Haproxy Freelancers

Showing 22 freelancers

Haproxy Freelancers

Showing 22 freelancers

  • 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
  • Linux/Unix System Engineer, Cloud Solutions, Junior Ruby Developer

    Management Systems, provide Infrastructure solutions, always focused to deliver high available solutions, for my clients. OSs: Debian, Ubuntu, Centos WEB deployment: (installation / optimization / deployment /) using: - Apache, Nginx, PHP, MySQL, Varnish, Memcached, Java Applications based on Tomcat - Development Processes automation based … more

    Management Systems, provide Infrastructure solutions, always focused to deliver high available solutions, for my clients. OSs: Debian, Ubuntu, Centos WEB deployment: (installation / optimization / deployment /) using: - Apache, Nginx, PHP, MySQL, Varnish, Memcached, Java Applications based on Tomcat - Development Processes automation based on Jenkins, Puppet. - Deployment (configuration and administration) of web applications built on: - Drupal CMS, Magento, Zend, Symfony Framework Databases (installation, configuration, administration): Mongodb, MySQL Cloud Systems: AWS(auto scaling, Loadbalancer, EC2, S3, Route53, Automations scripts (API)), DigitalOcean PaaS: Openshift Monitoring Tools: - Capturing, analyzing and storing statistics with Logstash, Graylog2, AMPQ, Elasticsearch - Drawing maps with statistics Collectd, Graphite - Alerts, notifications and syslog with Dude, Nagios - Advanced knowledge of Nagios Hight secured VPN system: OpenVPN based Virtualization: ESXi, KVM, OpenVZ Networking: Advanced level of administration Cisco devices: CCNA Certified, Basic level Mikrotik routers Backup Bacula based Storage systems, NFS, Glusterfs. Subversion administration. Chat, Openfire based Basic level: Bash scripting, SQL, Ruby, Capistrano, MongoDB, Vagrant, F5 BIG-IP load balancer, Haproxy  less

    cisco-routers tcp-ip devops agile-software-development jenkins haproxy linux-system-administration mysql openvpn centos apache-administration nginx windows-administration windows-7-administration unix-shell amazon-ec2 amazon-rds amazon-web-services amazon-s3 00 more less
    • $16.67 HOURLY RATE
    • 4.8
    • 538 HOURS
    • ROMANIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 4 TESTS
  • AWS Partner Cloud Systems Architect

    Cloud Systems Architect with heavy immersion in all AWS technologies. Member of the AWS Partner Network and AWS Accredited Technology Professional. Prominent member of the Rightscale ecosystem, serving on the Customer Advisory Group. Significant project experience with Azure, Rackspace, and … more

    Cloud Systems Architect with heavy immersion in all AWS technologies. Member of the AWS Partner Network and AWS Accredited Technology Professional. Prominent member of the Rightscale ecosystem, serving on the Customer Advisory Group. Significant project experience with Azure, Rackspace, and OpenStack. Looking for new challenges, interesting problems, and not afraid of big numbers. My work has been equally split between Linux and Windows systems with a focus on creating new technologies. In addition to domestic work, I have engineered software and hardware solutions on several continents for US companies, working with foreign specialists to solve problems in the States. My primary skills lie in the automation and orchestration of highly scalable, highly available systems. I am looking to use these skills to grow my experience and knowledge, and I'm most interested in implementing original solutions for unique problems. Please note that although I am sometimes available for emergency situations, I am usually working on several projects at any given time and generally cannot accommodate requirements that need to be fulfilled yesterday. Platforms: Rightscale/AWS/Rackspace/Azure Systems: Specializing in Microsoft technologies with an extensive Linux background Databases: MongoDB/MySQL/MSSQL/Oracle Core competencies in most AWS products Aussi, je parle le français si vous êtes intéressé. Keyword alphabet soup: Hadoop, NoSQL, Nginx, Apache, Ubuntu, Centos, RedHat, OS/X, CloudWatch, Nagios, Icinga, AWS-CLI, HAProxy, ELB, VPN, Chef, Cloudformation, Redshift, Glacier, S3, DevOps, Shell, Bash, Powershell, Python, Git, SVN, OpsWorks, JIRA, LiquidPlanner, Salesforce, OpenVPN, etc...  less

