Ubuntu Freelancers

Showing 32 freelancers

Ubuntu Freelancers

Showing 32 freelancers

  • Linux Administrator/cpanel/WHM/Firewall/security/Centos/Ubuntu/WP

    I possess 5+ years of experience in Linux server administration including installing & upgrading Apache,php,mysql and various types of open-source software also compiling and upgrading & installing kernels patches. Also I've good knowledge in installing & configuring virtual server management … more

    I possess 5+ years of experience in Linux server administration including installing & upgrading Apache,php,mysql and various types of open-source software also compiling and upgrading & installing kernels patches. Also I've good knowledge in installing & configuring virtual server management software (Ganeti , proxmox, openvz). Got my BSC in computer engineering and communications with project grade 'Excellent' in image processing and am currently studying for masters in network security. If I can provide you with any further information on my background and qualifications, please let me know. Please note that : I do not accept any jobs related to wine or gambling or adult.  less

    cpanel whm linux-system-administration centos ubuntu mysql virtualization openvz windows-administration virus-removal python 00 more less
    • $16.67 HOURLY RATE
    • 4.9
    • 1229 HOURS
    • EGYPT
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 6 TESTS
    ASSOCIATED WITH:
  • Sr Linux / Amazon EC2 / Migrations / Nginx / Security / DevOps

    A self-motivated System and Network security administrator with more than 10 years in the management and analysis of Linux/Unix enterprise Servers (60- 70 servers). With deep and advance knowledge of highly scalable servers, Cloud Computing, High performance, Hardening Servers … more

    A self-motivated System and Network security administrator with more than 10 years in the management and analysis of Linux/Unix enterprise Servers (60- 70 servers). With deep and advance knowledge of highly scalable servers, Cloud Computing, High performance, Hardening Servers, Migrations, Ethical hacking, Development Operations - DevOps, Open Source services and Server optimization. Certifications such as: Certified Ethical Hacker - Red Hat Certified Engineer - Cisco CCNA. Expertise in: MIGRATIONS: AMAZON/Wordpress/Magento/LAMP/Cpanel migration plans and implementation, backup-restore and recovery plans. I have helped dozens of clients migrate their web sites and applications into the CLOUD. Design and build Web Servers with HIGH PERFORMANCE (LAMP, NGINX/python, Nginx/Varnish, Nginx/php-fpm, Jboss, Apache tomcat and Varnish) - Improve and Fix performance issues, service optimization, security issues and deployments. MALWARE removal and analysis: WordPress / Magento / Joomla Malware removal and remediation, Incident handling and Forensics analysis. BOOST and optimize websites with: NGINX, Varnish, REDIS, Amazon S3, Memcached, APC, apache tunning and mysql tunning, Amazon CloudFront and more. Amazon Cloud Computing (AWS) - AMAZON EC2, amazon CDN S3, amazon RDS, amazon ELB, Amazon AutoScaling, VPC, CloudFront, Route53, etc. Also Management of multiple Control panels like Rackspace Cloud Computing, SoftLayer, GoDaddy, HostGator, dreamhost and MediaTemple. Designing and deploying scalable & Highly available systems such as: Amazon Load Balancing (ELB), Hearbeat, HAProxy, mysql cluster, apache cluster... Network and web security such as: Vulnerability Assessments, Hardening servers, security audits, Penetration testing, Virus/Malware/Threats/Vulnerabilities countermeasures, web security, fail2ban, Tripwire-AIDE-OSSEC, mod_security, mod_evasive, Denial of Services (DDOS) countermeasures, Firewalls (iptables, CSF and apf), etc. VPS: Cpanel / WHM / Plesk / DirectAdmin / Webadmin - Migrations, management, hardening, configuration, maintenance and high level of Administration. Databases Administration such as: Mysql tweaking and tunning, MongoDB, load balancing and Mysql replication (Master & Slave) for High traffic. Database: Mysql tweaking and tunning, MongoDB, ElasticSearch, Apache Solr, Sphinx, lucene, MariaDB, Postgresql replication & Pgpool, Mysql load balancing and Mysql replication (Master & Slave) for High traffic. Continuous integration (CI) and Automated configurations with: Puppet, Capistrano, GIT and Fabric. Jenkins + github, Jenkins + nginx... Networking: TCP/IP high expertise, NAT, FIREWALLS, CISCO routing and switching and Packet analysis with tcpdump and wireshark. Storage solutions and Directory management: SAMBA, NFS, FTP and sftp. LVM and RAID*. SCRIPTING: Bash and python. Proficient with MAIL Servers: postfix, sendmail and Zimbra. Source control versioning: GIT and SVN. Deploying and maintaining Monitoring systems such as: nagios, ZAbbix, cacti and Jboss Operation Network (JON). Backups solutions: amanda, rsync, Amazon backups and rsnapshot. Research & development (R & D) for any open source service and technology.  less

