Qmail Freelancers

Showing 36 freelancers

Qmail Freelancers

Showing 36 freelancers

  • Senior Linux Systems/Database Administrator

    I worked as freelance systems administrator through out college years, and worked as an Operation Engineer for Gawab.com right after graduation. I was responsible for managing a Linux based cluster providing email, web and database services on top of … more

    I worked as freelance systems administrator through out college years, and worked as an Operation Engineer for Gawab.com right after graduation. I was responsible for managing a Linux based cluster providing email, web and database services on top of a Xen based virtualized servers to Gawab.com's clients, based on various Open Source technologies and in-house developed solutions. I planned and executed a 0-down-time data center migration, managed a multi-server MySQL setups with complex replication and fail-over configuration and fully automated several internal complex operations. I also defined and implemented a new service monitoring and abuse/SPAM managment process for the company. I designed and implemented several scalable web and database infrastructure for Gawab outsourcing clients. My work involved working with several web and database load balancing technologies, monitoring, fail-over, backup and monitoring. And I wrote several automation and management scripts in Bash, python and PHP. I also have some experience with C and C++ and SQL. My technical interests include systems automation and management , cloud and virtualization technologies, scalable web and database architectures. I have years of experience working for Free/Open Source applications like: Apache, MySQL, PHP, Nginx, Nagios, Xen, postfix, qmail, iptables..etc.  less

    mysql amazon-ec2 amazon-s3 amazon-rds amazon-web-services postfix qmail lamp-administration database-administration python bash nginx nagios email-handling performance-tuning linux-system-administration ubuntu redis centos 00 more less
    • $30.00 HOURLY RATE
    • 5.0
    • 253 HOURS
    • EGYPT
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 3 TESTS
  • RHCE/IBM-AIX Cert/ VMware, SAN-NAS Storage Admin, Qmail, Apache .

    Summary: • 8 Years of experience in the Unix(Linux and IBM AIX), Storage, Virtualization( VMware ESx and AIX LPAR, DLPAR) Administration. • Currently started working as Freelance Engineer and available full time also. • Having experience of supporting Production Environment. I Was … more

    Summary: • 8 Years of experience in the Unix(Linux and IBM AIX), Storage, Virtualization( VMware ESx and AIX LPAR, DLPAR) Administration. • Currently started working as Freelance Engineer and available full time also. • Having experience of supporting Production Environment. I Was L3 support Unix Administrator and supported (3000 Server) at IBM Data Centre UK. • Having Experience of supporting Unix Clusters ( AIX HACMP Cluster) • Having Experience of supporting Storage Device Familiar with External Storage :- SAN, FASTt, DS4000, Analyzing Fast logs, coordinating with Storage team and providing HBA, FC details, WWPN details, and configuring LUNs in AIX host using SDD and AIX commands. Building Storage Device using Open Source software Like FreeNAS and Openfiler. • Familiar with VMware:- Installing and upgrading the ESX server (ESX 3, 3.2, 3.5. Installation of Virtual Infrastructure client and Virtual Center. Managing Virtual Machines using VI client, Managing ESX server using Virtual Center. Creating Virtual Machines, template, cloning. Moving VMs one ESX to another ESX host. Troubleshooting ESX server and Providing RCA for ESX server and coordinating with VMware support team over email/phone. ESX storage management. Familiar with ESX cluster. • Familiar with AIX Virtualization LPAR & DLPAR:- Creating LPAR Profile, assigning Memory, CPU etc… dynamically using Hardware Management Console • Familiar with AIX HACMP 5.3 Cluster: - Troubleshooting 3 node and 2 node cluster, cluster verification and synchronization, creating and increasing cluster file system, doing resource group failover using C-SPOC. If cluster service failed to make resource group online then manually making resource group online. • Familiar with AIX Virtualization LPAR & DLPAR:- Creating LPAR Profile, assigning Memory, CPU etc… dynamically using Hardware Management Console • Familiar with Advance Networking: Router Configuration, Firewall Configuration (IPcop). Designed and implementation Network for Web and Email Hosting Project. Current Project • Currently implementing Web and email hosting from the scratch. • Disaster Recovery Management :- Build Storage Device In Linux. • Built Qmail Server from Scratch • Built Web Server from the Scratch • Configured Call management using OS Ticketing System. • Developing onlinedigitallibrary web site. • Configuring OpenEMR for Hospital Management • Also I have well equipped LAB. Education: BCA, PGDCA, (MSc-IT) Professional Certification: RHCE and IBM AIX  less