    amazon-ec2 amazon-s3 seo lamp-administration database-administration windows-administration scripting iphone-app-development rest php apache-struts magento mysql mac-os-app-development dns microsoft-exchange-server windows-azure sql-azure haproxy amazon-web-services amazon-rds amazon-mechanical-turk-api iis database-management rightscale 00 more less
    • $111.11 HOURLY RATE
    • 5.0
    • 5058 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 5 TESTS
  • AWS Architect/Engineer/Devops

    Over the last 9 years, I have been working as technical support engineer/team leader/infrastructure architect for several large companies (hosting companies with more than 1000 of dedicated and several dozens of VPS servers, ecommerce application companies, small and … more

    Over the last 9 years, I have been working as technical support engineer/team leader/infrastructure architect for several large companies (hosting companies with more than 1000 of dedicated and several dozens of VPS servers, ecommerce application companies, small and large companies with different cloud setups from several to several hundreds of instances) My competency lies in planning, development, deployment and setup of new production environments, troubleshooting/support/improvement of existing production systems based on Linux/Unix. Have a lot of experience in automation/monitoring/backup of different distributed environments with LAMP stack and other applications, different clustering, scalability and high-availability techniques.  less

    linux-system-administration amazon-ec2 clustering bash apache-tomcat ftp dns centos ubuntu subversion atlassian-jira mysql nagios lamp-administration memcached git rightscale amazon-web-services unix-shell redis squid haproxy mail-server-implementation postfix qmail apache-administration project-management github version-control plesk load-testing devops 00 more less
    • $33.33 HOURLY RATE
    • 5.0
    • 1135 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 11 TESTS
  • C / PHP / Java / open source, Zend Certified Engineer

    Having me onboard, you can focus on business aspect of your IDEA and rest assured that your IT solutions will always meet business requirements and scale seemlessly. I develop and deploy high performance web applications, based on scalable, best design … more

    Having me onboard, you can focus on business aspect of your IDEA and rest assured that your IT solutions will always meet business requirements and scale seemlessly. I develop and deploy high performance web applications, based on scalable, best design patterns. Like being involved in complex and challenging projects. Often providing out-of-the-box solutions to problems, and managing projects. Decent experience with: Facebooks Hyper PHP (HHVM) Libevent custom C / Linux based solutions PHP extensions development Designing scalability solutions Troubleshooting Programming languages: C, PHP, Python, Java, (learning Erlang!) Methods: GA, genetic alghoritms, ANN, artificial neural networks, OOP, object oriented programming, AOP, aspect oriented programming, IoC, inversion of control, DI, dependency injection, SD, stackable decorators, DAO, data access objects, regression analysis, FFT, fast Fourier transform Frontend skills: Object Oriented JavaScript, AJAX, jQuery, Twitter Bootstrap, CSS, HTML Tools and Technologies: C, C99, pthreads, libevent, Java, netty.io, NIO, PHP, Hip Hop Virtual Machine (Facebook's HPHP) NGINX, HAProxy, PHP-FPM, MySQL, PostgreSQL, SVN, Memcached, Beanstalk, Gearman, Redis, Percona, Zend Framework, XML, SOAP, Linux, daemons, sockets, low-level standard or custom networking protocols, P2P, REST, JSON, design patterns, MVC, SVN, Bash, PHPUnit, Xdebug, Unit testing, AWS EC2, Zend Framework 2, ZF, ZF2 Looking for an extremely performant web application written in C / libevent ? Need help writing non-standard PHP extension ? Need a hand with scalability issues ? Feels like getting in touch ? Shoot me an email! Zend Certified Engineer  less

