Ubuntu Freelancers

Showing 267 freelancers

Ubuntu Freelancers

Showing 267 freelancers

  • Experienced writer, systems admin and network analyst

    I am fluent English speaker with mastery of the language and it's grammar rules. While writing is my a passion I am a trained systems and network administrator. I've provided services for clients such as Microsoft and Intel … more

    I am fluent English speaker with mastery of the language and it's grammar rules. While writing is my a passion I am a trained systems and network administrator. I've provided services for clients such as Microsoft and Intel and well as smaller projects. Currently I'm completing my masters in Computer science and hope the be a freelance developer in the future  less

    linux-system-administration windows-administration ubuntu linux-slackware 00 more less
    • $15.56 HOURLY RATE
    • 5.0
    • 2 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 9 TESTS
  • Network Engineer

    WORKING EXPEIENCE: (Since October 2007 to Present) ● Worked as the Team Leader for the Business IT Helpdesk at Inbay Ltd. (6 Team Members, 47 Cooperate Clients in the UK – Windows, MAC and Linux based networks) ● Worked as the Team Leader … more

    WORKING EXPEIENCE: (Since October 2007 to Present) ● Worked as the Team Leader for the Business IT Helpdesk at Inbay Ltd. (6 Team Members, 47 Cooperate Clients in the UK – Windows, MAC and Linux based networks) ● Worked as the Team Leader for the SMB/SME Division at Eureka Technology Partners (4 Team Members, 8 Cooperate Clients - Windows based networks). ● Worked as a Systems Administrator at Eureka Technology Partners. Was involved in providing support for several Domain Environments in the US and UK. Managing all servers (DC, Exchange Servers, Terminal Servers, SQL Servers, etc.) including Backup Exec as the main backup solution. ● Worked as an IT Support Executive at Eureka Technology Partners. Provided support for US and UK clients, troubleshooting software and hardware related issues. This included all aspects of Desktop issues including troubleshooting and configuring Routers and Printers (Wired/Wireless). ● Worked as a Customer Service Executive at INNODATA-Isogen. Obtained overseas project related training in the Netherlands conducted by the Publishing Giant in Europe SWETS. Hands on Experience • Windows Server 2003 – 2008 R2 (Testing implementations with Server 2012) o Successfully lead 2 migrations from Server 2003 to Server 2008 R2 • Exchange 2003 – 2010 SP1 (Testing implementations with Exchange 2013) o 2 Successful Exchange 2003 – 2010 migrations and one disaster recovery (Restoring a dead exchange server from ground level with no loss of data) • Deploying, Configuring, Managing Hyper-V (as a Hyper Visor Solution) • Deploying, Configuring, Managing and Upgrading ESXi (as a Hyper Visor Solution) • Deploying and Configuring LAMP, Samba, FTP, Torrentflux with Ubuntu Server (Production Use) • Deploying and Configuring pfsense as a Router/Firewall appliance with Multi-WAN load balancing and failover, Clustering for H/A, Web Proxy (SQUID), ntop (network monitoring) • Working experience with CISCO routers and switches (Not involved in complex configurations) • Coded and implemented MIS systems (based on PHP, MySQL, Javascript, JQery, CSS, Google APIs, PRTG APIs, etc) for two of the companies I worked for, as an act of good faith.  less

    network-administration network-planning pfsense microsoft-exchange-server ubuntu google-apps 00 more less
    • $10.00 HOURLY RATE
    • 5.0
    • 1536 HOURS
    • SRI LANKA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • Expert Web Designer and Seo specialist with sound knowledge in Hosting

    Hykster Technology is a leading software company specializing in providing software services to the global market. We deliver significant value to our customers by providing cutting edge technology solutions, project management expertise, analysis of projects at business commercial level and … more

    Hykster Technology is a leading software company specializing in providing software services to the global market. We deliver significant value to our customers by providing cutting edge technology solutions, project management expertise, analysis of projects at business commercial level and above all a strong code of ethics & an unwavering commitment towards customer excellence. Hykster Technologies has already made its mark in the Web Design and Web Development business since 2010.Hykster Technologies not only provide Website Design, Software Development but also provide best options for, Web Hosting, Graphics Design, Web Applications, Mobile Applications, Linux Support, Search Engine Optimization, Domain Registrations and a lot more. Our team of Professionals is always ready to take on any task that would help boost every kind of business's stature in the wide world of web.  less

    web-design linux-system-administration centos ubuntu fedora mobile-app-development web-testing 00 more less
    • $5.56 HOURLY RATE
    • 5.0
    • 0 HOURS
    • INDIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 3 TESTS
  • I.T. professional - TechSupport / SysAdmin

    Windows server 2003/2008/2008R2/2012, Windows XP/Vista/7/8, Microsoft Exchange 2003/2007/2010/2013, Outlook 2003/2007/2010. ISA 2006/Forefront TMG. Network traffic analysis using Wireshark. Virtualization environments: Hyper-V, Vmware Workstation and vSphere Basic Linux administration … more

