CentOS Freelancers

Showing 325 freelancers

CentOS Freelancers

Showing 325 freelancers

  • J2EE Grails Developer

    - I've total 4 years of experience in Java/J2ee technology. - Having 2+ years of experience in Groovy & Grails - Having extensive experience with tomcat server and working with CentOS - Having experience in MySQL, Oracle 10G and MongoDB databases. - Having extensive … more

    - I've total 4 years of experience in Java/J2ee technology. - Having 2+ years of experience in Groovy & Grails - Having extensive experience with tomcat server and working with CentOS - Having experience in MySQL, Oracle 10G and MongoDB databases. - Having extensive experience in Spring, Hibernate and Struts frameworks. - Having experience in sub version control like Git, SVN etc. - Having experience in Payment gateway integration like Paypal, Moneris, DirecPay, HDFC etc. - Having skill to develop web application from scratch which includes Fontend & Backend. - Having hands on experience with Frontend technologies like Jquery, Java Script, HTML 5 - Having experience in Real-Estate, Financial, Accounting, E-commerce domains. - I can develop very robust product which will work very smoothly and attract the users. - Can deploy product on any VPS, having extensive experience to work with tomcat server. - Highly involved in client interaction, requirements gathering and development of various functional documents for the systems to be developed. - Good knowledge of design patterns like Singleton, Strategy design patterns - Possess strong leadership, and excellent analytical & problem solving skills. - Ability to work in team as well as independently with minimal supervision.  less

    grails groovy apache-struts hibernate spring-framework j2ee centos tortoise-svn core-java github 00 more less
    • $13.33 HOURLY RATE
    • 4.0
    • 77 HOURS
    • INDIA
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 2 TESTS
  • Senior System and Network Administrator

    I'm fully working from the last 5+ years as a Linux Administrator . I'm well experienced in Linux Server administration tasks in the production and development environments - Have a good knowledge and hands on experience in Apache, Iptables, Openvpn … more

    I'm fully working from the last 5+ years as a Linux Administrator . I'm well experienced in Linux Server administration tasks in the production and development environments - Have a good knowledge and hands on experience in Apache, Iptables, Openvpn, Sendmail, Postfix, Mysql, FTP, Samba, SVN, Asterisk, Elastix, Mysql replication,Kerio Control, JIRA, Confluence, MantisBT, Redmine, Zabbix servers, Hudson, Bash scripting,ESXI Virtualization etc..  less

    linux-system-administration apache-administration mysql vmware-esx centos network-administration unix-shell zabbix redhat-administration openvpn 00 more less
    • $23.33 HOURLY RATE
    • 5.0
    • 17 HOURS
    • ARMENIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 6 TESTS
  • Software Engineer / Electronics Technician

    I have a broad range of experience and an avid love for programming. My focus has been on back-end systems development. Lately I've been working primarily with PERL and Ruby, but I am very familiar with several other languages … more

    I have a broad range of experience and an avid love for programming. My focus has been on back-end systems development. Lately I've been working primarily with PERL and Ruby, but I am very familiar with several other languages, such as LotusScript and JavaScript, and am quick to learn new ones. I've been using linux systems since 2000, so I am well versed with bash, sed, awk, etc.... You can see www.swajime.com for some samples of my work.  less

    ruby perl c unix-shell unix-system-administration google-sketchup ubuntu centos calculus bash-shell-scripting 00 more less
    • $35.00 HOURLY RATE
    • 5.0
    • 14 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 12 TESTS
  • RedHat and VMware Certified Administrator

    I am a VMware Certified Professional and RedHat Certified Engineer. I posses 6 years of rich and diversified IT experience which includes both VMware vSphere and Linux administration. As a Linux administrator I managed servers installed with Apache, MySQL, PHP, Exim etc.

    linux-system-administration apache-administration cpanel whm centos freebsd openvz 00 more less
    • $16.67 HOURLY RATE
    • 5.0
    • 87 HOURS
    • INDIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 6 TESTS
    GROUPS:
  • can't do is not an option

    - Linux maintenance/troubleshooting (RHEL, Centos, Debian), - Cloud hosting (Amazon EC2, AWS, S3), - Networking (dhcp, DNS:powerdns/bind/named, vpn: openvpn/pptp, firewalls: iptables/ipfw, qos, proxies), - Web servers (apache, nginx, lighttpd), - Mail servers (exim, postfix, qmail, antispam/ antivirus: clamav/spamassassin … more

    - Linux maintenance/troubleshooting (RHEL, Centos, Debian), - Cloud hosting (Amazon EC2, AWS, S3), - Networking (dhcp, DNS:powerdns/bind/named, vpn: openvpn/pptp, firewalls: iptables/ipfw, qos, proxies), - Web servers (apache, nginx, lighttpd), - Mail servers (exim, postfix, qmail, antispam/ antivirus: clamav/spamassassin/amavis, courier, dovecot), - Bulk marketing (Dkim, spf, high speed/inboxing, interspire, powermta,returnpath), - Automation (puppet, perl/shell/awk scripting), - Monitoring (nagios, zabbix,cacti), - Database Optimization,Replication (MySQL)  less

    mysql apache-administration lamp-administration postfix amazon-ec2 amazon-web-services squid nginx magento linux-system-administration performance-tuning load-balancing clustering haproxy centos 00 more less
    • $33.33 HOURLY RATE
    • 5.0
    • 97 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 1 TEST
  • Senior Systems & Network Engineer

    I have over 15 years of experience in the IT field, having worked at some of the most demanding environments as a Security expert and a Senior Unix System administrator (FreeBSD/Linux). I specialize in complex ISP based UNIX installations … more

