Red Hat Enterprise Linux (RHEL) Freelancers

Showing 28 freelancers

Red Hat Enterprise Linux (RHEL) Freelancers

Showing 28 freelancers

Browse Rhel job posts for project examples or post your job on oDesk for free!

Rhel Job Cost Overview

Typical total cost of oDesk Rhel projects based on completed and fixed-price jobs.

oDesk Rhel Jobs Completed Quarterly

On average, 4 Rhel projects are completed every quarter on oDesk.

4

Time to Complete oDesk Rhel Jobs

Time needed to complete a Rhel project on oDesk.

Average Rhel Freelancer Feedback Score

Rhel oDesk freelancers typically receive a client rating of 4.81.

4.81

Last updated: March 1, 2015

  • Senior Systems & Network Engineer

    With over 15 years of experience in the IT field, having worked at some of the most demanding environments as a Senior Unix System administrator (FreeBSD/Linux) and a Security expert. I specialize in complex ISP based *nix installations, corporate … more

    With over 15 years of experience in the IT field, having worked at some of the most demanding environments as a Senior Unix System administrator (FreeBSD/Linux) and a Security expert. I specialize in complex ISP based *nix installations, corporate Mail servers, large high traffic Web servers, Database servers and large ZFS based storage solutions. I have extensive knowledge in Virtualization technology. I have being involved with various types of Cloud solutions especially with OpenStack and CloudStack and KVM I like to deliver fast results with great quality and I never overcharge my clients.  less

    freebsd security unix-system-administration vpn linux-system-administration centos rhel solaris-administration firewalls mail-server-implementation apache-administration amazon-ec2 virtualization mysql 00 more less
    • $30.00 HOURLY RATE
    • 5.0
    • 542 HOURS
    • GREECE
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 10 TESTS
  • Unix/Linux System Administrator

    Certificate Advanced English (CAE) by Cambridge SSCNA - Sun Solaris Certified Network Administrator SSCSA – Sun Solaris Certified System Administrator ITILv2 - Foundation Certificate in IT Service Management Knowledge OS: Linux (Red Hat, CentOS, Fedora, Debian, Ubuntu), Unix (Sun Solaris (9,10,11 … more

    Certificate Advanced English (CAE) by Cambridge SSCNA - Sun Solaris Certified Network Administrator SSCSA – Sun Solaris Certified System Administrator ITILv2 - Foundation Certificate in IT Service Management Knowledge OS: Linux (Red Hat, CentOS, Fedora, Debian, Ubuntu), Unix (Sun Solaris (9,10,11). Web Server: Apache HTTP Server, MS IIS. Application Server: Apache Tomcat, JBoss, Weblogic, OAS. Virtualization: VMWare 4/5, Oracle VM, Oracle VirtualBox. Clustering: Sun Cluster, Heartbeat Linux HA, JBoss Cluster, Apache Tomcat Cluster, Oracle Clusterware, RHCS. Monitoring: Nagios (Centreon), Cacti. Storage: Hitachi USP VM, Hitachi HUS, NetApp FAS-2050. Networking: TCP/IP, CISCO (ASDM), BlackDiamond (ExtremeWare), Firewall-1, Fortigate. Software: BIND, LDAP.  less

    rhel solaris-administration clustering apache-tomcat apache-administration vmware-administration nagios network-monitoring jboss load-balancing 00 more less
    • $10.00 HOURLY RATE
    • 5.0
    • 0 HOURS
    • SPAIN
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 0 TESTS
  • Esteban Hernandez

    General Overview Linux Administrator with 5 years experience I am seasoned enough to know to acknowledge when I do not know something, or do not have the answer. There is never “one way” to do something, and no matter how … more

    General Overview Linux Administrator with 5 years experience I am seasoned enough to know to acknowledge when I do not know something, or do not have the answer. There is never “one way” to do something, and no matter how a problem is solved, there is always a better solution. Enjoy challenges and learning. I will not charge for learning general technologies that have application beyond a contracted project. I believe in the power of the web. I believe in the power of cloud computing, and SaaS. Willing to do oncall 24x7 immediate availability. Experience Cloud Services: Amazon Web Services EC2 Elastic IP Console Manager I have recently completed a number of production server deployments to Amazon Web Service (AWS). Each migration included building a new AMI as well as exports/imports of production data. SVN migration to AWS (centOS) dotProject migration to AWS (centOS) Bugzilla migration to AWS Linux (Centos, Ubuntu, Solaris, Suse, Red Hat) Worked for software development company for 4 years maintaining and deploying a wide variety of systems and applications including: LAMP, Bind DNS, PHP, apache, mysql, LDAP, Nagios, Cacti, fortigate firewalls, Joomla, wordpress, Plesk, Jboss4, Tomcat, Oracle, PXE Installs, Vmware, Virtual Box, red hat spacewalk, Bacula, Oracle and Mysql migrations, shell scripting and general sys admin work maintaining and monitoring the data center with over a 100 servers. HP (Technical Account Manager): 1 year experience handling Level 3 linux cases with US based customers, main point of contact between HP and the clients communicating via Email, phone or video chat, helping them resolve the cases from beginning to end engaging engineers from 3rd party software if required and keeping constant communication between the parties.  less

    centos ubuntu apache-administration php mysql jboss bugzilla amazon-web-services apache-tomcat amazon-ec2 wordpress sendmail home-automation rhel 00 more less
    • $22.22 HOURLY RATE
    • 5.0
    • 71 HOURS
    • COSTA RICA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 5 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
    • $27.78 HOURLY RATE
    • 4.8
    • 1304 HOURS
    • BELARUS
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 11 TESTS
    GROUPS:
    ASSOCIATED WITH:
  • RedHat/CentOS linux system administrator.

