Unix shell scripting
Started: 12/31/2001
Duration: 10000 months
I’m a Unix shell scripting (Bash) specialist with professional-level expertise crafting robust scripts to automate tasks, manage systems, and streamline DevOps workflows.
- POSIX-Compliant Scripting: Write clean, portable Bash scripts conforming to POSIX standards—ensuring compatibility across Linux, macOS, and other UNIX-like systems.
- Automation & Orchestration: Schedule and automate backups, deployments, and system maintenance tasks using
cron,systemd timers, and CI/CD pipelines (Jenkins, GitHub Actions). - Powerful Text Processing: Harness
grep,awk,sed, andcutto parse logs, transform data, and generate reports—turning raw text into actionable insights. - Process & Job Control: Manage background jobs with
&,nohup, andwait; monitor resource usage usingps,top, andhtop; and implement robust error handling for reliable scripts. - Modular & Reusable Functions: Create library-like Bash functions and source external scripts to build modular, maintainable code—facilitating rapid development and easier testing.
- Configuration Management: Integrate shell scripts with Ansible, Puppet, or Chef for environment provisioning and consistent state enforcement.
- Security & Compliance: Enforce input validation, least-privilege execution, and secure file permissions to protect sensitive operations and data.
- Performance Tuning: Profile script execution, optimize loops and external calls, and leverage built-ins to minimize overhead and boost execution speed.
Key Skills: Bash · Shell Scripting · POSIX · Automation · Cron Jobs · AWK · Sed · Grep · CI/CD · DevOps · Process Management · Security
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