    I have over 15 years of experience in the IT field, having worked at some of the most demanding environments as a Security expert and a Senior Unix System administrator (FreeBSD/Linux). I specialize in complex ISP based UNIX installations, corporate Mail servers, Web servers, Database servers and large ZFS based storage solutions. I have extensive knowledge in Virtualization technology. I have being involved with various type of Cloud solutions especially with OpenStack and CloudStack. I also perform installations, maintenance and troubleshooting of Network Security devices for corporate based environments. Being very familiar with Cisco ASA, FWSM and Checkpoint SecurePlatform and IPSO. Please visit my blog at http://www.aisecure.net/about for more information.  less

    freebsd security unix-system-administration vpn linux-system-administration centos rhel solaris-administration firewalls mail-server-implementation apache-administration amazon-ec2 virtualization mysql 00 more less
    • $30.00 HOURLY RATE
    • 5.0
    • 349 HOURS
    • GREECE
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 10 TESTS
  • Java,Android , J2EE , JSF , Asterisk, c#

    More than 4 years of experience in Java development. Frequently used tools and technologies are Eclipse , MyEclipse , JSF (icefaces, rich faces and prime faces) , Ibatis, JavaScript, Jquery , Hibernate , Postgresql (For database), MySql and many others. For OS flavors i mostly … more

    More than 4 years of experience in Java development. Frequently used tools and technologies are Eclipse , MyEclipse , JSF (icefaces, rich faces and prime faces) , Ibatis, JavaScript, Jquery , Hibernate , Postgresql (For database), MySql and many others. For OS flavors i mostly work with Linux (Ubutnu, CentOS) all Microsoft Windows platforms. I am also engaged with Asterisk for different IVR and VOIP projects along java and web integrations. I have good experience with SVNs like Bazaar and tortise. Good knowledge of large code base management. Apart from management and development of Software Projects i also teach programming at University and to some online students.  less

    android-app-development jsp asterisk j2ee linux-system-administration ubuntu centos jsf joomla adobe-photoshop photo-editing 00 more less
    • $22.22 HOURLY RATE
    • 4.7
    • 102 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 3 TESTS
  • RHEL / CentOS System Admin, AWS, WHM/Cpanel

    Handling unmanaged VPS, Dedicated Server with core console (Terminal). -Giving sites maximum Uptime. -Implementing new policy and maintain backup and backend server. -Prevent from websites hack (SQL Injection, FTP bypass, Brute force on SSH Tunnel ) -Maintain All site on Nginx … more

    Handling unmanaged VPS, Dedicated Server with core console (Terminal). -Giving sites maximum Uptime. -Implementing new policy and maintain backup and backend server. -Prevent from websites hack (SQL Injection, FTP bypass, Brute force on SSH Tunnel ) -Maintain All site on Nginx and Kloxo with limited sync time. -Manage shop cart Zencard and Magento site on servers and make server compatible . Penetration Testing: -Client side attacks - Server side attacks - Web applications vulnerability scans - Custom exploiting techniques - Social engineering  less

    linux-system-administration penetration-testing mail-server-implementation mysql dns squid security network-security apache-administration node.js subversion nginx centos iptables ssh ubuntu 00 more less
    • $8.96 HOURLY RATE
    • 5.0
    • 24 HOURS
    • INDIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 3 TESTS
  • Asterisk/Elastix/Freepbx/VoIP/Chan Dongle/Raspberry/Network specialist

    i am a VoIP specialist dealing with asterisk and voip billing based servers: freepbx elastix a2billing and Kamailio. i have collected much experience in installing and configuring VoIP servers and giving support for costumers during my last job position at … more

    i am a VoIP specialist dealing with asterisk and voip billing based servers: freepbx elastix a2billing and Kamailio. i have collected much experience in installing and configuring VoIP servers and giving support for costumers during my last job position at Voipmaroc and Nogafone. during my last jobs i was charged to deploy a voip call center based on elastix asterisk for DYARelmansour , a construction company leader in Morocco , and a call center ViciDial for EIGENVALUE based in Morocco and for many end user of IPBX appliances and customized IPbx installationsbased on asterisk. my diplomat at network engineering and Centos Linux experience helped me to devolope my skills in VOiP. i am ready to serve.  less

    asterisk elastix centos a2billing cisco-voip voip-administration automated-call-distribution freepbx sip 00 more less
    • $21.11 HOURLY RATE
    • 5.0
    • 129 HOURS
    • MOROCCO
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 4 TESTS
    ASSOCIATED WITH:
  • node.js (ex. php) backend webdeveloper

    I'm one of the 3% most active JavaScript users on github - see first link in my portfolio. I prefer making keep-it-simple hi speed and highload web applications. I have developed more than 5 RESTfull NodeJS servers for mobile applications … more

    I'm one of the 3% most active JavaScript users on github - see first link in my portfolio. I prefer making keep-it-simple hi speed and highload web applications. I have developed more than 5 RESTfull NodeJS servers for mobile applications. Data exchange were carried via xml/json,and HTTP get/post queries. I have created more than 5 webscrappers/proxies on phantomJS I can use MySQL,PostgreSQL, AmazonRDS, MongoDB, Redis as databases. I can deploy this applications on Centos 6.4 VPS/VDS servers or Heroku Cloud Application Platform. In my work i use git,mercurial and SVN version control systems, for every job i create a private repo at bitbucket.org for (me and customer only) for feedback, bug reports and support. I have a strong background as php/zend/symfony 1.4 developer and linux user since 2002 year.  less

    node.js redis javascript php jquery mysql mongodb apache-administration linux-system-administration centos api-development heroku git mercurial svn ssh nginx symfony zend-framework 00 more less
    • $28.89 HOURLY RATE
    • 4.8
    • 415 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 9 PORTFOLIO ITEMS
    • 6 TESTS
    GROUPS:
loading