Freelancer Oleh Kovalievskyi (devOps, linux & Unix) ≡ hmkl

Freelancers

Information Portfolio 5 Reviews 26 Activity

Oleh Kovalievskyi
Kharkiv, Ukraine
24 2
Available for hire

Projects 25
Rating -
Rating 1 383

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Last project: 2 years back
Bids in the last two weeks: 3
Collaboration with clients: 25

Administration

DevOps 11 USD for hour
Linux & Unix 6 USD for hour
Software & Server Configuration
System & Network Administration 6 USD for hour
Windows 6 USD for hour

Programming

67 USD

0 275

Mail server configuration

DevOps

Configuration of #postfix, #dovecot and #roundcube if necessary. Configuration of #spf, #dkim and #dmarc.

0 403

Basic configuration of Squid proxy server.

Linux & Unix

In this article, I will consider the basic configuration of the HTTP proxy server SQUID, the article is based on my experience of configuration.

0 314

Microtic Certification (MTCNA)

System & Network Administration

#Mikrotik #RouteOS

0 0

OpenVPN server

Linux & Unix

1 . Installation of the OS #Linux (#Ubuntu 16.04 LTS) 2nd Installed #OpenVPN Three Configuration of the server, #TUN (#L3) interface • tun0 - for servers • tun1 - for #Mikrotik (Office) • tun2 - for remote users 4 . Settings for #iptables…

0 0

Proxmox, Virtualization

Linux & Unix

The preparation: 1 . Rental of a server (#hetzner) 2nd Additional IP Address Three Buy the license #CHR ( #RouterOS from #Mikrotik ) The work: 1 . Installation of the #Proxmox distribution 2nd Implementation of #Proxmox 3 Set up #iptables…

Setting up Apache hosts on the server

Personal 16 USD

Very satisfied with the work with Oleg. Everything is done qualitatively, competently and punctually. Helped a lot in resolving all issues. Recommend!

Project	Budget	Proposal	Deadline	Added
Rescue + backup for Hetzner dedicated server	Not specified	67 USD	2 days	9 Jul
Deploy a Node.js Telegram bot on a VPS using Docker.	Not specified	265 USD	3 days	8 Jul
Remote server administration	Not specified	225 USD	5 days	8 Jul
Set up routing between ipv4 and ipv6	Not specified	110 USD	2 days	30 Nov 2025
Setting up a mail server (Postfix) with a web interface for multi-domain support	79 USD	79 USD	2 days	26 Aug 2025
Setup of infrastructure and automatic deployment	Not specified	Not specified	7 days	9 Jul 2025
Devops engineer	67 USD	67 USD	7 days	12 Mar 2025
Set up a droplet on Ubuntu to change the outgoing IP every half hour.	Not specified	45 USD	2 days	9 Oct 2024
Integration of Asterisk with KeyCRM	45 USD	45 USD	7 days	23 Sep 2024
Set up Mikrotik RB2011UiAS	11 USD	56 USD	1 day	19 Sep 2024

Profile

Indicators

Specializations

DevOps

Linux & Unix

Tags

Skills and abilities

Administration

Programming

Portfolio Works

Client reviews

Setting up Apache hosts on the server

5.0

Oleh Kovalievskyi

Set up L2tp routing on Keenetic with Microtic

5.0

Oleh Kovalievskyi

Setting up Laravel server

5.0

Oleh Kovalievskyi

Assistance in network administration

5.0

Oleh Kovalievskyi

Set up VPN server on proxmox

5.0

Oleh Kovalievskyi

Setting up a network between VPS and a local network via VPN

5.0

Oleh Kovalievskyi

Set up server for website

5.0

Oleh Kovalievskyi

It is necessary to configure the Mikrotik router

5.0

Oleh Kovalievskyi

Displaying the website by IP address

5.0

Oleh Kovalievskyi

Automate the setup of VPS/VDS to install a domain and email.

5.0

Oleh Kovalievskyi

5.0

Oleh Kovalievskyi

5.0

Oleh Kovalievskyi

5.0

Oleh Kovalievskyi

5.0

Oleh Kovalievskyi

5.0

Oleh Kovalievskyi

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Oleh Kovalievskyi

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Oleh Kovalievskyi

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Oleh Kovalievskyi

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Oleh Kovalievskyi

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Oleh Kovalievskyi

Indicators

Total projects:

25

Average rating:

-

5.0

4.8

5.0

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Activity