| Command | Description |
|---|---|
scp /path/to/file user@server:/path/to/destination |
Copy file from local to server. |
df -h |
Check the amount of free space. |
sudo ufw status |
Check the status of the firewall. |
sudo ufw allow from remote_IP_address to any port 3306 |
Allow external IP to access port 3306. |
scp user@remote_host:remote_file local_file |
Download file from remote to local. |
scp local_file user@remote_host:remote_file |
Upload file from local to remote. |
service elasticsearch restart |
Restart the Elasticsearch service. |
sudo -s |
Log in as root. |
cat /proc/<process_id>/maps |
Show the current virtual memory usage of a Linux process. |
ip r |
Display IP of the server. |
lsof -i :9000 |
List the process running on port 9000. |
journalctl -u minio.service -n 100 --no-pager |
List the last 100 logs for a specific service. |
sudo resize2fs /dev/disk/by-id/scsi-0DO_example |
Resize a volume. |
| `ps -ax | grep myprocessname` |
kill -9 PROCESS_ID |
Kill a process by its PID. |