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Post your Linux system administration project on Upwork and find Linux experts and system administrators to assist you with your Linux server installation, configuration, maintenance and technical support tasks. These experienced consultants can manage your Linux network and infrastructure security or perform backups and security scans or updates and identify threats on your Linux OS system. They can also deploy web applications, eCommerce systems and content management systems on your Linux server, or migrate your virtual machine to a physical Linux server. You can also find a professional Linux sysadmin, experienced in system monitoring and control tools, to manage and optimize your Linux-based server farm.

Linux is a collection of free and open-source, cross-platform, Unix-like operating system distributions, among which the most widely known are Ubuntu, Red Hat and Slackware. On Upwork, the world’s largest online workplace, you can find experienced Linux system administrators to set up dedicated Linux web servers, install web hosting control panels (like ZPanel, Plesk, cPanel or DirectAdmin), set up SQL databases and file managers or configure Linux server security and accounts.

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Linux System Administration Job Cost Overview

Typical total cost of Upwork Linux System Administration projects based on completed and fixed-price jobs.

Upwork Linux System Administration Jobs Completed Quarterly

On average, 592 Linux System Administration projects are completed every quarter on Upwork.

592

Time to Complete Upwork Linux System Administration Jobs

Time needed to complete a Linux System Administration project on Upwork.

Average Linux System Administration Freelancer Feedback Score

Linux System Administration Upwork freelancers typically receive a client rating of 4.79.

4.79
Last updated: September 1, 2015
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  1. Gaurav Kushwaha

    Gaurav Kushwaha Agency Contractor

    Expert System Administrator, Expert Programmer ( Java and scripting )

    India - Tests: 10

    Over the last 5 yrs I am working in areas like J2EE, Linux and Windows system administration which includes WebServers ( Apache, IIS ), Mail Servers ( Postfix , Exchange ),LDAP, AD, DNS, MySQL, CMS ( Joomla, Drupal, WP, Magento), Asterisk, Nagios, SMS Gateway etc. I have done virtualization using HyperV, VmWare and VirtualBox. Also, I have also setup security for systems using vlans, IpTables, port blocking etc. In addition to above mentioned server systems, I have done migrations of websites from Linux to Windows and vice versa,and migrations of mail servers from postfix to exchange and exchange to office365 and vice versa. I have setup also backups ( both enterprise grade and with small scripts ). Till now I have worked on Labtech and Nagios to monitor and also to provide proactive maintenance to systems. I know programming as well, so I try not to do repetitive work and hence create scripts, which results in less errors and better productivity. I have knowledge of Java, Java script, Shell Scripting, php and SQL.

    Groups: Microsoft Certified Professionals

    Associated with: AKBSoftTech

    $8.33 /hr
    460 hours
    4.97
  2. Niels S.

    Niels S.

    Student, Hobby programmer and part-time systems administrator

    Denmark - Tests: 4

    Hi, my name is Niels. I am 31 years old, and love everything computers and science! My main language is Danish, but my English is very good. I am a student in Computer-Science so i can be a "real" programmer, and I have been working part time as a systems administrator at a local school. I know a little about a lot, I love to dabble in new things and technologies. I am a quick learner. My future is in programming: I have been teaching myself C# at home in my spare time, and have been making a few useful application for the school where I worked. How am I as a person: I am a kind, gentle person, always with a smile and always sees the good in all people and things. I am a very calm, dedicated and honest. Interest areas are: - Computers (from physical to software) - Programming (C# - winforms, just started learning C# WPF) - Servers (linux/windows I have a couple for personal use) - Virtualization (I use proxmox on all my servers, and love virtualization) - Websites (I have built and maintain a few websites, mostly with wordpress)

    $15.00 /hr
    121 hours
    5.00
  3. Andrei Volkov

    Andrei Volkov Agency Contractor

    Linux specialist (Sec/Opt/Dev, C/Perl/Python/PHP/BASH)

