output_cleanup

1. Create the service file (cleanup-output-dirs.service):
ini
[Unit]
Description=Delete output_* directories
After=multi-user.target

[Service]
Type=oneshot
User=username
WorkingDirectory=/home/username
ExecStart=/bin/bash -c 'find /home/username -maxdepth 1 -type d -name "output_*" -exec rm -rf {} \; 2>/dev/null'
StandardOutput=journal
StandardError=journal


2. Create the timer file (cleanup-output-dirs.timer):
ini
[Unit]
Description=Run cleanup-output-dirs daily at 1:00 AM
Requires=cleanup-output-dirs.service

[Timer]
OnCalendar=*-*-* 01:00:00
Persistent=true

[Install]
WantedBy=timers.target


3. Installation commands:
bash
# Copy files to systemd directory
sudo cp cleanup-output-dirs.service /etc/systemd/system/
sudo cp cleanup-output-dirs.timer /etc/systemd/system/

# Reload systemd and enable the timer
sudo systemctl daemon-reload
sudo systemctl enable cleanup-output-dirs.timer
sudo systemctl start cleanup-output-dirs.timer

# Check timer status
sudo systemctl status cleanup-output-dirs.timer
sudo systemctl list-timers cleanup-output-dirs.timer


Key differences from cron:
• OnCalendar=*-*-* 01:00:00 = Daily at 1:00 AM
• Persistent=true = Run missed jobs if system was down
• Better logging integration with systemd journal
• More robust service management and monitoring