    Windows server 2003/2008/2008R2/2012, Windows XP/Vista/7/8, Microsoft Exchange 2003/2007/2010/2013, Outlook 2003/2007/2010. ISA 2006/Forefront TMG. Network traffic analysis using Wireshark. Virtualization environments: Hyper-V, Vmware Workstation and vSphere Basic Linux administration (CentOS, OpenSuse, Ubuntu). MCDST (Microsoft Certified Desktop Support Technician, Windows XP), MCSA (System Administrator + Messaging, Windows Server 2003), MCTS (Technology Specialist, Windows Vista, Exchange 2007 and 2010, Office 365 for Small Businesses), MCITP (Technology Professional, Windows Server 2008), Linux+ certified. Wireshark Certified Network Analyst, VMware VCA (VMware Certified Associate) Other products I’ve been exposed to: Symantec Backup Exec, Symantec Enterprise Vault, Microsoft OCS 2007 / Lync, Blackberry Enterprise Server, Microsoft SCCM 2007, Microsoft SQL server 2005/2008/2012 Excellent interpersonal skills, problem-solving attitude, accuracy, teamwork and organizational skills, self-management . Experience working in different countries (UK, Ireland, Italy) IT skills (6+ years experience) University degree in Philosophy (4 years, Faculty of literature and philosophy - University of Pisa, Italy) International English Language Test System (Academic) TOEFL: 107/120  less

    microsoft-exchange-server isa-server microsoft-outlook-development vmware-esx vmware-administration ubuntu microsoft-sql-server-administration microsoft-hyper-v 00 more less
    • $22.22 HOURLY RATE
    • 5.0
    • 2740 HOURS
    • PERU
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 10 TESTS
    GROUPS:
  • System / Network Administrator

    For expert and experience you should hire me as a system administrator or network administrator for your valuable projects. I have a great work experience of lunux Debian, Redhat, Fedora, Amazon cloud AWS EC2 server, amazon cloud RDBS, Rackspace cloud … more

    For expert and experience you should hire me as a system administrator or network administrator for your valuable projects. I have a great work experience of lunux Debian, Redhat, Fedora, Amazon cloud AWS EC2 server, amazon cloud RDBS, Rackspace cloud server, Digital ocean cloud server, VPN, CISCO routers and switches, virtual box, VMware, Mikrotik router, Linux Quagga router, HTML, PHP, shell scripting, Windows 2003, 2008 with exchange 2003 and exchange 2007. I have also many years practical experience of linux DNS, Proxy, Mail, Virtual web, FTP, VPN, SAMBA, NFS, NTP, Virtual machine, Mysql and many web based application. I am always ready to start with your journey of projects.  less

    linux-system-administration redhat-administration ubuntu postfix lamp-administration svn mrtg dns mysql amazon-ec2 00 more less
    • $5.56 HOURLY RATE
    • 5.0
    • 23 HOURS
    • BANGLADESH
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 2 TESTS
  • Cordova/Phonegap Developer

    I am a nerd who also has patience when it comes to listen to the clients, working mostly with the people who inspire me for breaking through the barriers an extensive experience in shell level programming and command line tools … more

    I am a nerd who also has patience when it comes to listen to the clients, working mostly with the people who inspire me for breaking through the barriers an extensive experience in shell level programming and command line tools is what excites me. While rest of the world calls it a Phonegap I prefer using Cordova and every other month is spent adopting several plugins developed for the platform to new version. iOS7 is exciting so the evolution of OpenGraph Applications and I would be happy to help when it comes creating solutions those eventually contribute back to the community and ecosystem.  less

    phonegap ubuntu apple-xcode html5 jquery-mobile cpanel 00 more less
    • $20.00 HOURLY RATE
    • 4.5
    • 53 HOURS
    • INDIA
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 7 TESTS
    ASSOCIATED WITH:
  • Experienced Linux System Administrator

    I have been working on cloud computing technologies,especially in Amazon Web Services (AWS) and I have experience on EC2,VPC,RDS and S3,Elastic Load Balancer and Autoscaling. I have also managed servers in Rackspace Cloud. I have helped … more

    I have been working on cloud computing technologies,especially in Amazon Web Services (AWS) and I have experience on EC2,VPC,RDS and S3,Elastic Load Balancer and Autoscaling. I have also managed servers in Rackspace Cloud. I have helped companies migrating to cloud from traditional hosting setup. I'm not only interested in scaling the performances of web sites but also helped high traffic web sites achieving this by setting up apache-nginx reverse proxy setup. Recently I have also setup Varnish Cache for a drupal website which increased the overall performance of the website. I have worked with many security auditing tools like maldetect,clamav,chkrootkit etc and also helped websites in removing malwares,viruses,iframe redirection and google blacklisting. One of the main area where I'm constantly learning and improving is prevention of spam in mail servers (mainly exim). I have good expertise on managing 100 plus Linux servers spread across different parts of the country. I have expertise on remote server management tools like OpenSSH,GNUscreen etc. Also includes managing web servers using Apache,Nginx and web hosting control panels like Plesk,Cpanel,ISPConfig etc. I have managed 100 plus Mysql databases,Percona's Xtra Backup and have good knowledge in data retrieval technologies and data analysis methods. I regularly uses shell scripts, awk, sed and regular expressions for the data processing and analysis. My field of interests includes Server Scalability, Automation and Server Security. Servers : - Centos,Ubuntu,debian,RedHat Linux Control panels: - Webmin,cPanel,Plesk Web Servers: - Apache,Nginx Databases: - MySQL,MariaDB,XtraDB(Percona MySQL) Security: -ClamAV,maldetect,rootkithunter,virus and malware cleaning services Mail Servers: - Exim,Postfix Cloud: - AWS,Rackspace High Performance Computing: - Varnish,Nginx-Apache Reverse Proxy,MySQL replication,Elastic Load Balancer (AWS), S3 backup, Route53 Failover DNS  less

