System Administrator Mikrotik ubuntu Zabbix Linux\UNIX VPN vmware bash Proxmox DevOps engineer
Yevhenii Sirov

Yevhenii Sirov

Ukraine

Windows · Software & Server Configuration

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232
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Integration of Asterisk with Active Directory
134 USD
894
Integration of Asterisk with Active Directory
Software & Server Configuration
Asterisk with Active directory integration with self-set for 1000 users
Vladyslav V.

Vladyslav V.

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…
Daniil P.

Daniil P.

Ukraine

DevOps · Software & Server Configuration

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219
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I’m a DevOps / Infrastructure Engineer with experience since 2005. I help businesses build stable, scalable, and cost-efficient infrastructure for web products and high-load systems — in the cloud (AWS, GCP, DigitalOcean), on dedicated servers, or in a hybrid setup.My focus is not just “setting up a server”, but ensuring your system:handles traffic growth and peak load,survives failures with minimal downtime (HA / fault tolerance),recovers fast (backups / disaster recovery),stays secure and observable,keeps cloud spend under control (cost optimization).What I do most often:High-load…
Oleksandr Berezhnyi

Oleksandr Berezhnyi

Ukraine

Software & Server Configuration · System & Network Administration

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216
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Proxmox Server Setup with Storage and VM Templates
224
Proxmox Server Setup with Storage and VM Templates
Software & Server Configuration
Deployed and configured a Proxmox VE server for corporate virtualization. Set up storage for virtual machines and backups, prepared VM templates for rapid deployment, and configured automated backup and resource management. Ensured stable operation…