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Server Administration
Debian, Ubuntu, Rocky/Alma-style administration, patching, package management, systemd services, users, permissions, and operational support.
Linux Administration
Professional Linux systems administration for business-critical infrastructure.
Canada NexTech supports Linux servers, services, storage, backups, monitoring, security hardening, reverse proxies, databases, and hosted business applications.
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Hardening & Security
SSH hardening, firewall review, access control, update policy, service exposure review, log checks, and practical security baselines.
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Monitoring & Logs
Uptime monitoring, system metrics, service checks, alerting, log review, capacity trends, and incident investigation.
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Backup & Restore
Backup design, restore validation, database dumps, file backups, retention planning, and recovery procedures.
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Web & Reverse Proxy
Apache, Nginx, Caddy, SSL, virtual hosts, reverse proxy routing, headers, and application hosting support.
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Troubleshooting
Performance issues, failed services, storage problems, permission errors, network faults, application crashes, and root-cause analysis.