    mysql ubuntu database-administration linux-system-administration apache-administration mail-server-implementation virtualization plesk cpanel amazon-web-services 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 3 HOURS
    • INDIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 6 TESTS
  • Linux System Administrator / Technical Writer

    LINUX ADMINISTRATION: Whether your business needs a virtualization solution, remote administration, more secure and sophisticated software services, or simple, clean, and efficient publications or websites, I'll bet I can solve your problems quickly and on-budget. WRITING: Looking for great … more

    LINUX ADMINISTRATION: Whether your business needs a virtualization solution, remote administration, more secure and sophisticated software services, or simple, clean, and efficient publications or websites, I'll bet I can solve your problems quickly and on-budget. WRITING: Looking for great writing? Looking for someone with a strong tech background who is able to write clear, engaging text with the clarity and focus of a professional teacher? Do your company's software documentation and user guides need greater clarity? Is it time for a major update? I can help. Over the years I've written and edited enterprise software documentation, user guides, tutorials, and hundreds of articles. My careful attention to detail, experience and love for both writing and editing will ensure high quality output for written and desktop publishing projects. I'm familiar with Atlassian Confluence and other Wiki documentation systems. NOTE: As I use only open source software for my desktop publishing projects, my customers can both keep and easily reuse the original files.  less

    technical-writing article-writing business-writing atlassian-confluence technical-documentation users-guide-writing linux-system-administration tcp-ip ubuntu html print-layout-design 00 more less
    • $25.00 HOURLY RATE
    • 4.4
    • 147 HOURS
    • CANADA
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 10 TESTS
  • Senior Network and System Administrator

    Network and System Administration Skills with 5 years of Hands on experience on ISP and Telecom with good exposure on IT networks and systems design, planning and implementation ensuring proper security. Vendor Certification : CCNA, CCNP R&S, RHCE, MCP, MTCNA … more

    Network and System Administration Skills with 5 years of Hands on experience on ISP and Telecom with good exposure on IT networks and systems design, planning and implementation ensuring proper security. Vendor Certification : CCNA, CCNP R&S, RHCE, MCP, MTCNA, ITIL-Foundation Course Completed : CCNA Security,CCNA Voice,CCIP BGP,CCIP MPLS Specialization * Routing and Switching: Cisco,Juniper,Mikrotik,HP,Zyxell, Netgear, Quagga, Linux Gateway,Egdemax * Firewall : Cisco ASA,PFSense,Cisco Pix,Zywall,Linux Iptables,QOS,Edgemax,Mikrotik * Server OS Platform : Centos,Ubuntu,Debian,Redhat,Windows Server 2003 & 2008.2012 * VPN (Remote Access/Site to Site): Mikrotik RouterOS,Cisco ASA,Open VPN, OpenSwan, PFSense,DD-WRT,Cisco Pix,PPTP Vpn linux,GRE over IPSEC,Linux IPSEC,Dell Sonicwall PF Sense,Strongswan,Windows Server 2003 , 2008, 2012, Zywall, Netgear,TP Link,Draytek Vigor,Forninet,Juniper Netscreen,Checkpoint,Cisco IPSEC/L2tp,AnyConnect SSL WebVPN. * Application Server : Mail,Dns,Dhcp,Proxy,Samba,Ftp,Web,Active Directory,Cacti,MRTG,Syslog,Free Radius,Daloradius,Phpmyadmin * Virtualization : Vmware,Linux Xen * Wireless : DD-WRT,Netgear,Linksys,Dlink,TP Link,Cisco Aironet 1100,1200 * IP Telephony : Core Asterisk,Elastix,Trixbox,Asterisk now,Free switch,ATA, IP Phone * Cloud : AWS EC2 Instance,DigitalOcean  less

    cisco-routers cisco-ios cisco-asa vpn firewalls cisco-pix linux-system-administration ubuntu mail-server-implementation asterisk elastix vmware-administration radius openvpn centos mikrotik-routeros 00 more less
    • $38.89 HOURLY RATE
    • 4.9
    • 148 HOURS
    • BANGLADESH
    • LAST ACTIVE
    • 44 PORTFOLIO ITEMS
    • 11 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
    • $11.11 HOURLY RATE
    • 5.0
    • 101 HOURS
    • INDIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 3 TESTS
loading