone with high level of experience and knowlegde using plesk, virtuozzo, SSH etc. to come and have a look at my and fix the problem out. Once you fix the issue i will pay you GBP 59.00 but only after the problem has not come back for a few days. if you are capable and i am pleased with your work i will look to appoint you as my dedicated admin for the website so that you can be my point of contact for any future issues.

    [more]
  • $25 USD/hr In Progress

    I am looking for somebody who knows linux servers. I need you to pro-actively manage my CentOS server.I need somebody who knows how to make cron backups of directories I choose and databases on daily basis. Need to track file changes of specific directories I choose.I need somebody who is good with SSH commands and that can install scripts I need done through SSH.You MUST understand web security and know how to also read logs and explain to me exactly what happened if a site got hacked etc.You will also need to understand server optimisation.You also need to understand DNS.Im looking for ongoing partner as I have a few dedicated servers and will be growing so need to find admin I can trust.

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  • $100 USD In Progress

    Need some support and initial setup on our dedicated server to have it pointed to the domain names as well as resolving some server issues.

  • $25 USD/hr In Progress

    Need an affordable expert to enhance current servers performance and work through tasks for me every now and then.Currently the server is set up running on ubuntu 12.04 with zpanel, apache, nginx as reverseproxy, php5, mysql, postfix, clamav, and an openerp server.Looking for one person to work with repeatedly with occuring tasks, hourly based.thanks!

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  • $30 USD/hr In Progress

    2 CentOS 5 VPS servers, firewall

  • $30 USD/hr In Progress

    I have ongoing work related to our previous project &quot;Rectification of mail server issue&quot;

  • $25 USD/hr Yesterday

    Sometimes the site is getting slow, I suspect it&quot;s something to do with the Apache settings\SQL, CPU is around 60%-80%.I&quot;m getting disk IO rate warnings from my server provider.Need an expert to identify what is causing it.Running on Centos 6.2 + Cpanel\WHM.

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  • €30 EUR/hr Yesterday

    For a client, we are deploying a huge server for magento hosting.The server is configured with nginx, php-fpm, apc op-cache, and powered by Debian 7.6.0.We need an engineer who can fintune/adjust the software running on the server to optimize the shop on the server to run as smoothly and fast as possible, as well as creating cronjobs for backup, varnish purging etc.We expect you to have great knowledge, and understanding of Magento CE, Varnish, NGINX, PHP-FPM, OPCACHE (APC) and MYSQL, and we also expect you to complete this job efficiently, and without our assistance.We also expect you to propose other software needed to make the magento shop more reliable and/or run faster.Do not apply for this job, if you do not have experience with anything within our requirements.

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  • $350 USD Yesterday

    Hey,I&quot;m looking for a linux expert who can tune my servers.I just signed up for cloud at digitalocean.com and my needs are:1st server (Mysql DB server): Secure and install mysql and tune mysql for better performance2nd server: Load balancer3rd & 4th server: secured lamp/lemp server with HIPHOP(hhvm) support (need to configure only once, later i can duplicate the vps)5th server: Secured linux server with cpanel (i&quot;ll supply the licence)

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  • $50 AUD/hr Yesterday

    Security expert needed to help against DDOS attacks we are experiencing, please only enquire if you are very skilled in this department..

  • $1500 USD 4 days ago

    I need someone with experience administering LEMP stack servers to optimize the configuration of my Linode. I have the following installed:- Linux Ubuntu 12.04- nginx- PHP 5.4 FPM- APC cache- Wordpress MultisiteI&quot;m not wedded to using APC for caching if you know of something better. I&quot;m currently having trouble with APC caching not invalidating data properly in the Wordpress Admin area.Happy to pay a monthly retainer to the right person.Please include examples of sites that you currently administer in your applications. United States freelancers only.

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  • $50 USD 5 days ago

    Hey guys,I need a quick help with a VPS i bought.I purchased a VPS with WHM on it.I need someone who will help me and guide me in creating DNS, CPanels etc.Also i might need him to install SSL on the websites in the server.Job should probably be less then 4 hoursExcellent english is a mustOffers more then 50$ will be rejectedThe Freelancer I will choose probably will work with me again in future. as i always need a server admin,

