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  1. Ara Sadoyan

    Ara Sadoyan Agency Contractor

    Linux, Hadoop, Clustering and Cloud Computing expert

    Armenia - Last active: 3 days ago - Tests: 5 - Portfolio: 4

    I'm 12 years experienced Linux Administrator. I'm professional in: Design, planning and deployment of Hadoop clusters, high available Linux web farms, NoSQL clusters (Riak, Cassandra, Couchbase, CouchDB). Design and deployments of public/private cloud infrastructures. Linux Networking & Security Concepts. Design, deployment and administration of multi node web farms. Linux Clustering and H-A ,Service level load balancing and clustering Linux services (WEB,MAIL,PROXY,DNS,LDAP,SAMBA etc) OS security concepts, Monitoring tools (Nagios, Munin, Ossec, SNMP etc) Bash scripting MySQL Administration, Server optimization Configuration and optimization of JVM`s and Java Application Servers Virtualization solutions (VMWare, XEN, CITRIX etc) And more !

    Associated with: NetAngelS

    $33.33 /hr
    3,510 hours
    4.96
  2. Abdelghafour H.

    Abdelghafour H. Agency Contractor

    Network and Software developer

    Morocco - Last active: 6 days ago - Tests: 4

    I'm a network, software developer, I have consequent experience in LAN/WAN protocol's configuration (Cisco, OneAccess) and development, I worked also on setting up and configuring IPTV and VoIP platforms, I developed many WEB architecture using J2EE, Ruby On Rails and Python Django technologies. My goals through oDesk is to create a trust based network of clients with whom, I can have a long term relationship developing solutions that best suit their needs.

    Associated with: Teliteck

    $33.33 /hr
    1,068 hours
    5.00
  3. Deepa R.

    Deepa R.

    Certified perl developer, c,c++, python,php,web,system,linux admin

    India - Last active: 1 day ago - Tests: 3 - Portfolio: 11

    From the past 9+ years I have been developing Software/Web sites/Utilities/Tools using Perl, Python, Catalyst, Django, Qt, C/C++, Sed/AWK, shell scripting, tcl/tk, mySQL, postgreSQL, RT for MNC's to start ups. I have very decent about 6+ experience in the following areas of Networking: Ldap, Bind DNS, DHCP, Sendmail, Apache, Samba, Server maintenance, mail, EC2, openerp, firewalls, installation & upgrades. I have worked and completed on all types of projects like development, maintenance, automation, testing tools, enhancements, reverse engineering.

    $20.00 /hr
    2,978 hours
    4.98
  4. Dipesh S.

    Dipesh S. Agency Contractor

    Expert In Python/Django, Linux, PHP,ERP / CRM Implementation, EDI

    India - Last active: 1 day ago - Tests: 5 - Portfolio: 3

    Over the last 6 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 Will work with my team. Let me describe my skills. OpenERP :- 1.My expertise are in the field of Open source ERP such as OpenERP, OpenBRAVO, Open EduCat ERP, FrontAccounting, ERPNext, Tryton and Other Well Known product in market with having 2-3 of work experience in the reptated organization . Work in such organization helped to understand the Business Process of various industries like Manufacturing ,Retail etc. 2.Implemented more than 20-30s OpenERPs at client server along with the INTEGRATION ,CUSTOMIZATION, MIGRATION, DEVELOPMENT and PROFESSIONAL TRAINING. 3.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. EXPERIENCE :- Have 5 year of experience in OpenERP. LINUX :- 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. EXPERIENCE :- Have 5+ year of experience in LINUX. My core competency lies in complete end-end :- 1. Open Source Installation, Development, Customization and Support 2. SAN in ECM and Hitachi, and Volume Manager, like Veritas, and SVM 3. Tools/Packages/Software development in Java, Ruby on rails, Perl, python 4. Asterisk & Freepbx, A2Billing, Calling Card Solution and ivr solution. 5. Linux Server Security, Vulnerability Scanning and Penetration Testing. 6. Administrate VPS and dedicated Server. 7. Administrate LAMP (Linux, Apache, Mysql, PHP) Server. 8. Apache: Audit, performance and load balancing. 9. Automated MySQL database backup. 10. PHPMyAdmin MySQL database manager. 11. Setting up MySQL replication (Master-Slave,Master-Master,...). 12. Install and configure Mysql Cluster for Ubuntu,Redhat,Centos. 13. Mail Services like Postfix,dovecot, Sendmail etc. Also worked on Panelslike Plesk, webmin, Cpanel Directadmin etc. 14. Install and configure virtualmin (Migrate website,migrate databases,...). 15. Install and configure wordpress,drupal,theme,... (windows,linux,...). 16. Application Development in php, cms, Joomla, wordpress. 17. Web Performance, Security & penetration Testing. 18. Expert in Stock Mining and data mining and familiar with the following Concepts/algorithms Noise/Outier Removal,Signal processing, Data stream processing, Classification, Clustering Prediction. WEB SCRAPING :- 1. I have high skills in Web Scraping and have a lot of good libraries in PYTHON. BeautifulSoup module is good for parsing HTML/XML files and its possible to extract everything from the web pages. Also urlib2 is good module for fetching the web pages. Our libraries is able to bypass the security issues such as intrusion detection systems (by changing the outgoing IPs, handling sessions, user/pass logins) and also use multiple web/socks4/socks5 proxies. 2. MOST IMPORTANT FEATURE of my skills is that i can give you unlimited number of proxies.i can develop a program that is able to change its outgoing IP address without using web proxies PYTHON / PHP :- 1.10 + year of experience in PYTHON,PHP, HTML, JavaScript ,MySQL. 2.Familiar with all kind of algorithms in Pattern Recognition and Machine Learning fields. 3.Expert in Artificial Intelligence ,Stock Mining and data mining and familiar with the following Concepts/algorithms Noise/Outier Removal,Signal processing, Data stream processing, Classification, Clustering Prediction. 4.Have good experience in FLASK and DJANGO. Thanks & Regards, Dipesh Sahni

