```
sudo apt install ./libssl1.1_1.1.1n-0+deb10u6_amd64.deb

sudo apt install ./dcism-osc_7.4.0.0_amd64.deb

sudo apt install ./dcism_5.4.0.0-3646.debian11_amd64.deb

sudo systemctl enable dcismeng
sudo systemctl start dcismeng
sudo systemctl status dcismeng
```