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  • $150 USD 6 days ago

    Hi, we are having trouble on our dedicated server, seems like it has been compromised and is joining in a ddos attack. WE are looking for a security expert to remove this infection, prevent it from happening again by enforcing more firewall/security. Our server is linux, running cpanel.Log from Host DateTypeJul 25, 2014 12:13:32 PMHackJul 25, 2014 12:11:11 PMNetboot Update(system was in rescue mode)Jul 24, 2014 11:00:33 AMNetboot Update(system was in rescue mode)Jul 23, 2014 1:14:30 PMNetboot UpdateJul 23, 2014 11:48:43 AMHackJul 23, 2014 11:46:24 AMNetboot UpdateLog of attack/botAttack detail : 49Kpps/330Mbps dateTime srcIp:srcPort dstIp:dstPort bytes protocol25 Jul 2014 19:10:21:839 GMT myip:12446 remoteip:80 888 TCP25 Jul 2014 19:10:21:886 GMT myip:31277 remoteip:80 888 TCP25 Jul 2014 19:10:22:831 GMT myip:10675 remoteip:80 888 TCP25 Jul 2014 19:10:21:863 GMT myip:18645 remoteip:80 888 TCP25 Jul 2014 19:10:21:877 GMT myip:25633 remoteip:80 888 TCP25 Jul 2014 19:10:21:898 GMT myip:31893 remoteip:80 888 TCP25 Jul 2014 19:10:22:828 GMT myip:34812 remoteip:80 888 TCP25 Jul 2014 19:10:21:878 GMT myip:37117 remoteip:80 888 TCP25 Jul 2014 19:10:21:910 GMT myip:2425 remoteip:80 888 TCP25 Jul 2014 19:10:21:843 GMT myip:7624 remoteip:80 888 TCP

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  • $250 USD 8 days ago

    Hii want to transfer my websites to a new server3 websites based on joomla script

  • $100 USD 9 days ago

    Hi im looking for one expert for server managementlinuxi need urgentregard

  • $110 USD 10 days ago

    I have had my wordpress server hacked and I cannot stop them from sending out email and phishing scams..I am looking for some help on how to secure my wordpress sites. I migrated all the sites to a new server and before I go live with it I want to have help securing the server.please describe what you can do for me to secure the server..

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  • $80 USD 11 days ago

    Hello,I&quot;m looking for an experienced system admin to help us to optimize the server load.We are using:- cPanel- CloudLinux- LiteSpeedYou should fine tune LVE, MySQL and LS settings.Bid only if you have a strong experience with cPanel servers.

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  • $100 USD 11 days ago

    Need someone to configure my web server for optimal security and performance.the server is running:debian 6.0 /x64apachemysqlall connections are processed through cloudflare

  • $100 USD 11 days ago

    Hello,I&quot;m looking for a wordpress expert to speed up the page load time of a wordpress site I&quot;m currently developing. Here&quot;s the page adress: www.asianimport.se/wpI&quot;ve run these two tests of the website: http://gtmetrix.com/ and http://developers.google.com/speed/pagespeed/insights/I want the website to become as fast as possible (preferably down to a page load time of 2-3 seconds per page, it is currently around 6 seconds).To be considered for this project, please provide me:*your quote, *how many seconds you think you can get the website page load time down to, *and approxamitely how long it will take you to finish this project.If good work is provided, future projects may go your way.Rob

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  • €100 EUR 11 days ago

    I need someone capable of tunning and adjusting apache or other type of webserver in windows, so it can work faster for a high number of requests, currently now, it gets stuck, when 10 pending sockets are connected there making my pages slow

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  • £50 GBP 12 days ago

    Heavy write/read website has become very sluggish due to mysql issues. I suspect that mysql locks tables, therefore it needs a few tweaks and configurations.

  • $80 USD 12 days ago

    Recently purchased a godaddy reseller Virtual Private Server PackageRequires freelancer to be familiar with web hosting and server issues.Preferably familiar with-Godaddy.com VPS-WHMCS.-CpanelFreelancer should also be able to resolve and trouble shoot server issues quickly as we are now a web host.Good with administration and back up of files as more customers will be using our reseller packageQuick recovery and solutions must be provided from freelancerHave more jobs if first few jobs are done well/on time/ and within budget

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  • $300 USD 13 days ago

    I will provide a disk image of a Linux hard drive&quot;s contents. You will retrieve all of the files from this hard drive with folder structure and file names intact. You will then upload (with folder structure and file names intact) all of these files to a cloud storage site. Estimated number of files 31,000 Estimated amount of space needed 133 gigabytes

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  • $120 USD 14 days ago

    I need to have my new VPS configured and hardened. Need the nameservers setuo and 3 accounts transferred from shared hosting

  • $30 USD/hr 14 days ago

    I need some consultation on DDOS attack, how to prevent them, how to protect my site, how to fight them, etc.More info in PM.

  • $110 USD 14 days ago

    I need to improve speed of my Wordpress website. It has load fast.

    codetrance does not have any open projects.
    codetrance does not have any work in progress.
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Portfolio

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Résumé

Experience

Project manager

Sep 2001 - Apr 2012 (10 years)

several hosting companies

Worked on cluster using Heartbeat for the job. Well versed with cPanel, Directadmin, Plesk, Webmin and servers with no control panel on board.

Education

Master

Rijksuniversiteit Groningen

1997-2001

Certifications

Webmaster

Deventer

Website analyses eg layout, readabilty, functionality, etc....

Publications

Security related issues

I've done research about security related issues for company internal use only. They're not available for publications as the company I've worked for forbid me to publish anything that they own, including intellectual properties that belong to the company.