    Groups: Crossrider, PHPFox

    Associated with: Genpex IT Solutions, Dipesh Sahni Agency

    $27.78 /hr
    1,270 hours
    4.83
  5. Milan Gunawardana

    Milan Gunawardana

    Expert in Systems,Databases Administraion with Linux/Oracle experience

    Sri Lanka - Last active: 1 month ago - Tests: 3 - Portfolio: 1

    I'm expert in system engineering with more than 3 years experience. I've given support to software development team by planning and implementing IT solutions as per their requirements. Installing ,Upgrading and Maintaining the Unix/Linux like operating systems, Database like Oracle, Mysql, Hardware like sun/oracle, HP, DELL, IBM servers and on the virtualization Technologies such as EXSi, KVM, Oracle VM.As well as I enjoy Troubleshooting and Scripting on all above technologies. As well as I've been attending to the special project,call on site system engineering for Managing IT Solutions at Dialog Axiata PLC. During I've installed and configured the Monitoring and Operating System Usage Gathering tools, resolved the Audit Issues and Security Vulnerabilities, managed Backups and Storage, Monitoring, Analyzing and Troubleshooting on Hardware and Operating Systems' behaviors in online critical systems to keeping stable and performance of system and working with Operating systems service support teams to resolve the bugs. I'm a fast learner and good team player .all the above task are achieved by self learning and hard working.I'm very energetic ,flexible, positive, highly motivated team player and always Willing to adapt any situation ,take responsibilities and challenges. I have a BSc In Management Information Systems from University College Dublin (UCD) - Ireland and Higher Diploma in computer base information system from National Institution of Business Management in Sri Lanka. I'm a Red Hat Certified Engineer(RHCE). getting touch at milanthanuja@gmail.com ,Skype (milanthanuja) or call on +94777660851

