System and Network Administration
With decades of experience in many areas of Linux and UNIX system administration, we can help with:
- Linux server or virtual server sizing, configuration and deployment, whether on real hardware or in the cloud.
- Mail server (Sendmail, Postfix) and IMAP server (Dovecot, Cyrus, etc) setup and configuration.
- PostgreSQL database sizing, configuration, deployment, and optimization, including slow query analysis and configuration of streaming replication and hot-standby.
- Shell-scripting and automation to reduce system administration overhead.
- Asterisk VoIP PBX setup and management.
- Monitoring and alerting.
- Performance metric gathering, baselining and analysis.
- Firewall setup and configuration.
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