    Belarus - Tests: 5 - Portfolio: 13

    Important: ------------------- Enhanced shield of your Web application with mod_security! Should be always. It is task #1 after installation ANY web application! ------------------- About Me and more: ------------------- I have over 16 years of work experience with Linux systems. This is the list of software and technologies with which I deal. This list is not full and expands day by day. I always can find right decisions if I found some problems. And I am always interested in looking for mostly economical and productive solutions. Of course, Cpanel, WHM, Webmin, Plesk .... I know how are working these web-wrappers and I support their. I can will tune and to make the checking of these wrappers. But that more important !! I can work without this))) Directly use configuration files of services and etc etc. Usually, it is better way on dedicated servers. ) TCP, IPv4 , IPv6, IPX ... - WiFi, WEP, WPA, WPA2 ... - SElinux, Apparmor, Smack, Tomoyo ... - LAMP ( Apache, Nginx, PHP, Perl, Mysql, Mongo), REDMINE ... - Cpanel, Zpanel, ISP ... - MySQL clustering and replication DNS servers ... - SENDMAIL, EXIM, POSTFIX (POSTFIXADMIN,MYSQL,DOVECOT,POLICYD) ... - HPC system: Torque, Maui, Moab for HPC clusters, Infiniband, FC interconnect, iSCSI, SCST, DRBD, OFED, OPENMPI ... - OpenLDAP ... - VPN with OpenVPN, PPTP, StrongVPN ... - Nagios, Zabbix, Ganglia, OSSEC ... - SVN, CVS, GIT ... - KVM, Xen, OpenStack, Proxmox ... - NBD, RAID, LVM ... etc etc During these years I have been in a large number of tasks related to administration of network devices, as well as with simple and complex server systems. I manage servers for the HPC tasks and for network infrastructure of Internet and Intranet - DNS,DHCP,*FTP,HTTP(S),MAIL etc etc. The main goals - the monitoring of the performance and the security. I also implement tasks of data backup and troubleshooting, support for the users. I have comprehensive work skills with systems based on Debian, Redhat, CentOS, SLES, OpenSuse. I've got more than 8 years of experience in developing the different software with use of C, Perl, Python, Bash, HTML on system and user levels. For example, very important skill in developing and the modification of RPM packages (rpmbuild, rebuild, kernels), custom kernels and etc etc. ------------------- Often: ------------------- How the standart service for VPS's and VDS's projects and dedicated servers: IDS, IPS, the control of contents of log's files, the control of load of the cpu, the memory, the hard disks; the backups of the databases and the files; install or update software, consultations. Emergency call via sms to cell phone. ------------------- STOP Windows and U/K/buntu etc. TIPS WITHOUT PAYMENT: ------------------- 1. VERY OFFTEN: IF YOURS WP WAS HACKED 1. disable plugins 2. execute # diff -r dir1 dir2 3. repeat for plugins if you have last version of WP code: ~ 80% cases - problems: plugin low quality (look on author: from where and who is) ~ 15% cases - problems: theme low quality (look on author: from where and who is) ~ 5% 0day of WP also you need disable all shell function in php and enable suphp/suexec modes. STOP Windows and U/K/buntu etc. TIPS WITHOUT PAYMENT: ------------------- 1. I am getting a lot questions about reliability and quality distributives/clones Ubuntu. Results on practice - Ubuntu clones - worst for server. It is truth. If you $buntu guy, I can't help you right now. I only can recommend Debian way for server. =============== 3. Nginx of course is good program. For small/middle vps. But in serious projects - apache. Nginx will be suitable for frontend. It is only practice. Always for all web application should be mod_security module. Firewall of level of web application on 7 level of OSI. Each web application/site should be under own user in environment of vps or on dedicated servers. =============== 4. By topic Wordpress. For optimisation services of OS , namely system IO(type of disks or partitions) and DB(type of engines of tables), need to use empty installation (default variants). Most problems of work WP contains in itself - customized plugins or themes. For analyze pages need begin with such services as http://gtmetrix.com. =============== Sunday - day of rest. Or in emergency case - payment with double rate. best regards, Andrei odesk.by / upwork.link PS: With love from USSR. ;-)

