Freelancer Oleg K. (linux & Unix, system & Network Administration) ≡ kosbic

Freelancers

Information Portfolio 3 Reviews 4 Activity

Oleg K.
Kyiv, Ukraine
4 0
Available for hire

Projects 4
Rating -
Rating 835

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Last project: 4 years back
Collaboration with clients: 1
Last visit: 2 months 8 days ago

VPN System Administrator ansible golang Amazon AWS MySQL/MsSQL/NoSQL Redis / MongoDB / MySQL DevOps engineer

Building and migrating infrastructure in AWS

2000 USD

1 155

Building and migrating infrastructure in AWS

DevOps

Project Description For a web project hosted on its own servers (on-premises), the task was to migrate the infrastructure to the cloud with the aim of automating processes, ensuring high availability (HA), and reducing infrastructure maintenance…

750 USD

0 160

Troubleshooting response time issues

DevOps

The client complained that their website had become slow. My task was to conduct a detailed analysis of the project's infrastructure and services, as well as to propose solutions for optimization or configuration changes to improve the website's…

Setup and implementation of the monitoring stack (Icinga, Prometheus)

1000 USD

1 183

Setup and implementation of the monitoring stack (Icinga, Prometheus)

DevOps

Task: For one of the projects, it was necessary to deploy a monitoring stack. The client required monitoring of services and a notification system based on Nagios. Additionally, Prometheus and Grafana were needed to track SLO/SLI and individual…

Поддержка веб-проекта Debian/Nginx/FPM/MySQL (интенрент-магазин)

Personal 459 USD

Качественно и быстро. Будем сотрудничать и в будущем.

5.0

Oleg K.

15 September 2021

Поддержка веб-проекта Debian/Nginx/FPM/MySQL - (300к в день)

Personal 510 USD

Всё отлично, как всегда. Работы выполнены профессионально, будем в будущем сотрудничать.

5.0

Oleg K.

8 September 2021

Web support for Debian/Nginx/FPM/MySQL - (50-200k visitors per day)

449 USD

Everything has been done well and we will continue to work with you.

4.7

Oleg K.

14 March 2017

Toughened Laminated Safety Glass and Nginx+uwsgi and gitlab

56 USD

We planned for two days, the work was done in a couple of hours. Everything according to requirements

4.8

Oleg K.

22 February 2017

Total projects:

4

Successful projects 100% 0 arbitrations

Average rating:

-

4 reviews

5.0

Professionalism

5.0

Quality

4.5

Price

5.0

Contactability

4.9

Deadlines

Latest proposals 10

Project	Budget	Proposal	Deadline	Added
System Administrator / DevOps (hosting, Linux, high-load)	22 USD	449 USD	10 days	5 Jan
Working with the server	Not specified	22 USD	1 day	18 Dec 2025
VPS server setup	22 USD	22 USD	2 days	16 Dec 2025
Need a devops quickly	Not specified	22 USD	1 day	7 Dec 2025
Установка ПО, настройка чистого сервера под сервер раздачи и настройка failover, через CloudFlare	193 USD	337 USD	7 days	4 Dec 2025
Restoration of MySQL replication + integration with Power BI	337 USD	337 USD	2 days	4 Dec 2025
Поддержка веб-проекта Debian/Nginx/FPM/MySQL (интенрент-магазин)	459 USD	459 USD	7 days	8 Sep 2021
Поддержка веб-проекта Debian/Nginx/FPM/MySQL - (300к в день)	510 USD	510 USD	7 days	7 Sep 2021
Web support for Debian/Nginx/FPM/MySQL - (50-200k visitors per day)	449 USD	449 USD	7 days	7 Mar 2017
Cleaning the site from scripts	7 USD	22 USD	1 day	23 Feb 2017

Системный администратор / DevOps (хостинг, Linux, high-load)

Status Project expired

Type Public project

Budget 22 USD

Proposal 449 USD

Deadline 10 days

Added 5 January

Работа с сервером

Status Project expired

Type Public project

Budget Not specified

Proposal 22 USD

Deadline 1 day

Added 18 December 2025

Настройка сервера VPS

Status Closed without completion

Type Public project

Budget 22 USD

Proposal 22 USD

Deadline 2 days

Added 16 December 2025

Потрібен devops швидко

Status Project expired

Type Public project

Budget Not specified

Proposal 22 USD

Deadline 1 day

Added 7 December 2025

Установка ПО, настройка чистого сервера под сервер раздачи и настройка failover, через CloudFlare

Status Closed without completion

Type Public project

Budget 193 USD

Proposal 337 USD

Deadline 7 days

Added 4 December 2025

Відновлення MySQL реплікації + інтеграція з Power BI

Status Project expired

Type Public project

Budget 337 USD

Proposal 337 USD

Deadline 2 days

Added 4 December 2025

Поддержка веб-проекта Debian/Nginx/FPM/MySQL (интенрент-магазин)

Status Project complete

Type Personal project

Budget 459 USD

Proposal 459 USD

Deadline 7 days

Added 8 September 2021

Поддержка веб-проекта Debian/Nginx/FPM/MySQL - (300к в день)

Status Project complete

Type Personal project

Budget 510 USD

Proposal 510 USD

Deadline 7 days

Added 7 September 2021

Поддержка веб-проекта Debian/Nginx/FPM/MySQL - (50-200к посетителей в день)

Status Project complete

Type Public project

Budget 449 USD

Proposal 449 USD

Deadline 7 days

Added 7 March 2017

Почистить сайт от строних скриптов

Status Project complete

Type Public project

Budget 7 USD

Proposal 22 USD

Deadline 1 day

Added 23 February 2017

Oleg K.
Kyiv, Ukraine
4 0
Available for hire

Projects 4
Rating -
Rating 835

Want to offer Oleg K. a job?

If you have an account, log in

Last project: 4 years back
Collaboration with clients: 1
Last visit: 2 months 8 days ago

Українська: Fluent
Русский: Fluent
English: Upper-Intermediate

Profile

Indicators

Specializations

Linux & Unix

System & Network Administration

Tags

Skills and abilities

Administration

Programming

Services

Portfolio Works

Client reviews

Поддержка веб-проекта Debian/Nginx/FPM/MySQL (интенрент-магазин)

5.0

Oleg K.

Поддержка веб-проекта Debian/Nginx/FPM/MySQL - (300к в день)

5.0

Oleg K.

Web support for Debian/Nginx/FPM/MySQL - (50-200k visitors per day)

4.7

Oleg K.

Toughened Laminated Safety Glass and Nginx+uwsgi and gitlab

4.8

Oleg K.

Indicators

Total projects:

4

Average rating:

-

5.0

5.0

4.5

5.0

4.9

Activity