    network-security amazon-ec2 nginx linux-system-administration penetration-testing apache-administration jboss ubuntu virtualization samba security bash mysql amazon-rds amazon-web-services nagios rackspace-cloudservers clustering iptables centos git apache-tomcat unix-system-administration varnish-cache django-framework 00 more less
    • $24.99 HOURLY RATE
    • 4.9
    • 4632 HOURS
    • MEXICO
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 4 TESTS
  • Magento Expert, e-commerce and more

    SEO and expertise for Magento platform. I had 8 years working with a lot of projects built base on PHP and Mysql and 4 years working based on Magento platform. I have some portfolios and built a lot of Magento … more

    SEO and expertise for Magento platform. I had 8 years working with a lot of projects built base on PHP and Mysql and 4 years working based on Magento platform. I have some portfolios and built a lot of Magento sites. My works focus to customise Magento extensions, build theme, create custom extension, import/export, data and more...  less

    php magento jquery gimp unix-shell eclipse netbeans mysql ubuntu microsoft-word microsoft-excel joomla wordpress css html ajax xml sphinx api-development cassandra 00 more less
    • $27.78 HOURLY RATE
    • 4.7
    • 3046 HOURS
    • VIETNAM
    • LAST ACTIVE
    • 11 PORTFOLIO ITEMS
    • 9 TESTS
    GROUPS:
    ASSOCIATED WITH:
  • AWS Certified Solutions Architect, Senior Linux / Cloud Expert, DevOps

    I am APN Consulting Partner: https://aws.amazon.com/partners/overview/consulting-partner/ and AWS Certified Solutions Architect: http://aws.amazon.com/certification/ with 7 years on odesk! I demonstrate knowledge, skills and proficiency with AWS services and can help customers … more

    I am APN Consulting Partner: https://aws.amazon.com/partners/overview/consulting-partner/ and AWS Certified Solutions Architect: http://aws.amazon.com/certification/ with 7 years on odesk! I demonstrate knowledge, skills and proficiency with AWS services and can help customers of all sizes design, architect, migrate, or build new applications on AWS. I have gain access to a range of resources that will enable me to better help my customers deploy, run, and manage applications in the AWS cloud. I have also experience with other cloud solutions like Gogrid, Rackspace, Rightscale, Scalr, Linode, Digital Ocean. I am Linux administrator of the RedHat/Centos, Ubuntu/Debian distributions with preparing the Scalable and Highly Available Products using automation by Puppet/Chef/Capistrano/Elastic Beanstalk/Opsworks/Cloudformation software.  less

    amazon-web-services amazon-ec2 amazon-s3 amazon-rds puppet-administration unix-system-administration perl linux-system-administration unix-shell clustering apache-administration lamp-administration python mysql mail-server-implementation virtualization nagios scalr rightscale zabbix bash postgresql apache-tomcat openvpn squid subversion capistrano postfix centos ubuntu apache-solr mongodb rackspace-cloudservers varnish-cache jenkins redis 00 more less
    • $38.89 HOURLY RATE
    • 4.9
    • 5072 HOURS
    • CZECH REPUBLIC
    • LAST ACTIVE
    • 8 PORTFOLIO ITEMS
    • 7 TESTS
    GROUPS:
  • 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
    • 1129 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 11 TESTS
  • Linux system administrator