    Associated with: UPWORK.LINK

    $16.00 /hr
    1,016 hours
    4.98
  4. Randy Snow

    Randy Snow

    DEPENDABLE Project Manager - LAMP Admin - Network Admin

    United States - Tests: 8

    With well over 17 years in the Information Technology field, I have developed strong skills as a problem solver. I have worked extensively as a manager and project leader. I have been involved with upper level management with key roles in the direction and implementation of corporate IT structure. I am skilled at hardware and software troubleshooting, implementation, and function. I am specifically looking for jobs where I set my own work schedule. I prefer to discuss and agree on a fixed budget ahead of each project. I work best when presented with clear concise goals and a solid due date.

    $22.22 /hr
    29 hours
    5.00
  5. Gilberto Sirit

    Gilberto Sirit

    Audio Engineer

    Venezuela - Tests: 6 - Portfolio: 1

    I'm a 10 years-experienced Network/IT technician, holding a Cisco CCNA Certification. I've been deploying Cisco Router and Switch configurations from scratch, hardening and configuring wide-used solutions like centralized account systems, remote secure communications and creating and implementing security policies for various companies. As a freelance job, I'm a Avid Pro Tools Certified Operator, which allows me to work a lot on audio and video projects doing musical recordings for TV and Radio commercials, Sound FX audio post-production, editing and mixing using Pro Tools system. I have superb bi-lingual communication skills both oral and writing, English and Spanish. I'm looking to offer my high-quality services in any task required by my employer. My goal is to put 110% effort on the job at hand, that way I feed my experience out of it and makes my employer satisfied with my work.

    $13.33 /hr
    0 hours
    5.00
  6. Alexis Cimpu

    Alexis Cimpu

    System Integration Advisor

    Romania - Tests: 4

    I have worked for different companies where I gained my experience on different platforms now have a specific set of skills. Also, thanks to my pursued university, Polytechnics Bucharest, I have a good base in C/C++ and other programming languages.