    aix qmail mysql vmware-esx ibm-pseries firewalls linux-system-administration database-administration mail-server-implementation clustering network-administration ibm-storage 00 more less
    • $16.67 HOURLY RATE
    • 4.6
    • 0 HOURS
    • INDIA
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 5 TESTS
  • RHCE,Microsoft,Cisco Certified Windows & Linux Network Administrator

    Over the last 7 years I have worked on various windows & Linux Servers,Configuring Control panels,Script installation (windows NT4.0 ,Windows2000Server ,Windows 2003 Server&Windows; 2008 Server)Red hat EL3&4,Fedora core ,FreeBSD,Debian ,Installation &configuring; MSSQL, Mysql … more

    Over the last 7 years I have worked on various windows & Linux Servers,Configuring Control panels,Script installation (windows NT4.0 ,Windows2000Server ,Windows 2003 Server&Windows; 2008 Server)Red hat EL3&4,Fedora core ,FreeBSD,Debian ,Installation &configuring; MSSQL, Mysql, All other script installation, IIS 6.0 & IIS7 configuration& Administration single site and multiple site deployment and migration .Website deployment etc.. Expert in managing hosting accounts hosting servers via SSH and control panel Both windows&Linux; various flavors FreeBsd, redhat fedora, suse,Ubuntu server,Debian Mail server (Postfix,DBmail,Dspam,Spamassassin,Mail enable Configurations)  less

    windows-administration lamp-administration mysql jboss sugar-crm plesk cpanel qmail amazon-web-services 00 more less
    • $8.89 HOURLY RATE
    • 5.0
    • 842 HOURS
    • INDIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 1 TEST
  • Portuguese to English Translator

    I am a language enthusiast who has completed a double major at The Ohio State University in Portuguese and Latin American Studies. I addition to my studies at OSU, I have also traveled to Brazil on three occasions, spending a … more

    I am a language enthusiast who has completed a double major at The Ohio State University in Portuguese and Latin American Studies. I addition to my studies at OSU, I have also traveled to Brazil on three occasions, spending a total of over a year in the country. I have provided freelance legal casework translation and translated a grant for a non profit.  less

    adobe-acrobat apple-iwork adobe-flash adobe-indesign articulate-presenter research-papers economic-analysis english-tutoring microsoft-excel microsoft-outlook-development qmail portuguese public-speaking skype translation-english-portuguese tumblr workshop-facilities 00 more less
    • $16.67 HOURLY RATE
    • 5.0
    • 0 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 1 TEST
  • ✔ Sr. Network & System Administrator (UNIX,Linux,Cisco,Shell,Perl)

    Over last 8 years I have design & deploy wide range network and server system using Cisco networking, Open Source Operating System like Linux and BSD or Windows Server. My core competency lies in complete end-end management of network infrastucture. I … more

    Over last 8 years I have design & deploy wide range network and server system using Cisco networking, Open Source Operating System like Linux and BSD or Windows Server. My core competency lies in complete end-end management of network infrastucture. I am looking for opportunities to design, setup and maintain networking infrastructure. I have extensive experience in Perl/Shell Programming, open source server applications such as integrate and modify, TCP/IP networking, Cisco Switch and Router, IT broadcast equipment such as SAN/NAS video server, digital media editing, project management and documentation  less

    unix-system-administration linux-system-administration dns postfix qmail 00 more less
    • $20.00 HOURLY RATE
    • 4.6
    • 402 HOURS
    • INDONESIA
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 9 TESTS
  • System Administrator / Web Developer

    Over the last 5 years, I have developed a wide range of websites using HMTL, PHP and MySQL including sites for startup companies and small businesses. Also, I've provide solutions for email marketing, web hosting, email servers, everything to … more

