---
type: "note"
created: "2024-04-08T22:34:39.830Z"
updated: "2024-04-08T22:34:43.299Z"
---

# crontab

```bash
crontab -l
crontab -r
crontab -e
```

```conf
*/2 * * * * nmap -n -sn -Pn 192.168.31.19 192.168.31.82 -oN /var/www/html/on-results.txt
```