System Administration
23 published questions
What you’ll find here
- Short, practical answers with runnable Perl code blocks.
- Sandbox-verified output (proof that the example actually runs).
- Notes on common pitfalls and version differences.
- intermediate • 2025-12-30How to check disk space and send email alert in Perl?
- intermediate • 2025-12-30How to schedule periodic tasks without cron in Perl?
- intermediate • 2025-12-30How to find and replace text in log files using Perl?
- beginner • 2025-12-30How to read system load average in Perl?
- advanced • 2025-12-30How to monitor network interface traffic in Perl?
- beginner • 2025-12-30How to backup files with timestamp in Perl?
- beginner • 2025-12-30How to get list of running processes in Perl?
- intermediate • 2025-12-30How to delete files older than 30 days in Perl?
- intermediate • 2025-12-30How to tail -f a log file in Perl script?
- intermediate • 2025-12-30How to check if a port is open on localhost in Perl?
- intermediate • 2025-12-30How to send system metrics to a log file in Perl?
- intermediate • 2025-12-30How to compress old log files with gzip in Perl?
- advanced • 2025-12-30How to run a Perl script as daemon in background?
- intermediate • 2025-12-30How to get CPU and memory usage of current Perl process?
- intermediate • 2025-12-30How to watch a directory for new files in Perl?
- intermediate • 2025-12-30How to parse /var/log/syslog for errors in Perl?
- intermediate • 2025-12-30How to monitor disk usage and send alert in Perl?
- beginner • 2025-12-30How to change file permissions like chmod in Perl?
- beginner • 2025-12-30How to create directories recursively like mkdir -p in Perl?
- intermediate • 2025-12-30How to rotate log files automatically using Perl?
- beginner • 2025-12-30How to check if a process is running by PID in Perl?
- intermediate • 2025-12-30How to parse Apache access logs and count requests per IP in Perl?
- intermediate • 2025-12-30How to monitor file changes in a directory using Perl?