Linux sysadmin services for servers, hosting and business infrastructure

Professional Linux system administration without hiring a full-time sysadmin. We handle server maintenance, troubleshooting, updates, security hardening and infrastructure support — on demand, when you need it.

Whether you run a single VPS or a fleet of dedicated servers, we administer and maintain your Linux infrastructure so you can focus on your business.

Distributions and environments we support

We work with all major RHEL-based and Debian-based distributions in production environments — physical servers, VPS, cloud instances and containers.

What we cover

System fundamentals

• systemd service management, boot targets, unit files
• SSH access, key management, hardening
• User and group management, permissions, sudo policies
• Package management and system updates (apt, dnf, yum)
• Kernel updates, module management
• Firewall configuration (iptables, nftables, firewalld, UFW, CSF)
• Disk and filesystem management, LVM, mount points
• Log management, journald, logrotate, centralized logging
• Cron jobs and scheduled tasks

Web and application stack

• Apache, Nginx, LiteSpeed — configuration, virtual hosts, performance tuning
• PHP and PHP-FPM — version management, pools, optimization
• MySQL, MariaDB, PostgreSQL — administration, tuning, replication basics
• SSL/TLS certificates — installation, renewal, Let’s Encrypt automation
• Reverse proxy configuration, load balancing basics

Mail services

• Postfix, Exim — configuration, relay, queue management
• Dovecot — IMAP/POP3 setup, mailbox administration
• SPF, DKIM, DMARC — DNS records and authentication
• Mail queue troubleshooting, delivery problems, blacklist resolution

Containers and automation

• Docker — container management, compose files, networking, volumes
• Basic container orchestration and deployment workflows
• Shell scripting and automation for repetitive administration tasks

Backup and monitoring

• Backup configuration — local, remote, incremental strategies
• Monitoring setup — resource usage, service health, alerting
• Disaster recovery planning and restore testing

Common tasks we handle

• Server updates and patch management
• Troubleshooting unresponsive or slow servers
• High load and CPU/memory investigation
• Disk full — cleanup, expansion, log rotation fixes
• SSL certificate installation and renewal problems
• Firewall rules — opening ports, restricting access, debugging blocks
• SSH access problems — lockouts, key issues, brute force protection
• Web server configuration — new sites, redirects, performance issues
• Database problems — slow queries, crashed tables, connection limits
• Mail queue stuck, delivery failures, bounce investigation
• Backup configuration and verification
• Security hardening — SSH, firewall, services, permissions

How it works

1. Describe your issue or task via our contact form
2. We assess scope and provide a time/cost estimate
3. Work is performed with your approval — documented, tested, verified
4. You receive a summary of changes made

Scope and limits

We handle day-to-day Linux administration and troubleshooting. For dedicated security auditing and compliance review, see our sister site YourServerAudit.com.

Get started

Ready to get your Linux servers properly administered?

Request Linux sysadmin help →

See pricing for service tiers and response times.

Related services

• Security hardening — proactive server hardening
• Email and DNS services — mail infrastructure support
• Backup and recovery — backup strategy and restore
• Monitoring — server and service monitoring setup