    I have great experience in * Linux maintenance (RHEL, Debian, Ubuntu) * Virtualization: (Vmware, Openvz, Virtuozzo, Xen, KVM), * Cloud hosting (Amazon EC2, AWS, S3), * Networking (dhcp, DNS:powerdns/bind/named, vpn: openvpn/pptp, firewalls: iptables/ipfw, qos, proxies), * Web servers (apache, nginx … more

    I have great experience in * Linux maintenance (RHEL, Debian, Ubuntu) * Virtualization: (Vmware, Openvz, Virtuozzo, Xen, KVM), * 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, tomcat), * Mail servers (exim, postfix, qmail, antispam/ antivirus: clamav/spamassassin/amavis, courier, dovecot), * Bulk marketing (Dkim, spf, high speed/inboxing, interspire), * Automation (puppet, perl/shell/awk scripting), * Monitoring (nagios, zabbix), * Hosting panels (Cpanel/WHM, Plesk, Directadmin). Java, J2EE, Maven, JUnit(DTDUnit, JMock, StrutsTestCase, DBUnit), apache commons, SQL (pl-sql/MySQL/ORACLE/MS SQL), HTML, JS, AJAX, CSS, Spring, Struts, Tiles, ORM/Hibernate, XML, XSLT, Jasper, Ant, JMeter  less

    linux-system-administration lamp-administration mail-server-implementation network-administration mysql apache-administration virtualization amazon-ec2 amazon-web-services amazon-s3 unix-shell nagios bash openvpn security squid subversion iptables dhcp exim centos plesk ubuntu cpanel whm nginx postfix rhel 00 more less
    • $22.22 HOURLY RATE
    • 4.8
    • 1215 HOURS
    • BELARUS
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 11 TESTS
    GROUPS:
    ASSOCIATED WITH:
  • Open-source/Cloud Enthusiast, Amazon/Linux/Win Server Admin

    With over 11 years of IT consulting for major fast-moving consumer goods manufacturers, I have already provided a considerable library of solutions. I have implemented solutions for different projects and across different clients. From simple business process solutions to complex … more

    With over 11 years of IT consulting for major fast-moving consumer goods manufacturers, I have already provided a considerable library of solutions. I have implemented solutions for different projects and across different clients. From simple business process solutions to complex function enhancements / code fixes to major system-wide release packages that affected different plants/data centers in multiple countries. I am now seeking for new challenges with designing, developing, implementing new and emerging trends in Open-Source ERP applications such as Wordpress, Magento, Zoho, SalesForce.com, Joomla, and so on. My core competencies are: - Amazon AWS implementation and administration - Linux Server administration - Windows Server administration - System / Server security implementation and checking - PHP/mySQL deveopment / debugging - IT Service Management (ITIL Standards certified) - Solid customer-service experience - end-to-end maintenance and management of ERP/eCommerce systems/software (SAP-certified) - Wordpress/Magento/Joomla administration and development - I have already been able to implement numerous web applications on Amazon, dedicated servers, as well as on my personal computer  less

    amazon-web-services ubuntu linux-system-administration lamp-administration operating-systems-development erp sql php wamp network-administration database-administration computer-networking wordpress supply-chain-management windows-administration dns domain-migration sap technical-support software-testing helpdesk-support sap-erp amazon-ec2 00 more less
    • $8.00 HOURLY RATE
    • 5.0
    • 1985 HOURS
    • PHILIPPINES
    • LAST ACTIVE
    • 7 PORTFOLIO ITEMS
    • 10 TESTS
    GROUPS:
    ASSOCIATED WITH:
  • Senior RoR developer|Ruby on rails|rspec|cucumber|

