System Administrator Mikrotik ubuntu VPN Zabbix Linux\UNIX vmware bash Proxmox ansible
Roman Zhelnov

Roman Zhelnov

Ukraine

System & Network Administration · Text Editing & Proofreading

0 0
218
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I am a Junior Frontend Developer with basic programming skills. I am responsible, adaptable and motivated to develop in the field of web programming. I am looking for a team where I can apply my knowledge and skills to solve problems.
Tomasz Wołkowycki

Tomasz Wołkowycki

Poland

System & Network Administration · Online Stores & E-commerce

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100
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Hi, I’m Thomas, a beginner freelancer specializing in building dynamic and responsive websites using HTML, PHP, and MySQL databases. My passion is delivering solutions that not only look great but also work efficiently and are optimized for performance. *What I offer:* 1. *Website Development in HTML and PHP* - I create customized websites tailored to clients' needs, ensuring a visually appealing and functional design. - My websites are responsive, meaning they work seamlessly on mobile devices, tablets, and desktop computers. 2. *Database Management with MySQL* - I have experience in…
Alfred Andrawes

Alfred Andrawes

Egypt

Data Processing · System & Network Administration

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34
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Logical data analyst with expertise in requirement analysis, software development, and database management. Proactive professional with years of experience collecting, cleaning, and interpreting data sets. Strong cross-functional understanding of information technology and business processes.
Megumi Neko

Megumi Neko

Malaysia

System & Network Administration · Industrial Design

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3
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I am currently working as an Admin Assistant (Planner) at A Star Glass, with more than one year of experience in handling administrative tasks and planning responsibilities. I have an academic background in Art & Design (Industrial Design), which has equipped me with strong creative thinking and problem-solving skills. I am proficient in software such as AutoCAD, 3ds Max, and office applications including Microsoft Excel and Microsoft Word. This combination of technical and administrative skills allows me to manage tasks efficiently and deliver well-organized results. I am detail-oriented,…
Vladyslav

Vladyslav

Ukraine

System & Network Administration · Software & Server Configuration

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222
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I specialize in Linux system administration and security with a focus on stability, access control, and minimizing the attack surface. I work primarily with Ubuntu Server and FreeBSD, providing full server setup, configuration optimization, and basic security hardening. Core areas of expertise: • VPS deployment and configuration • Firewall setup (UFW, iptables, pf) • NAT and traffic filtering rules • VPN deployment (WireGuard, OpenVPN) • SSH hardening (key-based authentication, access restrictions) • Basic Linux security audits • Service isolation (FreeBSD jail) • Open port and service…
Setting up a secure Ubuntu Server (SSH, UFW, IP restrictions)
45 USD
115
Setting up a secure Ubuntu Server (SSH, UFW, IP restrictions)
System & Network Administration
Basic security hardening of Ubuntu Server has been performed in a test environment. Implemented: • Full system update • Creation of a separate administrative user • Configuration of SSH access exclusively by keys • Disabling password authentication…
Oleksandr Meleshchuk

Oleksandr Meleshchuk

Ukraine

System & Network Administration · DevOps

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184
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- Development, design, maintenance of the computer networks, computer equipment, network services, improvement and analysis of existing network, server, and service infrastructure; - Users’ technical and software support; - Setting up and maintaining Microsoft based operation systems WinXX, Windows Server 20XX; - Setting up and maintaining Linux based operation systems Debian, Ubuntu, CentOS, and Unix-like FreeBSD; - Administration of the: MTA(Dovecot, Postfix, Exim4, MS Exchange Server), FTP, SQL(MS SQL, MySQL, PostgreSQL, MongoDB), LAMP(Apache, Nginx, PHP), HAProxy, DNS, DHCP, NPS, DFS,…