    $11.11 /hr
    106 hours
    4.91
  7. Dion Magistro

    Dion Magistro

    IT Professional, PC/Mac Client/Server Support, Web Developer, Retail

    United States - Tests: 3 - Portfolio: 1

    I enjoy a challenge, of fresh and cutting-edge variety. I personally enjoy working in a very motivated team. If the team is not motivated enough, my hard-working, fun, and enlightening spirit brings them up to speed. I enjoy working with technology and embrace its importance in the world. I enjoy trying new things and keeping up to date with the latest advancements in technology. I'm always looking for fun, new, exciting ways to make substantial profit for not only myself, but also for my employer. Skills in a nutshell. ^_^ Graphic Design Print and Electronic Network Administration Web Design Sales Personal Computer Support Strong Written and Verbal Communication Skills Microsoft Word Photoshop Dreamweaver Apple Product Professional Macintosh and Apple Hardware Mac OS Unix/Linux HTML, PHP, /MySQL, JavaScript - A JAX (jQuery), CSS Adobe Creative Cloud and Edge Software Suite Facebook Pages Administration and Twitter Account Management/ Content Creation Printed, Static/Animation Web based Promotional Materials and Marketing elements Brochures Menus Slideshows Flyers Weekly Sale Circulars and Coupons Banners and In-Store Signage Retail Product Information “FAQ Plaques” detailing specs and features Business Cards Advertising Wordpress Installation Setup, Management, and Skinning/Theming Capabilities Logo Conceptualization, Sketching and MockUps, Drafting, and Design (Vector, Raster, B&W/Color [all are available as .eps/.pdf/.ai/.psd compliant formats + all procedures are archived with standard versioning methods so employers/clients can utilize elapsed time- period based reviewal]) MySQL database configuration, administration, backup/restoration, integration/connecting, and maintenance/optimization HTML5, CSS3, JavaScript, XML, A JAX/DOM, Node.js, PHP, and Metadata Tagging (SEO) coding experience RSS Feed Syndication and Page Integration Open/Active Directory Management including third-party LDAP servers  Microsoft Office Installation/Setup plus Exchange Server Management/ Configuration Mainframe Maintenance and Tape/Removable Media Company Network-Wide Weekly/Monthly BackUp Procedures/Protocols OTA (Over-the-Air) Mobile Device Configuration Policy and Profile Delivery Certificate Creation and Signing SSL (Secure Socket Layer) Encrypted Authentication for Mass or Specific Deployment (iPhone, iPad, BlackBerry, Android) Operating System Updates/Upgrades/Roll-Outs for Windows XP/Vista/7/8 and MacOS 9.2.2/X10.X On-Site/Remote Desktop Support Apple Remote Desktop Setup and Operations Dameware Remote Administration for Windows-based Systems Retail Store POS System remote debugging and repair/swaps Hardware repairs and upgrades, new part installations Storage Solid-State Internal SATA, SCSI, and IDE Mechanical Hard Drive Disks Internal/External SD Card Readers External USB/Firewire/Thunderbolt/eSATA Drives HotSwap Server Drives IBM Blades 3D Accelerated Graphics and Multi-format External Capture Video Cards AMD NVIDIA Monitor/Displays and VESA-compliant flat-screen wall mounting HDMI/DVI HD Flat Screens RGB/VGA CRTs Projectors and Wall-mounted Rollup/Free Standing Screens PCI/PCIe and USB/Firewire Sound Cards Creative SoundBlaster, M-Audio, Apogee, Griffin, MOTU PCI/PCIe Wired/Wireless/Airport Network Interface Cards (NICs) and external dongles (2.4/5GHz 802.11a/b/g/n/ac) CD/DVD/BluRay Optical SATA Drives RAM DIMMS (All Types) CPUs and Motherboards (All Types) Airflow and Cooling Solutions/Optimization Proprietary Graphic/Video/Audio Devices Wacom Tablets/Integrated Screens Professional Trackball and Trackpads Presentation Remote and Laser Pointers Wireless Presentation Microphones and Lavalieres Custom Key/Keyboard Swaps for Specific Software Solutions/Key Shortcuts (Logic, Final Cut, Avid, ProTools etc) Wired/Wireless Shuttle/Jog Wheels for use in professional production software Wireless/Bluetooth Headsets and Communication Devices Professional Desktop/VO Booth Microphones including boom and cage installation Integrated Sound/Mixer/Jog Wheel DJ/Producer Boards/ Controllers (Native Instruments, KORG, Hercules, Creative Labs, Casio, Yamaha, Mackie, MOTU, M-Audio) MIDI Keyboards and Controllers (KORG, M-Audio, Casio, Yamaha) Interoffice Communication Devices and Base Stations (Walkie Talkies, In-Ear, Desktop) WiFi Routers, Switches, and Range Extenders (Airport, CISCO, Netgear, D-Link) Automated Telephony Greeting/Menu/Directory Systems (Asterisk) Network Attached Storage (NAS) Mini Form-Factor HDMI Media Streaming and Gameplay Devices (Roku, OUYA, AppleTV, ChromeCast, Boxee, Plex, XMBC, Amazon Fire TV)

    $30.00 /hr
    0 hours
    0.00
  8. Roman Yakovchenko

    Roman Yakovchenko

    remote Administration (Unix-Win OS) and Desk Help 24/7 Web-Html,Css,Js

    Ukraine

    I work in the IT sector in many areas - including: 1) Remote configuration, administration, and support vcih operating systems (Unix, Linux, FreeBSD, Winows). 2) provide remote assistance to users in dealing with various problems (systmeni errors, viruses) 3) programming websites in html + css + js + bootstrap + seo Bashat and more ... Everything else is in my resume as I can send if needed. I work quickly, and most importantly not expensive. Almost always present on this page and is ready to work

    $6.00 /hr
    0 hours
    0.00