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Iulian D. - Senior Network/System Engineer

Iulian D.

Senior Network/System Engineer

$15/hr
125 hours
Romania
100% JOB SUCCESS
“This guy is truly amazing. I was hesitant to hire him because of the low rate, but he is a true professional. He set up 20 servers for us, secured them, and installed software...”
  • Network Monitoring
Roman B. - Experienced Web server and Unix system administrator

Roman B.

Experienced Web server and Unix system administrator

$20/hr
825 hours
Russia
100% JOB SUCCESS
“I hired Roman to update some applications he built for us previously. Again, Roman did excellent work, communicated frequently, and delivered in a timely manner. I look forward...”
  • Nginx
  • Performance Tuning
Alexander P. - Linux/VoIP/Asterisk/LAMP/network/system admin and Perl/bash developer

Alexander P.

Linux/VoIP/Asterisk/LAMP/network/system admin and Perl/bash developer

$19.9/hr
173 hours
Russia
100% JOB SUCCESS
“Alexander its an expert in his area. Highly recommended.”
  • TCP/IP
  • Perl
  • Exim
  • Asterisk
Al M. - System Administrator, Windows(MCSE) & Linux Server

Al M.

System Administrator, Windows(MCSE) & Linux Server

$15/hr
928 hours
Bangladesh
100% JOB SUCCESS
“Get the job done quickly always prompt to any questions Great work.”
  • Windows Administration
Jon G. - Gis Developer

Jon G.

Gis Developer

$39/hr
183 hours
Spain
100% JOB SUCCESS
“Jon is very smart person, an expert in maps, he gave us options about his work, and the final work was just exactly what wee needed, highly recommended.”
  • ArcGIS
  • OpenLayers
  • Python
Olegs M. - Windows/Linux Server Expert and DBA

Olegs M.

Windows/Linux Server Expert and DBA

$37.78/hr
839 hours
Latvia
100% JOB SUCCESS
“Olegs does great work. He is always prompt with completing tasks and willing to ask questions if the requirement isn't clear. I enjoy working with Olegs and will continue to...”
  • Database Administration
Volodymyr P. - System and network administrator

Volodymyr P.

System and network administrator

$44.44/hr
950 hours
Ukraine
100% JOB SUCCESS
“Excellent technical work; good communication. I am a satisfied customer.”
  • Windows Administration
  • PHP
Alex K. - Expert C++ Developer

Alex K.

Expert C++ Developer

$25/hr
1,474 hours
Ukraine
100% JOB SUCCESS
  • C++
  • Microsoft Visual C++
MUHAMMED R. - Linux Server Administrator

MUHAMMED R.

Linux Server Administrator

$16.67/hr
592 hours
India
100% JOB SUCCESS
“very helpful and knowledgeable”
  • Amazon EC2
  • Amazon S3
  • CPanel
Serge T. - RubyOnRails Full-stack web developer

Serge T.

RubyOnRails Full-stack web developer

$35/hr
67 hours
Ukraine
100% JOB SUCCESS
“Excellent quality work. Knows testing and rails extremely well.”
  • Ruby on Rails
  • jQuery
  • Spree
Ilija L. - Linux System Administrator/Python Developer

Ilija L.

Linux System Administrator/Python Developer

$17.78/hr
289 hours
Serbia
100% JOB SUCCESS
“Wow, i could not have expected him to perform any better. best DevOps i've worked with in a while.”
  • Bash shell scripting
  • PHP

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At a Glance: Linux System Administration

Initially released in 1991 by Linus Torvalds while he was attending the University of Helsinki, Linux has grown into a widely popular open-source operating system. Whether you’re looking to launch a new web server, build a mobile app from the ground up, or maintain your mainframe computer, a Linux system administrator can help get your open-source project off the ground.
A Linux system administrator can help you install, configure, and run the Linux operating system on your servers and computer networks. They can perform routine server maintenance tasks, such as installing regular updates, debugging system errors, running security scans, and creating backups. Linux is the “L” in the popular LAMP stack—a server-side solution that also consists of an Apache server, MySQL, and the PHP programming language. Whether your servers are running on the Red Hat Enterprise Linux or SUSE Linux Enterprise Server distributions, or your computers are powered by Debian or Ubuntu, Linux system administrators on Upwork can install, run, and maintain your open-source servers and networks.

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