Sysadmin services for hosting platforms, cPanel/WHM and WHMCS environments

Expert system administration for hosting providers and businesses running cPanel/WHM, WHMCS and related hosting infrastructure. We handle the server-side work so you can focus on running your hosting business.

Platforms and technologies

What we cover

cPanel/WHM administration

• WHM server configuration and optimization
• EasyApache profiles and PHP version management
• Account creation, suspension, termination, limits
• Backup configuration — local, remote, incremental, transport
• Account migrations — cPanel-to-cPanel, cross-platform
• cPanel/WHM updates and upgrade troubleshooting
• Tweak Settings, server contacts, notification configuration
• SSL management — AutoSSL, manual installs, wildcard certificates

Web server stack

• LiteSpeed — configuration, cache, .htaccess compatibility, licensing
• Apache — MPM tuning, mod_security, virtual hosts, resource limits
• Nginx — reverse proxy, caching, direct serving configurations
• PHP/PHP-FPM — version management, handler selection, pool tuning, extensions
• MySQL/MariaDB — tuning, user management, repair, optimization

Mail services

• Exim — configuration, routing, filters, queue management, rate limiting
• Dovecot — IMAP/POP3, mailbox quotas, authentication
• SPF, DKIM, DMARC — proper DNS configuration
• Mail reputation — blacklist removal, IP warming, PTR records
• Spam filtering — SpamAssassin tuning, greylisting, RBL configuration

Security

• ModSecurity — rule management, false positive resolution, OWASP CRS
• Imunify360 — configuration, malware scanning, proactive defense
• CSF (ConfigServer Firewall) — rules, LFD, country blocking, port management
• Malware cleanup — compromised accounts, backdoors, injected code
• Account isolation and resource abuse prevention (CloudLinux CageFS, LVE)

WHMCS

• WHMCS installation, updates and configuration
• Cron job setup and troubleshooting
• Module configuration — provisioning, DNS, registrars
• Template customization basics
• Database maintenance

DNS and domains

• Zone management — records, propagation, DNSSEC basics
• Cluster DNS configuration
• External DNS integration

Common tasks we handle

• cPanel/WHM update failures — broken updates, stuck processes, version conflicts
• Exim queue flooding — diagnosing source, clearing queue, implementing limits
• Mail delivery issues — bounces, deferrals, authentication failures
• WHMCS cron not running or misconfigured
• PHP version migration — compatibility issues, extension problems
• DNS mistakes — wrong records, propagation delays, zone file corruption
• Account migration — moving accounts between servers with minimal downtime
• Backup restore — full account, individual files, databases, mail
• Malware cleanup — identifying infection vector, removing code, hardening
• ModSecurity false positives — identifying rules, creating exclusions
• High server load — identifying resource-heavy accounts, MySQL bottlenecks
• LiteSpeed cache issues — purging, configuration, .htaccess conflicts

How it works

1. Submit your hosting server issue via contact form
2. We assess the problem and confirm access requirements
3. Work is performed — changes documented and tested
4. You receive a summary with recommendations for prevention

Get started

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Related services

• Email and DNS services — dedicated mail infrastructure support
• Security hardening — server and hosting security
• Migration services — server and platform migrations