    php java c python linux-system-administration nginx algorithms genetic-algorithms data-structures gearman memcached load-balancing socket-programming live-chat-software object-oriented-design xml css soap apache-administration mysql postgresql website-development jquery api-development payment-processing project-management xen-hypervisor ajax haproxy bash bash-shell-scripting database-programming database-design asynchronous-io redis zend-framework amazon-web-services amazon-ec2 00 more less
    • $35.00 HOURLY RATE
    • 5.0
    • 1286 HOURS
    • POLAND
    • LAST ACTIVE
    • 7 PORTFOLIO ITEMS
    • 4 TESTS
    GROUPS:
  • Webhosting Expert - Linux, VMWare, Apache, Mail Servers

    I have been working in the Server administration domain for many years now, mainly into Linux / Unix based distros. I have extended experience on web hosting technologies. Here are some of my skill set.  Provide remote administration of various Unix … more

    I have been working in the Server administration domain for many years now, mainly into Linux / Unix based distros. I have extended experience on web hosting technologies. Here are some of my skill set.  Provide remote administration of various Unix / Linux based servers from the DC.  Managing processes and applications on servers.  Trouble shooting problems related to Apache, Mail, DNS, FTP, MySQL, etc.  Implementing and administering DNS.  Resolving network issues between servers.  Managing backups using third party backup utilities.  Setting up firewall and authentication mechanisms in the servers.  Web server configuration and performance tuning.  Optimization and hardening of the server based on the applications hosted.  Data migration across the servers within the predefined downtime.  Root cause analysis for various platform related issues.  Regular Security audits to find out the vulnerabilities of the system and suggest actions to improve the security.  DDOS attack detection and mitigation Web Hosting Technologies : Control Panels : cPanel, Pleask,DirectAdmin, Webmin Dedicated, VPS server support Mail Server administration DNS Management Spam Prevention DDOS Mitigation CMS Installation / Administration Storage Management Server provisioning Server auditing, security Kernel upgrade, Server patching Apache, Litespeed webserver management Nginx Proxy management SSL Installation Data Center Support. Technical Level Expertise Operating systems: Gnu/Linux Operating Systems: Various Linux distributions which include Redhat (4, 5 and 6) , CentOs (5 and 6), Fedora, Ubuntu (9,10,11) and Debian. Unix Based Operating Systems: HP-UX 11iv2,v3 Web Servers : Apache (2.0, 2.2, 2.4) , Lighthttpd (1.4), Ngnix (1.2)  Virtual hosting  User authentication  Integration of modules  SSI, CGI, FastCGI, SuExec  SSL based Encryption Application Servers: Apache-Tomcat  Installation, configuration and maintenance  Horizontal and vertical clustering  Tomcat Load balancing with Apache DNS (Domain Name System) Bind  Very good understanding on name servers in the DC environment.  Installation, configuration and administration.  Master –Slave configurations  Forwarding, Stealth, Caching only DNS  Load balancing techniques.  rDNS and zone modifications in real time environments FTP (File Transfer Protocol) Vsftp, Pureftp, Proftp  Installation and administration  Configuring anonymous, authentication based ftp  SFTP and FTPS based on application requirements. Mail Servers Exim, Sendmail, Postfix  Installation and configuration of mail servers.  Relaying, Smtp authentication, Pop before SMTP  Configure aliases and masquerading  Troubleshooting email delivery issues and mail queue management.  Configure SPF against email forgeries. Database Servers MySQL  Installation of MySQL servers  Configuring MySQL engines, InnoDB and MyISAM  Tweaking and performance tuning.  Management of MySQL backups. Server Firewalls Iptables, CSF, APF  Installation and configuration of firewalls  Tweaking firewall settings based on application requirements.  less

    linux-system-administration mail-server-implementation dns firewalls website-development web-content-management centos ubuntu clustering mysql network-security hp-ux unix-shell raid-administration samba computer-networking cpanel plesk openvz virtuoso video-streaming vbulletin joomla wordpress phpbb php apache-administration apache-tomcat nginx haproxy technical-support 00 more less
    • $16.67 HOURLY RATE
    • 5.0
    • 0 HOURS
    • INDIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • Linux Admin / Networking / VoIP / Scripting / Web development

