Kwork Overview

Location: Remote

Role: Linux Support Engineer / System Administrator

( Below is the text in Russian. . pdf)

Skills

Linux Administration (Ubuntu, Debian, CentOS, Rocky/AlmaLinux)

LAMP Stack (Linux, Apache, MySQL/MariaDB, PHP)

Shell Scripting (Bash)

Zabbix Monitoring

Server Hardening & Security

Firewall Management (ufw, firewalld, iptables)

Web Server Configuration

MySQL Optimization & Backups

Cron Jobs & Automation

System Logs Analysis

Troubleshooting L1/L2/L3

DNS, DHCP, FTP, SSH management

Virtualization (KVM, Proxmox, VirtualBox)

Cloud Basics (AWS / DigitalOcean / Hetzner)

Linux Support Engineer – Remote

Responsibilities:

Provide L1/L2/L3 Linux technical support

Install, configure, and maintain LAMP stack servers

Fix Apache & Nginx errors, SSL installation, redirects, vhosts

MySQL database fixes, slow-query optimization, migrations

Manage system users, permissions, logs, SSH keys

Implement backup strategies (rsync, cron scripts, DB dumps)

Troubleshoot website downtime, server overload, performance issues

Secure servers: firewall, fail2ban, updates, audits

Deploy apps using Git, Docker (optional)

Write Python scripts for automation tasks

Files

Linux Administration, Support Doc.odt

To get started, the seller needs:

To start working on your Linux support or system administration task, please provide the following details:

Describe your issue or request

Explain exactly what you need help with (installation, troubleshooting, server setup, optimization, security hardening, etc.).

Access details (if needed)

Server environment

VPS, dedicated server, local PC, virtual machine, cloud ( Azure), etc.

Software / services involved

Example: Apache, Nginx, MySQL/MariaDB, Docker, Samba, SSH, firewall, etc.