You are given access to a new Linux server with no documentation — how do you understand its purpose?

Q: You are given access to a new Linux server with no documentation — how do you understand its purpose?

> 1. **Services**: `systemctl list-units --type=service --state=running`. 2. **Ports**: `sudo ss -tulnp`. 3. **Processes**: `ps auxf`. 4. **History**: `history`. 5. **Mounts**: `df -h` and `cat /etc/fstab`.

💬Answer

Services: systemctl list-units --type=service --state=running.
Ports: sudo ss -tulnp.
Processes: ps auxf.
History: history.
Mounts: df -h and cat /etc/fstab.

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Apurv Gujjar

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