    Non-comprehensive list of GNU/Linux skills: - Debian-based distros - bash scripting - TCP/IP (networking) - netfilter/iptables (firewalling) - OpenVPN (virtual private networks) - OpenSSL (certificate management) - apache/nginx (web services) - cron (scheduling) - dovecot IMAP/POP3 and postfix SMTP (email) - asterisk PBX (voice over … more

    Non-comprehensive list of GNU/Linux skills: - Debian-based distros - bash scripting - TCP/IP (networking) - netfilter/iptables (firewalling) - OpenVPN (virtual private networks) - OpenSSL (certificate management) - apache/nginx (web services) - cron (scheduling) - dovecot IMAP/POP3 and postfix SMTP (email) - asterisk PBX (voice over IP) - git (revision control) - syslog (advanced logging) - nagios, icinga, munin, monit (monitoring) - backuppc (backup) Non-comprehensive list of network management skills: - solid understanding of TCP/IP & Ethernet - monitoring tools - VLAN management - manageable switches in general - IGMP & IGMP snooping - OSPF & BGP routing protocols - GePON OLT & ONU equipment About me: Solid understanding of communication and web technologies is my primary area of interest and expertise. Over the last 7 years I've been a tech support for an ISP, a systems & network administrator and a web developer. As a network administrator for 2 years, I discovered what it means to maintain a large-scale MAN (Metropolitan Area Network), including internet access, setting up and managing IPTV streaming through IGMP and IGMP snooping techniques. I've setup BGP so the provider can have a backup route for his services. I'm falimiar with the nature of the technical issues that can occur and the different ways of handling and preventing them. I'm experienced in ethernet & GePON networking equipment. I've managed network equipment from most major vendors, Cisco, HP, DLink, Dell and Fundry, just to name a few. I've been working with Debian GNU/Linux professionally for 2 years as a systems administrator for a Bulgarian tourist resort and 2 years maintenance the services infrastructure (web, mail, vpn, samba, domain management, monitoring, ticket resolution systems, asterisk voip). I worked at a web development company for a year, doing back-end web development with different and frameworks, such as django, rails, express.js, along with infrastructure administration tasks and support. Languages: html5, bash, python, ruby, javascript Databases: mysql, postgres, mongodb Hobbies & interessts: - x86 assembler - system security forensics - electronics  less

    linux-system-administration ubuntu bash asterisk iptables network-planning network-security network-administration html5 javascript ruby ruby-on-rails tcp-ip git github nagios devops munin redmine ssl vpn openvpn postfix mail-server-implementation openvz haproxy amazon-ec2 virtualization freepbx 00 more less
    • $16.67 HOURLY RATE
    • 5.0
    • 59 HOURS
    • BULGARIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 8 TESTS
    ASSOCIATED WITH:
  • Expert In Python/Django, Linux, PHP, ERP / CRM Implementation, EDI.

    Over the last 5 years, I have developed wide range of open source software’s and customization for start up companies and small businesses. I provide the complete (predefined and custom defined) open source solution for each and every type … more

