Update 3-reconfiguring_deploying.md

3-reconfiguring_deploying.md

@@ -132,4 +132,15 @@ When accessing the API from outside Grid'5000, you **MUST** send your Grid'5000
   curl -k -XGET https://localhost:3443/sid/sites/nantes/clusters/econome | jq
   ```
 
+### Submit a Job
+https://api.grid5000.fr/doc/3.0/#tag/job (*needs authentication*)
 
+- submit a simple `sleep` command on a node by default
+```bash
+curl -k -XPOST https://localhost:3443/sid/sites/nantes/jobs -d "command=sleep 30" | jq
+```
+
+- submit a script
+```bash
+curl -k -XPOST https://localhost:3443/sid/sites/nantes/jobs -d "command=~/api_cmd.sh" | jq
+```