    Over the last 5 years, I have developed a wide range of websites using HMTL, PHP and MySQL including sites for startup companies and small businesses. Also, I've provide solutions for email marketing, web hosting, email servers, everything to ensure security, stability and delivery. Experience in: - DKIM - SPF - rDNS - BIND - Postfix - PowerMTA - Amazon SES - Nginx - Zimbra And many more... I also have some experience in the following areas: SQL, Ajax, Ruby, Java.  less

    email-marketing html interspire joomla lamp-administration linux-system-administration web-design facebook-api social-media-marketing windows-xp-administration centos adobe-dreamweaver adobe-photoshop email-deliverability-consulting mail-server-implementation postfix iptables qmail google-apps google-analytics google-adsense libreoffice amazon-web-services css3 dns html5 00 more less
    • $27.78 HOURLY RATE
    • 4.9
    • 572 HOURS
    • EL SALVADOR
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 0 TESTS
    ASSOCIATED WITH:
  • Server and Cloud Architecht/Visionary

    I have worked in the internet service provider companies and software development companies for more than 10 years. I have good communication and excellent problem solving skills which are reflected in my past work on oDesk. My major expertise is … more

    I have worked in the internet service provider companies and software development companies for more than 10 years. I have good communication and excellent problem solving skills which are reflected in my past work on oDesk. My major expertise is in general Linux/Unix, Microsoft products, networking and systems administration and environment architecture, but I also have strong PHP web-programming and management skills. Skills: ✔ Infrastructure design ✔ Project management, Technical support management ✔ DevOps ✔ General Networking, CCNA ✔ Distributions: Debian, RHEL, CentOS, Fedora, Oracle Enterprise Linux, Ubuntu, Gentoo ✔ Microsoft Technologies: Windows Servers and Clients, AD, Exchange, TFS, IIS, MSSQL, Microsoft Networking, Lync. Pursuing 2 MCITP certifications ✔ Amazon AWS: EC2, S3, RDS, SimpleDB, VPC ✔ Virtualization: Xen, OpenVZ, VmWare ✔ Deployment: Puppet, Chef ✔ Web Services&Environments: Nginx, Apache, lighthttpd, Tomcat, JBoss ✔ Mail Delivery: Exim, Postfix, qmail, sendmail, Exchange ✔ Data Storages: MySQL, PostgreSQL, MS SQL, Oracle ✔ Fail-over: clustering, backups, replication, ha-proxy, etc ✔ PHP scripting and webdevelopment ✔ 24/7 Monitoring : Monit, Cacti, Nagios,  less

    ubuntu linux-system-administration windows-administration network-administration computer-networking cisco-routers cisco-ios information-architecture project-management php customer-service customer-support mail-server-implementation dns sendmail qmail postfix windows-xp-administration amazon-ec2 amazon-s3 amazon-web-services amazon-rds 00 more less
    • $35.00 HOURLY RATE
    • 5.0
    • 5496 HOURS
    • ROMANIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 18 TESTS
    ASSOCIATED WITH:
  • Technical Solution Architect in Linux and Opensource Tech

    Senior (Level IV) Linux System admin with over 8 years of experience in installing, maintaining & troubleshooting of 100’s of Unix/Linux systems, Mailing Solutions, Virtualization, Clustering, security software etc. I am a recognized expert in open source technologies and … more

    Senior (Level IV) Linux System admin with over 8 years of experience in installing, maintaining & troubleshooting of 100’s of Unix/Linux systems, Mailing Solutions, Virtualization, Clustering, security software etc. I am a recognized expert in open source technologies and contributor to the open source mailing system and Heartbeat clusters. I have been with CSC for 3 years. I am responsible for service and project delivery, and have been leading medium/large Infrastructure projects at CSC. As a solutions architect I have good all-round ability to juggle multiple projects and meet deadlines whilst at the same time comprehending complex and interdependent business processes. My technical expertise includes Solaris, Linux, Mail and Messaging technologies, Cluster Services, Virtualization technologies, NOC management, consulting, customer support, and internal help desk support. I have also demonstrated proficiency in optimization of legacy projects, Xen virtualization, software development, mass Red Hat-based deployments, HA Linux cluster design, Qmail clusters and NOC management in 24-hour support environments. I work in a challenging atmosphere for the interest of the company and have ability to identify and then deal with a client’s needs by translating them into appropriate technical solutions. Supports and delivered IT services based on ITIL processes, such as Configuration Management, Change Management, Problem management and Incident Management Specialties: I have extensive and in depth experience on Bind, Qmail, Sendmail, OpenVZ, Xen, LVS, openldap, heartbeat, RHCS and many more.  less