    Do you have a great idea? Do you need help or someone to consult with for your web site and mobile apps? You can always invite me and discuss your problem. I will be there for you I also have … more

    Do you have a great idea? Do you need help or someone to consult with for your web site and mobile apps? You can always invite me and discuss your problem. I will be there for you I also have EXCELLENT experience in the following areas: MySQL, Java Script, Ajax, OOP, and software design and testing, rspec and cucumber. Gem Working Experience: Gems: ● Devise(Authentication) ● Can Can(Roles authorizatin) ● Paperclip(image upload) ● carrier wave(image upload) ● Refinery CMS(Content management) ● Spree(Stores) ● Redmine(Management tool) ● Active admin(Admin View) ● Stripe(Payments) ● Rails admin(Admin view) ● Google Api V3(google maps) ● Whenever(Cron jobs) ● Elastic Search(Searching) ● Rails best practicies ● Capistrano(App deployment) ● Fog(Cloud Api for saving images on amazon) ● Obviously many many more My Expertise : Ruby on Rails ( 5+ Years) Availability : 40 hours/ week Communication Via : oDesk/Gtalk/Skype/Mail or Call. Reporting : on daily basis. My github id : arvinddagar Please feel free to ask for any further query, I will be happy to work with your project and make it successful. Looking forward for your soon and positive reply Thanks and Regards Arvind  less

    ruby-on-rails jquery html html5 mysql mongodb heroku css css3 ajax sass haml javascript twitter-api twitter-bootstrap asp.net-mvc xml git github shopify amazon-ec2 amazon-s3 ubuntu linux-system-administration unix-system-administration apache-administration spree google-maps-api google-apps-api google-apps google-docs-api seo web-design web-content-management website-development capistrano backbone-js postgresql ruby svn oauth test-driven-development agile-software-development paypal-integration facebook-api apache-click xhtml joomla 00 more less
    • $25.00 HOURLY RATE
    • 4.9
    • 1631 HOURS
    • INDIA
    • LAST ACTIVE
    • 18 PORTFOLIO ITEMS
    • 8 TESTS
  • Linux, Hadoop, Clustering and Cloud Computing expert

    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 … more

    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 !  less

    linux-system-administration hadoop hbase apache-hive amazon-ec2 lamp-administration amazon-web-services unix-shell clustering jboss mysql vmware-administration security ldap couchdb nagios cassandra rightscale scalr apache-tomcat munin rackspace-cloudservers kerberos ubuntu nosql nginx virtualization kvm-virtualization xen-hypervisor 00 more less
    • $33.33 HOURLY RATE
    • 5.0
    • 3111 HOURS
    • ARMENIA
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 5 TESTS
    ASSOCIATED WITH:
  • Linux / Amazon Web Services Consultant

    My technical experience and interests as a system engineer focuses on Cloud Computing: AWS and Rightscale with Linux systems preferably - Redhat/CentOS - Debian/Ubuntu to FreeBSD/NetBSD with preparing the load balancers, replication and clusters for servers. I have 8 … more

    My technical experience and interests as a system engineer focuses on Cloud Computing: AWS and Rightscale with Linux systems preferably - Redhat/CentOS - Debian/Ubuntu to FreeBSD/NetBSD with preparing the load balancers, replication and clusters for servers. I have 8 years experience in UNIX/Linux, database, network administrator. I was being responsible for all security aspects of the various domains including security, installing, virtualization, monitoring and administrating firewall, webserver, mail server, clusters, etc.  less

    virtualization clustering amazon-ec2 linux-system-administration amazon-web-services mysql vmware-administration postgresql security ubuntu apache-tomcat software-debugging 00 more less
    • $22.00 HOURLY RATE
    • 5.0
    • 1470 HOURS
    • UNITED ARAB EMIRATES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 6 TESTS
    ASSOCIATED WITH:
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