    I'm a RedHat/CentOS linux system administrator, skilled in HA RHEL cluster, RHEL KVM virtualization. I have experience with: - Zabbix; - Sendmail; - OpenLDAP; - Dovecot; - XBMC/Kodi/OpenElec. … more

    I'm a RedHat/CentOS linux system administrator, skilled in HA RHEL cluster, RHEL KVM virtualization. I have experience with: - Zabbix; - Sendmail; - OpenLDAP; - Dovecot; - XBMC/Kodi/OpenElec.  less

    linux-system-administration rhel centos 00 more less
    • $11.11 HOURLY RATE
    • 5.0
    • 0 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 4 TESTS
  • Solutions Architect, Linux Administrator, AWS Ninja, DevOps Evangelist

    Melbourne based System Administrator with expertise in Linux Server optimization, security and service deployment on VPS/Physical, Cloud Platforms(AWS,Rackspace). I believe in getting the job done with the best possible quality. Period. Clear timely communication with the clients … more

    Melbourne based System Administrator with expertise in Linux Server optimization, security and service deployment on VPS/Physical, Cloud Platforms(AWS,Rackspace). I believe in getting the job done with the best possible quality. Period. Clear timely communication with the clients and their team is always my priority. I have been working with all the major providers: Rackspace, Amazon, Softlayer, Godaddy, Hostgator, Bluehost, Linode, DreamHost, Mediatemple, Lunarpages. Expertise in Linux Administration is as follows (but not limted to) Server Distributions: RedHat, Centos, Fedora, Debian, Ubuntu, Gentoo, Suse, Mandriva, Opensuse, Knoppix, Slackware. Web servers: Apache, Lighttpd, Nginx, Tomcat File servers: Proftpd, Pureftpd, Vsftpd, Sftpd, TFTP, NFS, Samba DNS servers: Bind9, MyDNS, NSD Mail servers: Postfix(TLS,SASL), Exim, Sendmail, Qmail, Dovecot, Courier. Logging services: Syslog, Rsyslog, Syslog-ng Proxy servers: Squid(forward and reverse proxy), nginx, pound, lighttpd. Firewalls: Iptable scripts and Advance Policies Firewall with bruteforce detection. Firewall configuration: NAT, IP Masquerade Jabber servers: Openfire, Ejabberd, Djabberd Database servers: MySQL, Postgresql Backup: Bacula, bash scripts. VPN: PPTP Virtualisation: Openvz/Virtuozzo, Xen, Qemu, KVM, VMware Server, Parallels Workstation, Virtualbox headless, HyperVM. Monitoring: Nagios, munin, zabbix, zenoss Automation: Puppet(fan), custom bash scripts. Revision control: Git(fan), Subversion Package management: yum, rpm, dpkg, aptitude, apt-get, emerge Security: Nessus, John The Ripper, Tiger, PGP, GPG, nmap, Openvas, Snort, Ettercap, arpwatch, SSH, SSL, TLS, TCP Wrappers, Ethereal, dsniff, tcpdump, portsentry, rkhunter, chkrootkit, clamav, SPF, Spamassassin, domain keys. Cloud computing: Amazon (EC2, EBS, S3, CloudWatch), Rackspace services. Assessment tools: sar, vmstat, iostat, mpstat, netstat, iptraf, iftop, lsof, ntop, serverstats Misc services: NTP, Cups, DHCP, Dnsmasq  less

    lamp-administration apache-administration linux-system-administration postfix whm iis unix-shell mysql vpn nagios munin ftp cpanel plesk nginx postgresql lighttpd subversion puppet-administration ssh iptables drupal domain-migration mail-server-implementation openvz virtualization redmine amazon-ec2 amazon-web-services amazon-s3 rackspace-cloudservers virtuoso bash exim firewalls ssl centos ubuntu security email-deliverability-consulting mailenable ffmpeg atlassian-jira python rhel 00 more less
    • $70.00 HOURLY RATE
    • 5.0
    • 1813 HOURS
    • AUSTRALIA
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 1 TEST
    ASSOCIATED WITH:
  • Senior System Administrator

    One of TOP10 freelance system administrators in Russia: https://www.free-lance.ru/users/psaux/opinions/ Highly skilled system administration expert with more than 10 years of professional background. Experience in hosting companies, software development companies, government sector. Good in firewalls … more