    ldap virtualization nagios linux-system-administration sendmail qmail clustering 00 more less
    • $11.11 HOURLY RATE
    • 5.0
    • 0 HOURS
    • INDIA
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 4 TESTS
  • Experienced Windows Linux, Unix, Citrix, ESXi, Network Administrator

    Windows, Unix and Linux servers. Managing OS33 Cloud server, AWS, Deploying VDI, ESXi, Xenserver, Xenapp, XenDesktop, Avaya CallManager. Cisco, Netgear, HP Procurve, Fortinet, Watchguard, Sonicwall, Barracuda, Juniper Switch, Router, NSA configuration.

    linux-system-administration unix-system-administration qmail lotus-notes nagios vmware-administration adobe-photoshop adobe-illustrator technical-documentation technical-support windows-administration pfsense squid vmware-esx postfix citrix-xenserver citrix-netscaler 00 more less
    • $33.33 HOURLY RATE
    • 5.0
    • 5482 HOURS
    • BANGLADESH
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 10 TESTS
  • Web/Mobile Software Engineer/Developer

    grow up into independent successful Web/Mobile Software Engineer/Developer > from hardware power supply up to public social clouds > imagine future trends looking right now around the roots > growing up and supporting internet web projects and 'ria' apps > providing integration … more

    grow up into independent successful Web/Mobile Software Engineer/Developer > from hardware power supply up to public social clouds > imagine future trends looking right now around the roots > growing up and supporting internet web projects and 'ria' apps > providing integration for different types of solutions > establishing links and designing overview Software: Programming and scripting languages: script - ECMAScript, VBScript, JavaScript, JS Frameworks (JQuery, KineticJS, libcanvas) server side - Java SE, PHP, python, sh/zsh/bash, awk/sed/perl Development and maintenance of web applications based on: WordPress, Joomla, Drupal, Symfony2 framework, Yii framework SQLite, MySQL, Memcache PHP, XML, XSLT, HTML, CSS/JavaScript Servers administration: AWS EC2 instances PBAS, HSPc, Virtuozzo, Plesk VMWare ESX/vSphere Apache, MS IIS, Tomcat Qmail, Sendmail, MS Exchange, MailEnable MS DNS, Bind MS Active Directory Nagios, Zabbix, Bacula Database administration: Oracle, Interbase, MSSQL, MySQL OS Administration: MS Windows (Desktop&Server versions) Linux (RedHat & Debian based distros) HP-UX, Solaris Hardware: Designing and developing IT infrastructures: Public Telephone Networks, VoIP complexes local and distributed networks various connection channels (LAN, ISDN, xDSL, WiFi, broadband) Buildling, configuring, installing, maintaining servers (HP, Sun, Intel, Dell, IBM), network equipment (D-Link, Cisco), workstations Diagnostics and removal of hardware problems Workflow: Gathering, analyzing and documenting tech requirements, development tasks, product description; software re-engineering Participation in official public correspondence and other communications Planning and estimating  less

    security linux-system-administration ubuntu centos bash unix-system-administration hp-ux solaris-administration unix-shell windows-administration iis virtualization openvz vmware-administration vmware-esx lamp-administration ssh apache-administration nginx plesk whm cpanel dns ftp smtp database-administration sql mysql oracle-database mail-server-implementation sendmail qmail exim mailenable spamassassin amazon-web-services amazon-ec2 amazon-s3 technical-support helpdesk-support nagios zabbix website-development version-control git github oop html xhtml xml css php regular-expressions ajax javascript jquery drupal wordpress joomla network-planning network-administration tcp-ip firewalls iptables vpn openvpn project-management agile-software-development requirements-analysis asp.net-mvc google-analytics eclipse bacula software-testing software-qa-testing 00 more less
    • $12.99 HOURLY RATE
    • 5.0
    • 157 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 4 TESTS
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