    Over the last 5 years, I have developed wide range of open source software’s and customization for start up companies and small businesses. I provide the complete (predefined and custom defined) open source solution for each and every type of business with customization according to their work/business. I'll work with my team. I have implemented the efforts with different flavors, proven track record of delivering creative and cost-effective solutions with High Availability and Linux maintenance/troubleshooting in Linux (CentOS, Redhat, Ubuntu, Debian, Fedora, Suse. etc),Solaris, Veitas, SAN in ECM and Hitachi, Volume Manager, like Veritas, and SVM, Windows Server, VOIP Solution and Database Management. Linux: LAMP system administration, HTTP/HTTPS, DNS,FTP, NFS, SMB, SMTP, SSH, NTP,iSCSI, , natd, ipfw, pf, iproute2, RIP, OSPF, BGP, Asterisk, FreePBX, SIP, H323, ffmpeg, Vlc Quagga, Adobe Media Player, Red5, FFMPEG, SSL, ACL. Database management like MySQL, MySQLCluster, PostgreSQL, Oracle 10g databases, Oracle Application Server. Web Server like Apache, Nignix, Tomcat, Squid, Proxy, VPN, DNS, Zimbra, Cluster, Monitoring tools and Alerting system such as Nagios, Cacti, MRTG, Zimbra, xdmcp, vnc, rdp. Virtual Environment like vmware, OpenVZ, KVM, XEN, QEMU. My core competency lies in complete end-end: - Open Source Installation, Development, Customization and Support - SAN in ECM and Hitachi, and Volume Manager, like Veritas, and SVM - Tools/Packages/Software development in Java, Ruby on rails, Perl, python - Asterisk & Freepbx, A2Billing, Calling Card Solution and ivr solution. - Linux Server Security, Vulnerability Scanning and Penetration Testing - Administrate VPS and dedicated Server - Administrate LAMP (Linux, Apache, Mysql, PHP) Server - Apache: Audit, performance and load balancing - Automated MySQL database backup - PHPMyAdmin MySQL database manager - Setting up MySQL replication (Master-Slave,Master-Master,...) - Install and configure Mysql Cluster for Ubuntu,Redhat,Centos - Mail Services like Postfix,dovecot, Sendmail etc. Also worked on Panels like Plesk, webmin, Cpanel Directadmin etc.. - Install and configure virtualmin (Migrate website,migrate databases,...) - Install and configure wordpress,drupal,theme,... (windows,linux,...) - Web Development in php, cms, Joomla, wordpress - Web Performance, Security & penetration Testing. Thanks and Regards Dipesh Sahni  less

    ibm-db2 website-development security php phpmyadmin a2billing adobe-content-server administrative-support amazon-ec2 amazon-s3 amazon-web-services ssl dns ftp smtp asterisk freepbx ffmpeg red5 oracle-application-framework oracle-application-server mysql postgresql apache-administration apache-tomcat haproxy clustering nagios mrtg openvpn openvz opengl jquery windows-azure microsoft-hyper-v-server microsoft-small-business-server-administration microsoft-exchange-server 3d-animation linux-slackware sap-erp python perl kerberos mail-server-implementation vicidial elastix information-architecture openerp-administration openerp-development 00 more less
    • $27.78 HOURLY RATE
    • 4.8
    • 990 HOURS
    • INDIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 5 TESTS
    GROUPS:
    ASSOCIATED WITH:
  • Freelance Linux System Administrator, Python, Django - UK

    I have been working as Linux System Administrator for 5 years. I supply linux management service for my customers. I design and install infrastructures for high-available web applications. Most of these servers use Debian, Ubuntu, CentOS, Redhat and Pardus. I … more

    I have been working as Linux System Administrator for 5 years. I supply linux management service for my customers. I design and install infrastructures for high-available web applications. Most of these servers use Debian, Ubuntu, CentOS, Redhat and Pardus. I use haproxy as load balancer, iptables as firewall, apache, nginx or lighttpd as web server, mysql as database server. I configure replication systems which have one or more slaves. I deploy applications in different languages like RoR, Python/Django or PHP. I am familiar with php-fpm, php-cgi and mod_php. I am also experienced in virtualization. I use openvz, vserver and kvm for virtualization. I prefer using Debian or Proxmox for host system for virtualization. I use Python and PHP to develop web and shell applications and automation scripts. I am a free software contributor. So i am good at remote working and collaboration tools. I use git and svn actively for various projects.  less

    python php django-framework linux-system-administration apache-administration nginx lighttpd haproxy openvpn zabbix mysql memcached ftp 00 more less
    • $33.33 HOURLY RATE
    • 5.0
    • 1716 HOURS
    • UNITED KINGDOM
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 5 TESTS
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