Freelancer Roman O. (linux & Unix, system & Network Administration) ≡ RomanOles

Freelancers

Information Portfolio 5 Reviews 15 Activity

Roman O.
Lvov, Ukraine
15 0
Available for hire

Projects 15
Rating -
Rating 781

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Last project: 1 year back
Collaboration with clients: 15
Last visit: 1 month 5 days ago

VPN ubuntu bash System Administrator vmware Mikrotik ansible Zabbix

30 USD

0 392

Writing the service for systemd

Linux & Unix

Writing systemd service for automatic scripts in Python.

Analysis of the network and detection of DDos attacks.

40 USD

0 488

Analysis of the network and detection of DDos attacks.

Linux & Unix

Analysis of the network and detection of a small DDos attack without additional services.

80 USD

0 399

Nginx configuration for the CDN project

Linux & Unix

NGINX configuration for the CDN project with channel load distribution and outgoing traffic of more than 300 TB per month.

30 USD

0 236

Optimization of MySQL

Linux & Unix

MySQL database optimization to increase the speed of the website.

Technical Engineer Linux

0 0

Technical Engineer Linux

Linux & Unix

He has worked in a European hosting company for more than 4 years.

Setting up a VPN server for the website

53 USD

What a cool specialist! He did everything quickly and professionally, and on top of that, he went beyond the agreed work, completing other tasks for us as well. He explained everything - competently and clearly. Just Wow!

Roman, thank you for your hard work and knowledge. We really appreciate it. We will definitely reach out again!

Project	Budget	Proposal	Deadline	Added
CPU is loading at 100%	Not specified	Not specified	7 days	20 Nov 2025
WHMCS setup and integration with Proxmox API	150 USD	300 USD	5 days	22 Oct 2025
Setting up a mail server (Postfix) with a web interface for multi-domain support	56 USD	67 USD	2 days	12 Oct 2025
After purchasing the script, it needs to be installed on a virtual server.	Not specified	90 USD	3 days	8 Oct 2025
Job Post – Server Setup (Hetzner) + WordPress Migration	100 USD	250 USD	3 days	5 Sep 2025
It is necessary to identify and resolve the issue of increased CPU usage on the server.	22 USD	22 USD	1 day	19 Aug 2025
Optimization of the website and server performance	Not specified	34 USD	1 day	19 Aug 2025
Set up and configure a server for web hosting	94 USD	90 USD	3 days	22 Jul 2025
Setting up GitHub + deployment + launching the website on VPS	Not specified	90 USD	2 days	8 May 2025
Good day	90 USD	90 USD	7 days	25 Apr 2025

Profile

Indicators

Specializations

Linux & Unix

System & Network Administration

Tags

Skills and abilities

Administration

Programming

Writing

Portfolio Works

Client reviews

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Перенос сайта на ModX на другой домен

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Налаштування сайту/хостингу

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Indicators

Total projects:

15

Average rating:

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Activity