    One of TOP10 freelance system administrators in Russia: https://www.free-lance.ru/users/psaux/opinions/ Highly skilled system administration expert with more than 10 years of professional background. Experience in hosting companies, software development companies, government sector. Good in firewalls, IDSes, white hat and black hat security testing, DDOS protection. Providing 24x7 uptime service. My target is to achieve BEST PERFORMANCE of servers with a decent SECURITY level. My motto is: "best system administrator work is when you don't need him in the future".  less

    linux-system-administration freebsd openbsd cisco-asa apache-administration nginx mysql security network-security virtualization vpn apache-tomcat awk bash cpanel exim firewalls iis iptables isa-server jquery ldap mail-server-implementation microsoft-exchange-server microsoft-hyper-v network-administration oracle-database performance-tuning perl pfsense plesk php postfix postgresql python redmine rhel ruby ruby-on-rails sendmail snort squid sql subversion ubuntu varnish-cache vmware-esx wowza-media-server xhtml zabbix 00 more less
    • $22.22 HOURLY RATE
    • 4.7
    • 0 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 10 TESTS
  • System administrator (Linux/Unix)

    OS: Linux: RHEL/Fedora/CentOS, Debian/Ubuntu FreeBSD 6.x, 7.x, 8x Software: Apache, nginx, Squid, dhcpd, Bind, Unbound, OpenLDAP, OpenVPN, mpd, pf, iptables, Postfix, Dovecot, Samba, pure-fptd, vsftpd, Subversion, Puppet, LVS (ldirecord), Heartbeat, Pacemaker/Corosync, Bacula, Zabbix, MySQL … more

    OS: Linux: RHEL/Fedora/CentOS, Debian/Ubuntu FreeBSD 6.x, 7.x, 8x Software: Apache, nginx, Squid, dhcpd, Bind, Unbound, OpenLDAP, OpenVPN, mpd, pf, iptables, Postfix, Dovecot, Samba, pure-fptd, vsftpd, Subversion, Puppet, LVS (ldirecord), Heartbeat, Pacemaker/Corosync, Bacula, Zabbix, MySQL, PostgreSQL, PgPool, KVM, OpenVZ, RabbitMQ Programming languages: Shell/Bash; Basic knowledge Perl, PHP, Ruby, SQL Package creation/maintanace: RPM, DEB  less

    linux-system-administration nginx apache-administration mysql puppet-administration rhel openvpn iptables postfix zabbix openvz kvm-virtualization bash-shell-scripting clustering virtualization 00 more less
    • $33.33 HOURLY RATE
    • 5.0
    • 2 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 1 TEST
  • Senior System Engineer

    System Administrator since rh4.2. I've been in system solution development and integration for last 10 years. Offering help without refund if the problem is easily fixable. System Services Extensive knowledge of Linux operating system and linux based services … more

    System Administrator since rh4.2. I've been in system solution development and integration for last 10 years. Offering help without refund if the problem is easily fixable. System Services Extensive knowledge of Linux operating system and linux based services and solutions: – High Availability, High Performance and Load balancing clustering solutions all based on networking L2/L3 or application levels. – Customer services: mail (SMTP/POP3/IMAP/Webmail), web (Apache, Nginx, lighthttp), DNS (bind, unbound, dnsmasq), FTP (proftp, wsftp), Radius (freeradius), LDAP (openldap), SQL (MySQL), .. etc. System administration of Linux and UNIX flavour based systems. Extensive knowledge of Storage Area Networking solutions based on FibreChannel and iSCSI infrastructure. Programming Programming languages and software management: – Significant competence in SQL, Perl and scripting languages – Ability to read, modify and debug source code written in C, C++ and PHP Networking Extensive knowledge of routing and switching: – Cisco routers series 800, 1700 1800 3700 etc. – Switching equipment: Catalyst 2900, 2950, 3550 – VPN: linux – based PPTP, L2TP, IPsec, OpenVPN solutions. – Linux: firewall (iptables), routing (ip/route) and bridging  less

    linux-system-administration network-administration computer-networking network-planning network-security cisco-routers distributed-computing load-balancing firewalls rhel centos sendmail lamp-administration postfix apache-administration nginx mysql memcached iptables bash perl awk openvpn c email-technical-support munin nagios 00 more less
    • $25.00 HOURLY RATE
    • 5.0
    • 0 HOURS
    • SERBIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 5 TESTS
  • Ruby On Rails developer

    Last 2 years I'm working with linux, nosqls and ror projects. I have enough experience to help to develop highload website based on linux servers. I'm a fast learn fast and always ready to work on interesting tasks … more

    Last 2 years I'm working with linux, nosqls and ror projects. I have enough experience to help to develop highload website based on linux servers. I'm a fast learn fast and always ready to work on interesting tasks. I am looking for any opportunity to help you create a website to optimize the speed of the server or create a native application. Also I am have some experience in linux kernel module development, nosql, data recovery.  less

    ruby linux-system-administration ruby-on-rails bash-shell-scripting nginx c centos rhel amazon-ec2 actionscript-3 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 0 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 1 TEST
    ASSOCIATED WITH:
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