    $16.67 /hr
    0 hours
    0.00
  6. Pradipta Sahoo

    Pradipta Sahoo

    Openstack Engineer

    India - Last active: 1 month ago

    Competent, accomplished, and results-oriented Information Technology specialist with 4 Years of experience and demonstrated Success in designing and supporting Linux and Open source technologies in Enterprise Datacenter. Deep expertise in administration and implementation of Linux systems. Good implementation experience in emerging technologies like Virtualization and Cloud Computing. Dedicated with the proven expertise and strong ability to increase system reliability, ensure recoverability, improve server performance and introduce system efficiencies under adverse conditions and stringent deadlines. Openstack Cloud Administration • I am working as a Cloud Deployment Engineer in OpenStack Technologies. • Responsible to design and implement Cloud infrastructure and delivery in our cloud consulting engagements. • We do the assessment of our internal organization and try to maximize and use the existing IT resources for building up Cloud Infrastructure. • Build a Private cloud infrastructure for the applications and services which need to be hosted in house based on available IT skills, cost efficiency, security and compliance reasons. • Install and configure latest (multi-node architecture) versions of OpenStack. • Install Openstack Component distributed datacenter server and good knowledge to integration with message broker service (Rabbitmq). • Creating Users, Project and providing role as per the business requirement through Keystone. • Manage Quota limit access for on various service on Openstack like Compute and Block storage. • Adding Images using Glance service and sharing images between projects. Integrate Object storage service for Glance. • Provide floating IP access to instance for accessing over internet. • Planning and performing configuration and maintenance the Openstack core services and make sure that all services are running successfully. • Inspecting and Recovering Data from Failed Instances. • Analyze the logs to fix the configuration and runtime issues. • Performing routine backup on Database (Maria-DB/MySQL) and file-system for each Openstack Services. • Having good understanding process flow for Software Defined Network (SDN) component for L2 and L3 Networking plugin devices and configuration. • Created Linux Virtual Switches using Openvswitch agent and integrated physical/Virtual NIC for Uplink port as per Neutron on demand. • Adding Multinode Compute Node Configuration and knowledge to create the GRE tunnel network for internal VM communication over the tenant network. LDAP and Kerberos Server Administration • Configure Open-LDAP and 389-Directory Server as per User requirement. • Authenticate user, group and host in LDAP Directory Server. • Migrating existing data from local server to LDAP Server. • PAM configuration for LDAP user's home directory in client machine. • Configuring Kerberos Server and Authenticate Kerberos password against LDAP users. • Authenticate client host using LDAP and Kerberos Server details. • Creating Kerberos Principal for user, group and host. • Good knowledge unidirectional synchronization in between AD and IPA Directory Server. • Good knowledge on Master and Slave concept in LDAP Server. Red-Hat Clustering and Storage Administration • Creating Shared storage for Cluster node using ISCSI protocol. • Experience on multi-pathing in shared storage using Device Mapper Multipath tool. • Add/Delete/Modify Cluster node using Luci Administration. • Configuring cluster configuration files and validate with all cluster nodes. • Good experience in configuring Fencing service for cluster node as per hardware compatible (VMware Environment) • Experience on Red Hat HA Web Cluster which includes configuring servers to cluster and creating GFS2 file systems, creating cluster resource groups, Cluster HA service failover and configuring quorum disks and troubleshooting cluster related issues. • Checking cluster resources status and Bringing up the resources when they are PARTIAL or OFFLINE Status. Trouble-shoot cluster node via Quorum to prevent the split-brain condition. • Freeze and Unfreeze Cluster services during maintenance period. • Failing over services to good side of the node as per requirement. • Configuration and implementation of RAID (0, 1, 5) levels on HP Proliant blade. VMware Administration • Experience in VMware vSphere client, handling Cluster concepts like creating clusters, migrating VM, add host and remove host to the cluster. • Hands on experience with ESXi hosts consisting of adding servers to vCenter, vlans to ESXi host, building ESXi server, changing license, port group. • Decommissioning ESX hosts as per user request and placing and removing servers into Maintenance mode. • Working with Virtual Machines that include changing VM settings, Creating and removing VMs and installing VMware tools.

    $10.00 /hr
    0 hours
    0.00
  7. Gaurav K.

    Gaurav K. Agency Contractor

    Expert Designer & Developer | Linux System Administrator

    India - Last active: 6 months ago - Tests: 4 - Portfolio: 1

    Greetings, In 7 years of my experience I supported many companies for manage/develop linux/php projects. I understand time value and habitual to be on time. OS: Linux - expert, FreeBSD and Windows Server - proficient Web servers: Apache, Tomcat Database servers: Mysql, Postgresql Monitoring: Nagios, Zabbix, Scripting: bash, sed, perl, awk, php Virtualization: Openvz, Vmware, xen, Redhat Mail servers: PostFix, Sendmail, Dovecot Backups: Bacula Authentication: LDAP, Kerberos. Other: standard network services (DNS, DHCP, LDAP, Samba, SVN/Git, http proxy, jabber, VPN, backups, monitoring, network and server security etc), firewalls and routers (iptables, iproute, VLAN, bridging, bonding).

    Associated with: SysInfoCom

    $6.00 /hr
    2 hours
    0.00
  8. Cephas K.

    Cephas K.

    Mr

    South Africa - Last active: 08/06/2013 - Tests: 2 - Portfolio: 3

    Duties include (not limited to): Firewall connectivity and email management,solutions development, routing, project management, wireless connectivity, billing. DNS, ftp, Ldap, mySQL administration, bulk mail solutions and Desktop support. Currently administrating the following operating systems: Gentoo, Debian, CentOS, MS Server 2008, Ubuntu Currently supporting applications interfacing with all major operating systems not limited to: Max OS X+, Windows XP to 7, Windows Server Editions 2003 to 2008

    Groups: LPIC-1, LPIC-2...

    $11.11 /hr
    0 hours
    0.00
  9. Hans Raj

    Hans Raj

    Expert in WHMCS, cPanel, Site Migration, SVN, GIT, WordPress SEO

    India - Last active: 12/06/2013 - Tests: 4

    6+ Year WHMCS Experience - Linux Web Hosting Administrator - Windows Web Hosting Administrator - GoDaddy, Hostgator, BlueHost, Justhost - Site Migration - Apache, IIS, LAMP Server - cPanel & WHMCS - Virus/Malware Cleanup

    $10.00 /hr
    0 hours
    0.00